ATE317575T1 - Bildverarbeitung - Google Patents

Bildverarbeitung

Info

Publication number
ATE317575T1
ATE317575T1 AT00124428T AT00124428T ATE317575T1 AT E317575 T1 ATE317575 T1 AT E317575T1 AT 00124428 T AT00124428 T AT 00124428T AT 00124428 T AT00124428 T AT 00124428T AT E317575 T1 ATE317575 T1 AT E317575T1
Authority
AT
Austria
Prior art keywords
image
noise
jpeg image
spatial coordinates
unit
Prior art date
Application number
AT00124428T
Other languages
English (en)
Inventor
Teruyuki Takata
Fumio Nagasaka
Original Assignee
Seiko Epson 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
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Application granted granted Critical
Publication of ATE317575T1 publication Critical patent/ATE317575T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/10—Image enhancement or restoration using non-spatial domain filtering
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/136—Segmentation; Edge detection involving thresholding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing
    • G06T2207/20052—Discrete cosine transform [DCT]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Discrete Mathematics (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Facsimile Image Signal Circuits (AREA)
AT00124428T 1999-11-15 2000-11-08 Bildverarbeitung ATE317575T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32394699A JP4496574B2 (ja) 1999-11-15 1999-11-15 画像処理装置、記憶装置、画像処理システムおよび画像処理方法

Publications (1)

Publication Number Publication Date
ATE317575T1 true ATE317575T1 (de) 2006-02-15

Family

ID=18160404

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00124428T ATE317575T1 (de) 1999-11-15 2000-11-08 Bildverarbeitung

Country Status (5)

Country Link
US (2) US6914699B1 (de)
EP (2) EP1545120A1 (de)
JP (1) JP4496574B2 (de)
AT (1) ATE317575T1 (de)
DE (1) DE60025875T8 (de)

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US20020184307A1 (en) * 2001-05-30 2002-12-05 Pineau Richard A. Method and apparatus for printing remote images using a mobile device and printer
US6995791B2 (en) 2002-04-02 2006-02-07 Freescale Semiconductor, Inc. Automatic white balance for digital imaging
US7102669B2 (en) 2002-04-02 2006-09-05 Freescale Semiconductor, Inc. Digital color image pre-processing
US7599579B2 (en) * 2002-07-11 2009-10-06 Ge Medical Systems Global Technology Company, Llc Interpolated image filtering method and apparatus
US20040140986A1 (en) * 2003-01-16 2004-07-22 Boldon John Leland Systems and methods for facilitating printing through interface exportation
EP1489830B1 (de) * 2003-06-16 2006-11-22 Océ-Technologies B.V. Verfahren und Vorrichtung für das Erzeugen eines halbtongerasterten Bildes von einem komprimierten Bild
JP4486847B2 (ja) * 2003-06-16 2010-06-23 オセ−テクノロジーズ・ベー・ヴエー 圧縮画像から中間調画像を作成する方法と装置
US7570824B2 (en) 2003-07-11 2009-08-04 Sharp Kabushiki Kaisha Image processing method, image processor, image forming apparatus and memory product
US7346220B2 (en) * 2003-07-23 2008-03-18 Seiko Epson Corporation Method and apparatus for reducing the bandwidth required to transmit image data
JP4375235B2 (ja) * 2004-05-20 2009-12-02 セイコーエプソン株式会社 複数画素ずつコード化しながら画像を出力する画像出力システム
US7692817B2 (en) 2004-06-23 2010-04-06 Sharp Kabushiki Kaisha Image processing method, image processing apparatus, image forming apparatus, computer program product and computer memory product for carrying out image processing by transforming image data to image data having spatial frequency components
US7421130B2 (en) * 2004-06-25 2008-09-02 Seiko Epson Corporation Method and apparatus for storing image data using an MCU buffer
US7386178B2 (en) * 2004-07-29 2008-06-10 Seiko Epson Corporation Method and apparatus for transforming the dimensions of an image
JP4442392B2 (ja) * 2004-11-05 2010-03-31 カシオ計算機株式会社 画像処理装置及び画像処理方法
JP4381360B2 (ja) 2005-08-30 2009-12-09 シャープ株式会社 画像処理方法、画像処理装置、画像形成装置、コンピュータプログラム及び記録媒体
US20130046803A1 (en) * 2011-08-18 2013-02-21 Qualcomm Mems Technologies Dither-aware image coding
JP5884591B2 (ja) * 2012-03-26 2016-03-15 株式会社ニコン 画像処理装置、カメラおよび画像処理プログラム
TWI546798B (zh) 2013-04-29 2016-08-21 杜比實驗室特許公司 使用處理器來遞色影像的方法及其電腦可讀取儲存媒體
GB201713051D0 (en) 2017-08-15 2017-09-27 Imagination Tech Ltd Low latency distortion unit for head mounted displays
US11062108B2 (en) 2017-11-07 2021-07-13 Digimarc Corporation Generating and reading optical codes with variable density to adapt for visual quality and reliability
US10872392B2 (en) 2017-11-07 2020-12-22 Digimarc Corporation Generating artistic designs encoded with robust, machine-readable data
US10896307B2 (en) * 2017-11-07 2021-01-19 Digimarc Corporation Generating and reading optical codes with variable density to adapt for visual quality and reliability
CN108665903B (zh) * 2018-05-11 2021-04-30 复旦大学 一种音频信号相似程度的自动检测方法及其系统
JP7115099B2 (ja) * 2018-07-25 2022-08-09 セイコーエプソン株式会社 印刷装置、印刷方法および印刷システム
EP3624454A1 (de) * 2018-09-13 2020-03-18 Blackmagic Design Pty Ltd Bildbearbeitungsverfahren und -system
CN111754378B (zh) * 2019-03-27 2023-08-25 腾讯科技（深圳）有限公司 图像处理方法、装置、存储介质及电子装置
CN118212149B (zh) * 2023-01-17 2025-03-18 国家石油天然气管网集团有限公司 图像去噪的方法、装置、处理器及存储介质

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Publication number Priority date Publication date Assignee Title
GB9114189D0 (en) * 1991-07-01 1991-08-21 Crosfield Electronics Ltd Improvements relating to data compression
JPH0757077A (ja) * 1993-08-13 1995-03-03 Ricoh Co Ltd 画像処理装置
JPH08205152A (ja) * 1995-01-26 1996-08-09 Matsushita Graphic Commun Syst Inc 画像圧縮符号化装置
US5917952A (en) 1995-09-20 1999-06-29 Hewlett-Packard Company Compression of randomly dithered bi-level images
EP0766468B1 (de) * 1995-09-28 2006-05-03 Nec Corporation Verfahren und Vorrichtung zum Einfügen eines Spreizspektrumwasserzeichens in Multimediadaten
US5809139A (en) * 1996-09-13 1998-09-15 Vivo Software, Inc. Watermarking method and apparatus for compressed digital video
JP3520166B2 (ja) * 1996-11-19 2004-04-19 株式会社リコー 画像処理装置
JP3510066B2 (ja) * 1996-11-21 2004-03-22 株式会社リコー 画像形成装置及び方法
JPH1154417A (ja) * 1997-07-29 1999-02-26 Nikon Corp 照明装置及び投影露光装置
JPH11252388A (ja) * 1998-03-02 1999-09-17 Fuji Xerox Co Ltd カラー画像処理方法及び装置
JPH11306379A (ja) * 1998-04-21 1999-11-05 Atr Chino Eizo Tsushin Kenkyusho:Kk 動画像作成装置
US6671068B1 (en) * 1999-09-30 2003-12-30 Sharp Laboratories Of America, Inc. Adaptive error diffusion with improved edge and sharpness perception

Also Published As

Publication number Publication date
DE60025875T2 (de) 2006-10-26
EP1102209B1 (de) 2006-02-08
EP1102209A2 (de) 2001-05-23
JP4496574B2 (ja) 2010-07-07
US7136193B2 (en) 2006-11-14
US20050083545A1 (en) 2005-04-21
EP1102209A3 (de) 2003-07-16
DE60025875D1 (de) 2006-04-20
EP1545120A1 (de) 2005-06-22
US6914699B1 (en) 2005-07-05
DE60025875T8 (de) 2007-06-14
JP2001143066A (ja) 2001-05-25

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