FR2419630A1 - Procede et appareil de traitement de signaux video suivant une fonction programmable de transfert - Google Patents

Procede et appareil de traitement de signaux video suivant une fonction programmable de transfert

Info

Publication number
FR2419630A1
FR2419630A1 FR7905764A FR7905764A FR2419630A1 FR 2419630 A1 FR2419630 A1 FR 2419630A1 FR 7905764 A FR7905764 A FR 7905764A FR 7905764 A FR7905764 A FR 7905764A FR 2419630 A1 FR2419630 A1 FR 2419630A1
Authority
FR
France
Prior art keywords
memory
transfer function
video signals
processing video
signals following
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7905764A
Other languages
English (en)
Other versions
FR2419630B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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
Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of FR2419630A1 publication Critical patent/FR2419630A1/fr
Application granted granted Critical
Publication of FR2419630B1 publication Critical patent/FR2419630B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/295—Means for transforming co-ordinates or for evaluating data, e.g. using computers
    • G01S7/298—Scan converters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52023—Details of receivers
    • G01S7/52025—Details of receivers for pulse systems
    • G01S7/52026—Extracting wanted echo signals
    • G01S7/52028—Extracting wanted echo signals using digital techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/53—Means for transforming coordinates or for evaluating data, e.g. using computers
    • G01S7/531—Scan converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Image Processing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Digital Computer Display Output (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)

Abstract

L'invention concerne un appareil convertisseur de balayage. Elle se rapporte à un appareil qui comprend une mémoire d'image destinée à conserver des valeurs d'éléments d'image, une mémoire de remise à jour de valeurs d'éléments d'image, un dispositif recevant l'ancienne et la nouvelle valeur d'un élément d'image et formant un mot composite d'adressage de la mémoire de remise à jour, et un dispositif destiné à conserver les valeurs remises à jour des éléments d'image dans les emplacements de la mémoire d'image qui ont été adressés. Application aux convertisseurs de balayage des appareils de formation d'images ultrasonores.
FR7905764A 1978-03-07 1979-03-06 Procede et appareil de traitement de signaux video suivant une fonction programmable de transfert Expired FR2419630B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/884,327 US4212072A (en) 1978-03-07 1978-03-07 Digital scan converter with programmable transfer function

Publications (2)

Publication Number Publication Date
FR2419630A1 true FR2419630A1 (fr) 1979-10-05
FR2419630B1 FR2419630B1 (fr) 1987-02-13

Family

ID=25384388

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7905764A Expired FR2419630B1 (fr) 1978-03-07 1979-03-06 Procede et appareil de traitement de signaux video suivant une fonction programmable de transfert

Country Status (8)

Country Link
US (1) US4212072A (fr)
JP (1) JPS54125887A (fr)
AT (1) AT378879B (fr)
AU (1) AU522344B2 (fr)
DE (1) DE2907991A1 (fr)
FR (1) FR2419630B1 (fr)
GB (1) GB2015847B (fr)
NL (1) NL7901823A (fr)

Families Citing this family (43)

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Publication number Priority date Publication date Assignee Title
CH642211A5 (de) * 1979-03-08 1984-03-30 Siemens Ag Albis Korrekturschaltung zur verbesserung der konturenschaerfe von fernsehbildern.
CA1159945A (fr) * 1979-09-20 1984-01-03 George Kossoff Materiel de traitement de signaux pour la visualisation par ultrasons
DE2937958C2 (de) * 1979-09-20 1982-03-25 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur horizontalen und vertikalen Konturkorrektur
US4326258A (en) * 1980-01-31 1982-04-20 Ncr Canada Ltd - Ncr Canada Ltee Method and apparatus for reducing the gray scale resolution of a digitized image
US4408228A (en) * 1980-11-02 1983-10-04 General Electric Company Method and means for reducing noise in television display system
US4468747A (en) * 1980-11-03 1984-08-28 Hewlett-Packard Company Scan converter system
US4375671A (en) * 1980-11-03 1983-03-01 General Electric Company Method and means for filtering and updating pixel data
US4471449A (en) * 1980-11-03 1984-09-11 Hewlett-Packard Company Scan converter system
US4403148A (en) * 1981-05-07 1983-09-06 Optic-Electronic Corporation Electro-optical scanning and display system
US4396938A (en) * 1981-07-23 1983-08-02 Rca Corporation Controlled ram signal processor
JPS58121941A (ja) * 1982-01-13 1983-07-20 テルモ株式会社 超音波診断装置
US4507741A (en) * 1982-02-08 1985-03-26 Rockwell International Corporation Computing device
US4492119A (en) * 1982-10-01 1985-01-08 Technicare Corporation Articulated arm ultrasound imaging systems
FR2535465B1 (fr) * 1982-10-27 1985-09-13 Thomson Csf Procede de traitement de la remanence artificielle dans un transformateur numerique d'images
JPS59153377A (ja) * 1983-02-21 1984-09-01 Canon Inc シエ−デイング補正装置
US4658286A (en) * 1983-03-28 1987-04-14 Jack Schwartz Method and apparatus for correcting distortions in reproducing systems
JPS59218145A (ja) * 1983-05-26 1984-12-08 株式会社東芝 超音波検査装置
JPS60132545A (ja) * 1983-12-21 1985-07-15 横河メディカルシステム株式会社 超音波診断装置
US4593314A (en) * 1984-05-17 1986-06-03 The Kemp-Carraway Heart Institute Echocardiogram machine control
EP0186290B1 (fr) * 1984-11-09 1992-01-15 Matsushita Electric Industrial Co., Ltd. Système d'imagerie ultrasonore pour l'affichage simultané d'images multiples à balayage sectoriel
US4723260A (en) * 1985-01-04 1988-02-02 Yoshibumi Mukai Medical X-ray photographic apparatus
US4689675A (en) * 1985-05-23 1987-08-25 Advanced Systems Development, Inc. Digital scan converter and method therefor
US4742551A (en) * 1985-10-07 1988-05-03 Fairchild Camera & Instrument Corporation Multistatistics gatherer
US4829308A (en) * 1985-10-07 1989-05-09 Raytheon Company Raster display system
US4751846A (en) * 1985-10-16 1988-06-21 Kontron Holding A.G. Reducing noise in ultrasonic images
US4688095A (en) * 1986-02-07 1987-08-18 Image Technology Incorporated Programmable image-transformation system
GB8615214D0 (en) * 1986-06-21 1986-07-23 Quantel Ltd Video processing systems
DE3775487D1 (de) * 1986-07-01 1992-02-06 Hewlett Packard Co Vorrichtung zur datenverarbeitung.
GB2223643B (en) * 1988-10-05 1993-04-07 Marconi Gec Ltd Data processing apparatus
GB2243515A (en) * 1990-04-11 1991-10-30 Rank Cintel Ltd Digital video signal processing using lookup tables
US5258928A (en) * 1990-05-03 1993-11-02 Rca Thomson Licensing Corporation Parts efficient memory based functional circuit having selectable transfer characteristics
GB2245795A (en) * 1990-07-05 1992-01-08 Rank Cintel Ltd Generating convoluted digital video signals
US5157506A (en) * 1990-08-29 1992-10-20 Savitar, Inc. Standardized color calibration of electronic imagery
US5148288A (en) * 1990-08-29 1992-09-15 Savitar, Inc. Standardized color calibration of electronic imagery
US5097268A (en) * 1991-01-08 1992-03-17 Raytheon Company Radar apparatus and method for enhancing the display of moving targets
US5325195A (en) * 1991-05-06 1994-06-28 Rasterops Corporation Video normalizer for a display monitor
US5396285A (en) * 1993-05-07 1995-03-07 Acuson Corporation Ultrasound imaging method and apparatus with dynamic non-linear filtering
US6031565A (en) * 1993-06-18 2000-02-29 Gte Internetworking Incorporated Stereo radiography
KR0163385B1 (ko) * 1995-10-17 1998-12-15 이민화 균일사다리방식을 이용한 초음파진단장치의 디지탈스캔컨버터
US6343336B1 (en) * 1999-11-16 2002-01-29 Exabyte Corporation Transfer function compatibility for information for information storage reproduction
US7068193B2 (en) * 2002-09-26 2006-06-27 Analog Devices, Inc. Integrated digital calibration circuit and digital to analog converter (DAC)
TWI408947B (zh) * 2009-02-13 2013-09-11 Mstar Semiconductor Inc 影像調整裝置及影像調整方法
US9250214B2 (en) 2013-03-12 2016-02-02 Hexagon Metrology, Inc. CMM with flaw detection system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810174A (en) * 1969-11-28 1974-05-07 Hughes Aircraft Co Digital scan converter
FR2231073A1 (fr) * 1973-05-25 1974-12-20 Kretztechnik Gmbh
FR2310608A1 (fr) * 1975-05-07 1976-12-03 Hoffmann La Roche Convertisseur de balayage
US4058001A (en) * 1976-08-02 1977-11-15 G. D. Searle & Co. Ultrasound imaging system with improved scan conversion
US4065770A (en) * 1975-04-17 1977-12-27 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Digital scan converters
US4074223A (en) * 1976-08-03 1978-02-14 Indianapolis Center For Advanced Research Peak detector for resolution enhancement of ultrasonic visualization systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800078A (en) * 1972-12-18 1974-03-26 Ibm Digitally compensated scanning system
US3919473A (en) * 1974-01-02 1975-11-11 Corning Glass Works Signal correction system
US3961133A (en) * 1974-05-24 1976-06-01 The Singer Company Method and apparatus for combining video images with proper occlusion
US3920889A (en) * 1974-12-05 1975-11-18 Bell Telephone Labor Inc Method and apparatus for crispening video signals by the use of temporal filters
GB1515551A (en) * 1975-04-25 1978-06-28 British Broadcasting Corp Noise reduction in electrical signals
US4010466A (en) * 1975-08-04 1977-03-01 Princeton Electronic Products, Inc. Method and system of electronic image storage and display
US3983320A (en) * 1975-08-25 1976-09-28 Hughes Aircraft Company Raster display histogram equalization
US3996421A (en) * 1975-09-02 1976-12-07 Hughes Aircraft Company Television display utilizing local area brightness control

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810174A (en) * 1969-11-28 1974-05-07 Hughes Aircraft Co Digital scan converter
FR2231073A1 (fr) * 1973-05-25 1974-12-20 Kretztechnik Gmbh
US4065770A (en) * 1975-04-17 1977-12-27 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Digital scan converters
FR2310608A1 (fr) * 1975-05-07 1976-12-03 Hoffmann La Roche Convertisseur de balayage
US4058001A (en) * 1976-08-02 1977-11-15 G. D. Searle & Co. Ultrasound imaging system with improved scan conversion
US4074223A (en) * 1976-08-03 1978-02-14 Indianapolis Center For Advanced Research Peak detector for resolution enhancement of ultrasonic visualization systems

Also Published As

Publication number Publication date
ATA167379A (de) 1985-02-15
GB2015847B (en) 1982-08-25
AT378879B (de) 1985-10-10
GB2015847A (en) 1979-09-12
US4212072A (en) 1980-07-08
AU522344B2 (en) 1982-05-27
FR2419630B1 (fr) 1987-02-13
NL7901823A (nl) 1979-09-11
JPS54125887A (en) 1979-09-29
DE2907991A1 (de) 1979-09-13
AU4468279A (en) 1979-09-13

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