ATE418233T1 - Verfahren zur einbettung von maschinenlesbarem steganographischen kode - Google Patents

Verfahren zur einbettung von maschinenlesbarem steganographischen kode

Info

Publication number
ATE418233T1
ATE418233T1 AT03021208T AT03021208T ATE418233T1 AT E418233 T1 ATE418233 T1 AT E418233T1 AT 03021208 T AT03021208 T AT 03021208T AT 03021208 T AT03021208 T AT 03021208T AT E418233 T1 ATE418233 T1 AT E418233T1
Authority
AT
Austria
Prior art keywords
network
machine readable
authorised
content signal
embedding machine
Prior art date
Application number
AT03021208T
Other languages
English (en)
Inventor
Geoffrey B Rhoads
Original Assignee
Digimarc Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/436,102 external-priority patent/US5748783A/en
Priority claimed from US08/508,083 external-priority patent/US5841978A/en
Priority claimed from US08534005 external-priority patent/US5832119C1/en
Priority claimed from US08/637,531 external-priority patent/US5822436A/en
Application filed by Digimarc Corp filed Critical Digimarc Corp
Application granted granted Critical
Publication of ATE418233T1 publication Critical patent/ATE418233T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/21—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose for multiple purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/309—Photographs
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/955—Retrieval from the web using information identifiers, e.g. uniform resource locators [URL]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06046—Constructional details
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
    • G06K19/14—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by radiation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
    • G06K19/18—Constructional details
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404—Methods for optical code recognition
    • G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
    • G06K7/1417—2D bar codes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404—Methods for optical code recognition
    • G06K7/1439—Methods for optical code recognition including a method step for retrieval of the optical code
    • G06K7/1447—Methods for optical code recognition including a method step for retrieval of the optical code extracting optical codes from image or text carrying said optical code
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/08—Payment architectures
    • G06Q20/12—Payment architectures specially adapted for electronic shopping systems
    • G06Q20/123—Shopping for digital content
    • G06Q20/1235—Shopping for digital content with control of digital rights management [DRM]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
    • G06Q20/341—Active cards, i.e. cards including their own processing means, e.g. including an IC or chip
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
    • G06Q20/401—Transaction verification
    • G06Q20/4014—Identity check for transactions
    • G06Q20/40145—Biometric identity checks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • G06T1/0064—Geometric transfor invariant watermarking, e.g. affine transform invariant
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/22—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder
    • G07C9/25—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition
    • G07C9/253—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition visually
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/003—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using security elements
    • G07D7/0034—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using security elements using watermarks
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/004—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using digital security elements, e.g. information coded on a magnetic thread or strip
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/16—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for devices exhibiting advertisements, announcements, pictures or the like
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/26—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for printing, stamping, franking, typing or teleprinting apparatus
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/086—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means by passive credit-cards adapted therefor, e.g. constructive particularities to avoid counterfeiting, e.g. by inclusion of a physical or chemical security-layer
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
    • G07F7/1008—Active credit-cards provided with means to personalise their use, e.g. with PIN-introduction/comparison system
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • G11B20/00891—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm embedded in audio data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00005—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for relating to image data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00037—Detecting, i.e. determining the occurrence of a predetermined state
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00071—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for characterised by the action taken
    • H04N1/00074—Indicating or reporting
    • H04N1/00079—Indicating or reporting remotely
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00838—Preventing unauthorised reproduction
    • H04N1/0084—Determining the necessity for prevention
    • H04N1/00843—Determining the necessity for prevention based on recognising a copy prohibited original, e.g. a banknote
    • H04N1/00848—Determining the necessity for prevention based on recognising a copy prohibited original, e.g. a banknote by detecting a particular original
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32154—Transform domain methods
    • H04N1/3216—Transform domain methods using Fourier transforms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32203—Spatial or amplitude domain methods
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32203—Spatial or amplitude domain methods
    • H04N1/32208—Spatial or amplitude domain methods involving changing the magnitude of selected pixels, e.g. overlay of information or super-imposition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32203—Spatial or amplitude domain methods
    • H04N1/32251—Spatial or amplitude domain methods in multilevel data, e.g. greyscale or continuous tone data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32288—Multiple embedding, e.g. cocktail embedding, or redundant embedding, e.g. repeating the additional information at a plurality of locations in the image
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32352—Controlling detectability or arrangements to facilitate detection or retrieval of the embedded information, e.g. using markers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K2019/06215—Aspects not covered by other subgroups
    • G06K2019/06253—Aspects not covered by other subgroups for a specific application
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0051—Embedding of the watermark in the spatial domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32106—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title separate from the image data, e.g. in a different computer file
    • H04N1/32122—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title separate from the image data, e.g. in a different computer file in a separate device, e.g. in a memory or on a display separate from image data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3204—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a user, sender, addressee, machine or electronic recording medium
    • H04N2201/3205—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a user, sender, addressee, machine or electronic recording medium of identification information, e.g. name or ID code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
    • H04N2201/3226—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of identification information or the like, e.g. ID code, index, title, part of an image, reduced-size image
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
    • H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
    • H04N2201/3246—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of data relating to permitted access or usage, e.g. level of access or usage parameters for digital rights management [DRM] related to still images
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3269—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs
    • H04N2201/327—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs which are undetectable to the naked eye, e.g. embedded codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3271—Printing or stamping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3274—Storage or retrieval of prestored additional information

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • Health & Medical Sciences (AREA)
  • Accounting & Taxation (AREA)
  • General Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Biomedical Technology (AREA)
  • Electromagnetism (AREA)
  • Artificial Intelligence (AREA)
  • Human Computer Interaction (AREA)
  • Computer Hardware Design (AREA)
  • Technology Law (AREA)
  • Data Mining & Analysis (AREA)
  • Finance (AREA)
  • Toxicology (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Stereophonic System (AREA)
  • Communication Control (AREA)
  • Storage Device Security (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
AT03021208T 1995-05-08 1996-05-07 Verfahren zur einbettung von maschinenlesbarem steganographischen kode ATE418233T1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US08/436,102 US5748783A (en) 1995-05-08 1995-05-08 Method and apparatus for robust information coding
US08/508,083 US5841978A (en) 1993-11-18 1995-07-27 Network linking method using steganographically embedded data objects
US51299395A 1995-08-09 1995-08-09
US08534005 US5832119C1 (en) 1993-11-18 1995-09-25 Methods for controlling systems using control signals embedded in empirical data
US08/637,531 US5822436A (en) 1996-04-25 1996-04-25 Photographic products and methods employing embedded information

Publications (1)

Publication Number Publication Date
ATE418233T1 true ATE418233T1 (de) 2009-01-15

Family

ID=27541602

Family Applications (5)

Application Number Title Priority Date Filing Date
AT03021208T ATE418233T1 (de) 1995-05-08 1996-05-07 Verfahren zur einbettung von maschinenlesbarem steganographischen kode
AT01107905T ATE261225T1 (de) 1995-05-08 1996-05-07 Gebrauch im transformationsbereich steganographisch eingebetteter kalibrierungsdaten zur detektion von bildverzerrungen
AT00104810T ATE245328T1 (de) 1995-05-08 1996-05-07 Fälschungssichere dokumente mit bildern, die geheime daten übertragen, sowie verfahren dafür
AT00116604T ATE230539T1 (de) 1995-05-08 1996-05-07 Verbindungsherstellung zwischen computern beruhend auf der dekodierung einer steganographisch in einem audioobjekt eingebetteten adresse
AT96917808T ATE216546T1 (de) 1995-05-08 1996-05-07 Steganographisches einbetten von zusatzdaten und kalibrierdaten in bilddaten

Family Applications After (4)

Application Number Title Priority Date Filing Date
AT01107905T ATE261225T1 (de) 1995-05-08 1996-05-07 Gebrauch im transformationsbereich steganographisch eingebetteter kalibrierungsdaten zur detektion von bildverzerrungen
AT00104810T ATE245328T1 (de) 1995-05-08 1996-05-07 Fälschungssichere dokumente mit bildern, die geheime daten übertragen, sowie verfahren dafür
AT00116604T ATE230539T1 (de) 1995-05-08 1996-05-07 Verbindungsherstellung zwischen computern beruhend auf der dekodierung einer steganographisch in einem audioobjekt eingebetteten adresse
AT96917808T ATE216546T1 (de) 1995-05-08 1996-05-07 Steganographisches einbetten von zusatzdaten und kalibrierdaten in bilddaten

Country Status (7)

Country Link
EP (6) EP1049320B1 (de)
JP (1) JP2002504272A (de)
AT (5) ATE418233T1 (de)
AU (1) AU6022396A (de)
CA (1) CA2218957C (de)
DE (5) DE69620751T2 (de)
WO (1) WO1996036163A2 (de)

Families Citing this family (166)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7116781B2 (en) 1993-11-18 2006-10-03 Digimarc Corporation Counteracting geometric distortions in watermarking
US5841978A (en) 1993-11-18 1998-11-24 Digimarc Corporation Network linking method using steganographically embedded data objects
US6345104B1 (en) * 1994-03-17 2002-02-05 Digimarc Corporation Digital watermarks and methods for security documents
US6449377B1 (en) 1995-05-08 2002-09-10 Digimarc Corporation Methods and systems for watermark processing of line art images
US5748763A (en) 1993-11-18 1998-05-05 Digimarc Corporation Image steganography system featuring perceptually adaptive and globally scalable signal embedding
US7044395B1 (en) 1993-11-18 2006-05-16 Digimarc Corporation Embedding and reading imperceptible codes on objects
US6122403A (en) * 1995-07-27 2000-09-19 Digimarc Corporation Computer system linked by using information in data objects
US6882738B2 (en) 1994-03-17 2005-04-19 Digimarc Corporation Methods and tangible objects employing textured machine readable data
US7286684B2 (en) 1994-03-17 2007-10-23 Digimarc Corporation Secure document design carrying auxiliary machine readable information
US7039214B2 (en) 1999-11-05 2006-05-02 Digimarc Corporation Embedding watermark components during separate printing stages
US6869023B2 (en) 2002-02-12 2005-03-22 Digimarc Corporation Linking documents through digital watermarking
US6522770B1 (en) 1999-05-19 2003-02-18 Digimarc Corporation Management of documents and other objects using optical devices
US6560349B1 (en) 1994-10-21 2003-05-06 Digimarc Corporation Audio monitoring using steganographic information
US7805500B2 (en) 1995-05-08 2010-09-28 Digimarc Corporation Network linking methods and apparatus
US7224819B2 (en) 1995-05-08 2007-05-29 Digimarc Corporation Integrating digital watermarks in multimedia content
US6760463B2 (en) 1995-05-08 2004-07-06 Digimarc Corporation Watermarking methods and media
US6763123B2 (en) * 1995-05-08 2004-07-13 Digimarc Corporation Detection of out-of-phase low visibility watermarks
US6738495B2 (en) 1995-05-08 2004-05-18 Digimarc Corporation Watermarking enhanced to withstand anticipated corruptions
US7555139B2 (en) 1995-05-08 2009-06-30 Digimarc Corporation Secure documents with hidden signals, and related methods and systems
US20030133592A1 (en) 1996-05-07 2003-07-17 Rhoads Geoffrey B. Content objects with computer instructions steganographically encoded therein, and associated methods
US7171018B2 (en) 1995-07-27 2007-01-30 Digimarc Corporation Portable devices and methods employing digital watermarking
US7562392B1 (en) 1999-05-19 2009-07-14 Digimarc Corporation Methods of interacting with audio and ambient music
US6505160B1 (en) 1995-07-27 2003-01-07 Digimarc Corporation Connected audio and other media objects
US6408331B1 (en) 1995-07-27 2002-06-18 Digimarc Corporation Computer linking methods using encoded graphics
US6788800B1 (en) * 2000-07-25 2004-09-07 Digimarc Corporation Authenticating objects using embedded data
US6311214B1 (en) 1995-07-27 2001-10-30 Digimarc Corporation Linking of computers based on optical sensing of digital data
US7051086B2 (en) 1995-07-27 2006-05-23 Digimarc Corporation Method of linking on-line data to printed documents
US6965682B1 (en) 1999-05-19 2005-11-15 Digimarc Corp Data transmission by watermark proxy
US8429205B2 (en) 1995-07-27 2013-04-23 Digimarc Corporation Associating data with media signals in media signal systems through auxiliary data steganographically embedded in the media signals
US6411725B1 (en) 1995-07-27 2002-06-25 Digimarc Corporation Watermark enabled video objects
US7006661B2 (en) 1995-07-27 2006-02-28 Digimarc Corp Digital watermarking systems and methods
US5689587A (en) * 1996-02-09 1997-11-18 Massachusetts Institute Of Technology Method and apparatus for data hiding in images
US7505605B2 (en) 1996-04-25 2009-03-17 Digimarc Corporation Portable devices and methods employing digital watermarking
US6229924B1 (en) 1996-05-16 2001-05-08 Digimarc Corporation Method and apparatus for watermarking video images
US7930546B2 (en) 1996-05-16 2011-04-19 Digimarc Corporation Methods, systems, and sub-combinations useful in media identification
US5761071A (en) * 1996-07-27 1998-06-02 Lexitech, Inc. Browser kiosk system
US6078848A (en) * 1996-07-27 2000-06-20 Lexitech, Inc. Browser kiosk system
US5915027A (en) * 1996-11-05 1999-06-22 Nec Research Institute Digital watermarking
US6912652B2 (en) 1996-11-08 2005-06-28 Monolith Co., Ltd. Method and apparatus for imprinting ID information into a digital content and for reading out the same
JPH10191036A (ja) * 1996-11-08 1998-07-21 Monorisu:Kk デジタルコンテンツに対するｉｄの刷込および読出方法
EP0851397B1 (de) * 1996-11-28 2008-10-01 Nec Corporation Kartenartiges Registriermittel, Beglaubigungsverfahren und -vorrichtung für das Registriermittel, System zum Erzeugen eines solchen Registriermittels, Chiffriersystem und Dekodierer dazu, und Registriermittel
EP1381217A1 (de) * 1997-01-17 2004-01-14 Nec Corporation System zur Verhinderung des illegalen Benutzen von Bilddaten
US6233684B1 (en) 1997-02-28 2001-05-15 Contenaguard Holdings, Inc. System for controlling the distribution and use of rendered digital works through watermaking
US6192138B1 (en) 1997-05-08 2001-02-20 Kabushiki Kaisha Toshiba Apparatus and method for embedding/unembedding supplemental information
WO1998054897A2 (en) * 1997-05-29 1998-12-03 Koninklijke Philips Electronics N.V. Method and arrangement for detecting a watermark
DE69722924T2 (de) * 1997-07-22 2004-05-19 Sony International (Europe) Gmbh Videogerät mit automatischem Internetzugang
EP0901276B1 (de) 1997-09-02 2008-11-05 Hitachi, Ltd. Datenübertragungsverfahren für eingebettete Daten, Vorrichtungen zur Übertragung und Wiedergabe der Daten und Aufzeichnungsmedium hierzu
DE69822950T2 (de) 1997-09-03 2009-09-24 Hitachi, Ltd. Verfahren und System zum Einbetten von Information in Daten
JP3902863B2 (ja) 1997-09-03 2007-04-11 株式会社日立製作所 データ重畳方法とデータ再生方法、及び、情報埋め込み方法と情報読みだし方法
US6108434A (en) * 1997-09-12 2000-08-22 Signafy, Inc. Counteracting geometric distortions for DCT based watermarking
SG70120A1 (en) * 1997-09-17 2000-01-25 Hitachi Ltd Recording/reproducing method and apparatus processing apparatus and recording medium for video signal having copy control information
EP0905967A1 (de) * 1997-09-26 1999-03-31 Digital Copyright Technologies AG Verfahren zur Erzeugung von digitalen Wasserzeichen und zum Austausch von digitale Wasserzeichen enthaltenden Daten
US6145081A (en) * 1998-02-02 2000-11-07 Verance Corporation Method and apparatus for preventing removal of embedded information in cover signals
JP3570213B2 (ja) 1998-03-27 2004-09-29 株式会社日立製作所 電子透かし画像処理方法
US6212285B1 (en) 1998-04-15 2001-04-03 Massachusetts Institute Of Technology Method and apparatus for multi-bit zoned data hiding in printed images
US6411392B1 (en) 1998-04-15 2002-06-25 Massachusetts Institute Of Technology Method and apparatus for data hiding in printed images
US6782115B2 (en) 1998-04-16 2004-08-24 Digimarc Corporation Watermark holograms
US6965873B1 (en) 1998-04-16 2005-11-15 Digimarc Corporation Electronic commerce using optical input device
US7689532B1 (en) 2000-07-20 2010-03-30 Digimarc Corporation Using embedded data with file sharing
US6608911B2 (en) 2000-12-21 2003-08-19 Digimarc Corporation Digitally watermaking holograms for use with smart cards
US7602940B2 (en) 1998-04-16 2009-10-13 Digimarc Corporation Steganographic data hiding using a device clock
US6154571A (en) * 1998-06-24 2000-11-28 Nec Research Institute, Inc. Robust digital watermarking
US6978036B2 (en) 1998-07-31 2005-12-20 Digimarc Corporation Tamper-resistant authentication techniques for identification documents
US8332478B2 (en) 1998-10-01 2012-12-11 Digimarc Corporation Context sensitive connected content
EP1484710B1 (de) * 1998-11-19 2008-01-09 Digimarc Corporation Ausweisdokument mit Photo
AU1624800A (en) 1998-11-19 2000-06-13 Digimarc Corporation Printing and validation of self validating security documents
EP1142190A4 (de) * 1998-12-18 2005-05-25 Digimarc Corp Vorrichtung zur abwehr von nachahmungen
EP2219152B1 (de) 1999-01-25 2018-07-04 Nippon Telegraph And Telephone Corporation Digitales Wasserzeichen-Einbettungsverfahren und Wasserzeichen-Erkennungsverfahren
AU4468500A (en) * 1999-04-17 2000-11-02 Pulsent Corporation Method and apparatus for efficient video processing
EP1923830A3 (de) * 1999-05-19 2008-08-27 Digimarc Corporation Verfahren und System zur Steuerung von Computern oder zur Verknüpfung mit Internetressourcen aus physischen und elektronischen Elementen
US7406214B2 (en) 1999-05-19 2008-07-29 Digimarc Corporation Methods and devices employing optical sensors and/or steganography
US7164413B2 (en) 1999-05-19 2007-01-16 Digimarc Corporation Enhanced input peripheral
US20020032734A1 (en) 2000-07-26 2002-03-14 Rhoads Geoffrey B. Collateral data combined with user characteristics to select web site
KR101145534B1 (ko) * 1999-05-19 2012-06-01 디지맥 코포레이션 컴퓨터들을 제어하거나 물리적 및 전자적 객체들로부터 인터넷 리소스들에 링크하기 위한 방법들 및 시스템들
US8752118B1 (en) 1999-05-19 2014-06-10 Digimarc Corporation Audio and video content-based methods
US7111170B2 (en) 1999-05-19 2006-09-19 Digimarc Corporation Distributed system for responding to watermarked documents
US7760905B2 (en) 1999-06-29 2010-07-20 Digimarc Corporation Wireless mobile phone with content processing
US7565294B2 (en) 1999-05-19 2009-07-21 Digimarc Corporation Methods and systems employing digital content
US7188186B1 (en) * 1999-09-03 2007-03-06 Meyer Thomas W Process of and system for seamlessly embedding executable program code into media file formats such as MP3 and the like for execution by digital media player and viewing systems
US6970850B1 (en) 1999-10-27 2005-11-29 Automated Business Companies Proximity service provider system
US6834308B1 (en) 2000-02-17 2004-12-21 Audible Magic Corporation Method and apparatus for identifying media content presented on a media playing device
US6687384B1 (en) * 2000-03-27 2004-02-03 Sarnoff Corporation Method and apparatus for embedding data in encoded digital bitstreams
US7738673B2 (en) 2000-04-19 2010-06-15 Digimarc Corporation Low visible digital watermarks
US7305104B2 (en) 2000-04-21 2007-12-04 Digimarc Corporation Authentication of identification documents using digital watermarks
US20010055391A1 (en) * 2000-04-27 2001-12-27 Jacobs Paul E. System and method for extracting, decoding, and utilizing hidden data embedded in audio signals
US7111168B2 (en) 2000-05-01 2006-09-19 Digimarc Corporation Digital watermarking systems
US7346184B1 (en) 2000-05-02 2008-03-18 Digimarc Corporation Processing methods combining multiple frames of image data
JP4554771B2 (ja) 2000-06-20 2010-09-29 パナソニック株式会社 正当性認証システム、個人証発行システム及び個人証
WO2002009019A2 (en) * 2000-07-25 2002-01-31 Digimarc Corporation Authentication watermarks for printed objects and related applications
JP2002077572A (ja) * 2000-08-29 2002-03-15 Nec Corp ディジタルコンテンツ生成・再生装置及び広告情報配信システム
ES2356598T3 (es) 2000-09-20 2011-04-11 Alpvision Sa Proceso destinado a prevenir la falsificación o la alteración de una superficie impresa o grabada.
JP2004512765A (ja) * 2000-10-20 2004-04-22 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ レンダリング・デバイス及びシステム
KR20020068381A (ko) * 2000-10-20 2002-08-27 코닌클리케 필립스 일렉트로닉스 엔.브이. 비중개를 가능하게 하는 방법 및 장치와, 이를 이용하는수신기
AUPR105000A0 (en) 2000-10-27 2000-11-23 Canon Kabushiki Kaisha Method for generating and detecting marks
US7562012B1 (en) 2000-11-03 2009-07-14 Audible Magic Corporation Method and apparatus for creating a unique audio signature
US6642966B1 (en) * 2000-11-06 2003-11-04 Tektronix, Inc. Subliminally embedded keys in video for synchronization
UY26500A1 (es) * 2000-12-22 2001-01-31 Carlos Manuel Lopez Vazquez Método para insertar datos ocultos en archivos digitales con poligonales y procedimientos de detección
US7363278B2 (en) 2001-04-05 2008-04-22 Audible Magic Corporation Copyright detection and protection system and method
US20020176116A1 (en) * 2001-04-12 2002-11-28 Rhoads Geoffrey B. Digital watermarks as a communication channel in documents for controlling document processing devices
US7529659B2 (en) 2005-09-28 2009-05-05 Audible Magic Corporation Method and apparatus for identifying an unknown work
US8972481B2 (en) 2001-07-20 2015-03-03 Audible Magic, Inc. Playlist generation method and apparatus
US7877438B2 (en) 2001-07-20 2011-01-25 Audible Magic Corporation Method and apparatus for identifying new media content
US20030070075A1 (en) 2001-10-04 2003-04-10 Frederic Deguillaume Secure hybrid robust watermarking resistant against tampering and copy-attack
GB2383220B (en) 2001-12-13 2005-11-30 Sony Uk Ltd Data processing apparatus and method
JP3619195B2 (ja) * 2002-01-15 2005-02-09 キヤノン株式会社 画像処理装置、画像処理方法、コンピュータプログラムおよびコンピュータ読取可能な記憶媒体
US7567721B2 (en) 2002-01-22 2009-07-28 Digimarc Corporation Digital watermarking of low bit rate video
EP1379085A1 (de) * 2002-07-04 2004-01-07 Deutsche Thomson-Brandt Gmbh Verfahren und Anlage zum Verknüpfen von Multimediadaten
US7577841B2 (en) 2002-08-15 2009-08-18 Digimarc Corporation Watermark placement in watermarking of time varying media signals
US8959016B2 (en) 2002-09-27 2015-02-17 The Nielsen Company (Us), Llc Activating functions in processing devices using start codes embedded in audio
US9711153B2 (en) 2002-09-27 2017-07-18 The Nielsen Company (Us), Llc Activating functions in processing devices using encoded audio and detecting audio signatures
US8332326B2 (en) 2003-02-01 2012-12-11 Audible Magic Corporation Method and apparatus to identify a work received by a processing system
DE602004019478D1 (de) 2003-08-21 2009-04-02 Ricoh Kk Verfahren, Programm und Vorrichtung zur Verhinderung der Reproduktion von kopiergeschützten Dokumenten, und Medium zum Speichern des Programms
DE102004022976B4 (de) * 2004-05-10 2010-09-16 Clemens Brüntrup Offset-Reproduktion GmbH Steganographisches Druckverfahren und Verifikationssystem
US9058388B2 (en) 2004-06-22 2015-06-16 Digimarc Corporation Internet and database searching with handheld devices
US8130746B2 (en) 2004-07-28 2012-03-06 Audible Magic Corporation System for distributing decoy content in a peer to peer network
US8006314B2 (en) 2007-07-27 2011-08-23 Audible Magic Corporation System for identifying content of digital data
US9117268B2 (en) 2008-12-17 2015-08-25 Digimarc Corporation Out of phase digital watermarking in two chrominance directions
US8199969B2 (en) 2008-12-17 2012-06-12 Digimarc Corporation Out of phase digital watermarking in two chrominance directions
US8199651B1 (en) 2009-03-16 2012-06-12 Audible Magic Corporation Method and system for modifying communication flows at a port level
RU2431192C1 (ru) * 2010-01-12 2011-10-10 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." Способ внедрения скрытого цифрового сообщения в печатаемые документы и извлечения сообщения
JP5639397B2 (ja) * 2010-07-13 2014-12-10 キャピーインク 秘密情報出力装置、秘密情報出力方法、およびプログラム
TWI557670B (zh) 2010-09-14 2016-11-11 齊營股份有限公司 Illustrated systems and computer program products related to financial products
WO2013080224A2 (en) 2011-12-01 2013-06-06 Integrita Computing Systems India Private Limited A method of generating secure tokens and transmission based on (trng) generated tokens and split into shares and the system thereof
RU2473965C1 (ru) * 2011-12-06 2013-01-27 Закрытое акционерное общество "Формс технолоджи" Способ защиты объекта от несанкционированного использования и подделки и полученное этим способом устройство
PT2858269T (pt) 2012-05-24 2018-05-28 Panasonic Ip Corp America Método de comunicação de informações
US9269034B2 (en) 2012-08-21 2016-02-23 Empire Technology Development Llc Orthogonal encoding for tags
US9081778B2 (en) 2012-09-25 2015-07-14 Audible Magic Corporation Using digital fingerprints to associate data with a work
US8988574B2 (en) 2012-12-27 2015-03-24 Panasonic Intellectual Property Corporation Of America Information communication method for obtaining information using bright line image
US9608727B2 (en) 2012-12-27 2017-03-28 Panasonic Intellectual Property Corporation Of America Switched pixel visible light transmitting method, apparatus and program
US9088360B2 (en) 2012-12-27 2015-07-21 Panasonic Intellectual Property Corporation Of America Information communication method
US10951310B2 (en) 2012-12-27 2021-03-16 Panasonic Intellectual Property Corporation Of America Communication method, communication device, and transmitter
US9087349B2 (en) 2012-12-27 2015-07-21 Panasonic Intellectual Property Corporation Of America Information communication method
US8922666B2 (en) 2012-12-27 2014-12-30 Panasonic Intellectual Property Corporation Of America Information communication method
US9262954B2 (en) 2012-12-27 2016-02-16 Panasonic Intellectual Property Corporation Of America Visible light communication signal display method and apparatus
US9646568B2 (en) 2012-12-27 2017-05-09 Panasonic Intellectual Property Corporation Of America Display method
US10303945B2 (en) 2012-12-27 2019-05-28 Panasonic Intellectual Property Corporation Of America Display method and display apparatus
US9560284B2 (en) 2012-12-27 2017-01-31 Panasonic Intellectual Property Corporation Of America Information communication method for obtaining information specified by striped pattern of bright lines
US9085927B2 (en) 2012-12-27 2015-07-21 Panasonic Intellectual Property Corporation Of America Information communication method
MX351882B (es) 2012-12-27 2017-11-01 Panasonic Ip Corp America Método de comunicación de información.
US8913144B2 (en) 2012-12-27 2014-12-16 Panasonic Intellectual Property Corporation Of America Information communication method
US10530486B2 (en) 2012-12-27 2020-01-07 Panasonic Intellectual Property Corporation Of America Transmitting method, transmitting apparatus, and program
US9608725B2 (en) 2012-12-27 2017-03-28 Panasonic Intellectual Property Corporation Of America Information processing program, reception program, and information processing apparatus
US10523876B2 (en) 2012-12-27 2019-12-31 Panasonic Intellectual Property Corporation Of America Information communication method
WO2014103157A1 (ja) 2012-12-27 2014-07-03 パナソニック株式会社 映像表示方法
RU2523174C1 (ru) * 2013-02-13 2014-07-20 Михаил Юрьевич Веселов Способ защиты информации на материальном (бумажном) носителе
CN103434299B (zh) * 2013-09-01 2016-04-13 章玺 一种物流地址信息单据
US9137666B1 (en) 2013-09-13 2015-09-15 Sprint Communications Company L.P. Mobile security using graphical images
RU2568259C1 (ru) * 2014-04-29 2015-11-20 Сергей Сергеевич Пикин Способ маркировки и идентификации объектов с уникальной структурой поверхности
US9589124B2 (en) 2014-05-29 2017-03-07 Comcast Cable Communications, Llc Steganographic access controls
CN106803091B (zh) * 2015-11-25 2020-04-28 深圳怡化电脑股份有限公司 一种纸币币值的识别方法和系统
US10601443B1 (en) 2016-08-24 2020-03-24 Arrowhead Center, Inc. Protocol for lightweight and provable secure communication for constrained devices
CN106780278B (zh) * 2016-11-25 2020-08-04 陕西师范大学 一种结合零水印和块分类融合的自恢复图像加密和解密方法
CN107564536A (zh) * 2017-09-06 2018-01-09 武汉大学 基于基音延迟子帧组组内差值Markov转移概率特征的AMR基音延迟隐写分析方法
DE102017128258A1 (de) 2017-09-14 2019-03-14 Schattdecor Ag Verfahren zum Herstellen und Schützen gegen unzulässige Vervielfältigung von Dekorpapier oder -folien
CN107957872A (zh) * 2017-10-11 2018-04-24 中国互联网络信息中心 一种完整网站源码获取方法及非法网站检测方法、系统
CN111163944A (zh) 2017-10-11 2020-05-15 爱克发有限公司 用于制造装饰层合板的喷墨印刷方法
US10902543B2 (en) 2018-03-15 2021-01-26 Tata Consultancy Services Limited Neural network based insertion of watermark into images and tampering detection thereof
CN110060567A (zh) * 2019-03-11 2019-07-26 王娅雯 一种随机结构纹理防伪方法
DE102019106799A1 (de) * 2019-03-18 2020-09-24 Homag Gmbh Kennzeichnung eines Werkstücks
US11323489B1 (en) 2019-11-09 2022-05-03 Arrowhead Center, Inc. Scalable auditability of monitoring process using public ledgers
CN111986180B (zh) * 2020-08-21 2021-07-06 中国科学技术大学 基于多相关帧注意力机制的人脸伪造视频检测方法
AT524024B1 (de) * 2020-09-14 2022-02-15 Penguincode Kg Verfahren zum Übertragen von Daten
US11798117B2 (en) * 2021-06-16 2023-10-24 Bank Of America Corporation Systems and methods for intelligent steganographic protection
CN113535553B (zh) * 2021-06-30 2023-02-28 上海联影医疗科技股份有限公司 参数校验方法、计算机设备和存储介质
CN115348360B (zh) * 2022-08-11 2023-11-07 国家电网有限公司大数据中心 一种基于gan的自适应嵌入数字标签信息隐藏方法
US11961263B1 (en) * 2023-09-16 2024-04-16 SiliconeSignal Technologies Zero-vision camera system

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3809806A (en) * 1972-10-18 1974-05-07 Columbia Broadcasting Syst Inc Banding correction system for film recording apparatus
US3977785A (en) * 1975-01-06 1976-08-31 Xerox Corporation Method and apparatus for inhibiting the operation of a copying machine
US4723284A (en) * 1983-02-14 1988-02-02 Prime Computer, Inc. Authentication system
US5109417A (en) * 1989-01-27 1992-04-28 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
US4972476A (en) * 1989-05-11 1990-11-20 Nathans Robert L Counterfeit proof ID card having a scrambled facial image
US5337361C1 (en) * 1990-01-05 2001-05-15 Symbol Technologies Inc Record with encoded data
US5056139A (en) * 1990-05-22 1991-10-08 Texas Instruments Incorporated Methods and apparatus for electronically limiting broadcast communication
CA2036205C (en) * 1990-06-01 1996-11-19 Russell J. Welsh Program monitoring unit
US5457540A (en) * 1992-01-06 1995-10-10 Canon Kabushiki Kaisha Image processing method and apparatus in which identification information is added based on image density
US5495581A (en) * 1992-02-25 1996-02-27 Tsai; Irving Method and apparatus for linking a document with associated reference information using pattern matching
US5284364A (en) * 1992-06-10 1994-02-08 Anvik Corporation Increased-security identification card system
US5721788A (en) * 1992-07-31 1998-02-24 Corbis Corporation Method and system for digital image signatures
DE69331041T2 (de) * 1993-01-01 2002-06-06 Canon Kk Bildverarbeitungsvorrichtung und -verfahren sowie Bildlesevorrichtung
US5384846A (en) * 1993-04-26 1995-01-24 Pitney Bowes Inc. System and apparatus for controlled production of a secure identification card
US5652626A (en) * 1993-09-03 1997-07-29 Kabushiki Kaisha Toshiba Image processing apparatus using pattern generating circuits to process a color image
AU7966594A (en) * 1993-10-12 1995-05-04 Intel Corporation Method and system for multicasting formatted data on a computer network
CA2129075C (en) * 1993-10-18 1999-04-20 Joseph J. Daniele Electronic copyright royalty accounting system using glyphs
GB9502274D0 (en) * 1995-02-06 1995-03-29 Central Research Lab Ltd Method and apparatus for coding information
US20020191812A1 (en) * 2001-04-24 2002-12-19 Nam-Deuk Kim Object edge watermarking
US7068809B2 (en) * 2001-08-27 2006-06-27 Digimarc Corporation Segmentation in digital watermarking
US7190805B2 (en) * 2002-04-30 2007-03-13 Hewlett-Packard Development Company, L.P. Method of and system for edge watermarking of an image

Also Published As

Publication number Publication date
WO1996036163A3 (en) 1997-01-16
ATE245328T1 (de) 2003-08-15
EP2040453A2 (de) 2009-03-25
ATE230539T1 (de) 2003-01-15
DE69620751D1 (de) 2002-05-23
JP2002504272A (ja) 2002-02-05
EP1372334B1 (de) 2008-12-17
EP1003324B1 (de) 2003-07-16
DE69629134T2 (de) 2004-04-15
HK1030122A1 (en) 2001-04-20
DE69629134D1 (de) 2003-08-21
CA2218957A1 (en) 1996-11-14
EP1003324A2 (de) 2000-05-24
EP0824821A2 (de) 1998-02-25
DE69620751T2 (de) 2002-10-31
DE69625626T2 (de) 2003-10-16
EP0824821B1 (de) 2002-04-17
EP1049320A8 (de) 2001-05-02
ATE216546T1 (de) 2002-05-15
EP1372334A3 (de) 2004-03-31
DE69625626D1 (de) 2003-02-06
DE69637782D1 (de) 2009-01-29
EP1137251B1 (de) 2004-03-03
EP1003324A3 (de) 2000-05-31
DE69631806D1 (de) 2004-04-08
CA2218957C (en) 2005-01-25
EP1137251A3 (de) 2002-03-06
EP1049320A1 (de) 2000-11-02
DE69631806T2 (de) 2005-02-03
ATE261225T1 (de) 2004-03-15
EP1372334A2 (de) 2003-12-17
WO1996036163A2 (en) 1996-11-14
EP1049320B1 (de) 2003-01-02
EP1137251A2 (de) 2001-09-26
EP2040453A3 (de) 2009-04-01
AU6022396A (en) 1996-11-29

Similar Documents

Publication Publication Date Title
DE69637782D1 (de) Verfahren zur Einbettung von maschinenlesbarem steganographischen Kode
DE69807807D1 (de) Verfahren und vorrichtung zur übertragung von inhaltsinformation und darauf bezogener zusatzinformation
SE9701547D0 (sv) Apparatus and method for recognising and determining the positon of a part of an animal
SE9701231D0 (sv) Apparatus and method for recognising and determining the position of part of an animal
CA2118203A1 (en) Method and apparatus for linking a document with associated reference information using pattern matching
CA2228948A1 (en) Pattern recognition
ATE136818T1 (de) Verfahren und vorrichtung zum sortieren von abfallgemischen
DE59810071D1 (de) Vorrichtung und Verfahren zur berührungslosen Erkennung von Bearbeitungsgrenzen oder entsprechenden Leitgrössen
DE69818210D1 (de) Vorrichtung und Verfahren zur Erzeugung von Ton und Bild auf Basis von einer Aufführungsdatei.
ATE18953T1 (de) Verfahren zur identifizierung von banknoten.
GB2208022B (en) Voice interval detection system
DE69535160D1 (de) Vorrichtung und verfahren zur rauschvorhersagenden maximal-wahrscheinlichkeitsdetektion
ATE278993T1 (de) Verfahren und vorrichtung zur bildverarbeitung
DE58906811D1 (de) Verfahren zur Erzeugung eines amplitudenmodulierten ISB-Sendesignals sowie Vorrichtung zur Durchführung des Verfahrens.
ATE368256T1 (de) Verfahren und vorrichtung zur feststellung einer prozessorenbelastung
DE59607184D1 (de) Kanalisationsanlage mit elektronischem marker
ATE469412T1 (de) System und verfahren zur klassifierung von fahrzeugen
ES2155183T3 (es) Mina de ejercicio, dispositivo de programacion y dispositivo de simulacion que emplea dicha mina.
DE502004003659D1 (de) Verfahren und Vorrichtung zur Verbesserung der Erkennung und/oder Wiedererkennung von Objekten in der Bildverarbeitung
DE69942656D1 (de) Datenverarbeitungsanlage und -verfahren
DE60017088D1 (de) System und verfahren zur überprüfung von fingerabdrücken
DE59800647D1 (de) Vorrichtung zur Erzeugung oder Weiterverarbeitung von Faserband
ATE409929T1 (de) Vorrichtung zum zählen von dokumenten
DE69602147D1 (de) Verfahren zur Reed-Solomon Kodierung eines Identifizierungsfeldes unter Verwendung von vier-Bit Wörtern, und Vorrichtung dazu
DE50004617D1 (de) Verfahren und Vorrichtung zur Erkennung der räumlichen Konfiguration von Münzen

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties