DE69225365T2 - Bildsignalkodierungsvorrichtung - Google Patents

Bildsignalkodierungsvorrichtung

Info

Publication number
DE69225365T2
DE69225365T2 DE69225365T DE69225365T DE69225365T2 DE 69225365 T2 DE69225365 T2 DE 69225365T2 DE 69225365 T DE69225365 T DE 69225365T DE 69225365 T DE69225365 T DE 69225365T DE 69225365 T2 DE69225365 T2 DE 69225365T2
Authority
DE
Germany
Prior art keywords
coding
coefficients
coefficient
image signal
transformed
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.)
Expired - Fee Related
Application number
DE69225365T
Other languages
German (de)
English (en)
Other versions
DE69225365D1 (de
Inventor
Koh C O Fuji Xerox Co Kamizawa
Yutaka C O Fuji Xerox Co Koshi
Setsu C O Fuji Xerox Kunitake
Kazuhiro Suzuki
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox Co Ltd
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 JP22059691A external-priority patent/JP2664032B2/ja
Priority claimed from JP3220593A external-priority patent/JPH0563989A/ja
Application filed by Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Publication of DE69225365D1 publication Critical patent/DE69225365D1/de
Application granted granted Critical
Publication of DE69225365T2 publication Critical patent/DE69225365T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/14Coding unit complexity, e.g. amount of activity or edge presence estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/154Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/18Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/94Vector quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
DE69225365T 1991-08-30 1992-08-27 Bildsignalkodierungsvorrichtung Expired - Fee Related DE69225365T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP22059691A JP2664032B2 (ja) 1991-08-30 1991-08-30 画像信号の符号化装置
JP3220593A JPH0563989A (ja) 1991-08-30 1991-08-30 画像信号の符号化装置

Publications (2)

Publication Number Publication Date
DE69225365D1 DE69225365D1 (de) 1998-06-10
DE69225365T2 true DE69225365T2 (de) 1998-11-19

Family

ID=26523792

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69225365T Expired - Fee Related DE69225365T2 (de) 1991-08-30 1992-08-27 Bildsignalkodierungsvorrichtung

Country Status (3)

Country Link
US (1) US5598484A (OSRAM)
EP (1) EP0530022B1 (OSRAM)
DE (1) DE69225365T2 (OSRAM)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5592302A (en) * 1992-03-23 1997-01-07 Canon Kabushiki Kaisha Coding method for coding pixel blocks and apparatus therefor
JP3634419B2 (ja) * 1994-07-25 2005-03-30 セイコーエプソン株式会社 画像処理方法および画像処理装置
JP2770137B2 (ja) * 1994-09-22 1998-06-25 日本プレシジョン・サーキッツ株式会社 波形データ圧縮装置
KR0178195B1 (ko) * 1995-03-28 1999-05-01 배순훈 벡터 양자화 방식을 이용한 영상 신호 부호화 장치
US7426311B1 (en) * 1995-10-26 2008-09-16 Hyundai Electronics Industries Co. Ltd. Object-based coding and decoding apparatuses and methods for image signals
JP2836681B2 (ja) * 1997-01-14 1998-12-14 日本電気株式会社 パタンマッチング符号化方法及び符号化装置
WO1998034406A1 (de) * 1997-01-31 1998-08-06 Siemens Aktiengesellschaft Verfahren und anordnung zur codierung und decodierung eines digitalisierten bildes
JP3720850B2 (ja) 1997-01-31 2005-11-30 シーメンス アクチエンゲゼルシヤフト デジタル化画像の符号化および復号化のための方法および装置
EP0917362A1 (en) * 1997-11-12 1999-05-19 STMicroelectronics S.r.l. Macroblock variance estimator for MPEG-2 video encoder
JP4344964B2 (ja) * 1999-06-01 2009-10-14 ソニー株式会社 画像処理装置および画像処理方法
KR20030005222A (ko) * 2001-01-10 2003-01-17 코닌클리케 필립스 일렉트로닉스 엔.브이. 코딩
US6717988B2 (en) 2001-01-11 2004-04-06 Koninklijke Philips Electronics N.V. Scalable MPEG-2 decoder
US7020672B2 (en) * 2001-03-30 2006-03-28 Koninklijke Philips Electronics, N.V. Reduced complexity IDCT decoding with graceful degradation
WO2002086818A2 (en) * 2001-04-20 2002-10-31 Koninklijke Philips Electronics N.V. Image processing apparatus for and method of improving an image and an image display apparatus comprising the image processing apparatus
US6985635B2 (en) * 2002-04-22 2006-01-10 Koninklijke Philips Electronics N.V. System and method for providing a single-layer video encoded bitstreams suitable for reduced-complexity decoding
US7054497B2 (en) * 2002-06-14 2006-05-30 Koninklijke Philips Electronics N.V. Method and system for optimizing image sharpness during coding and image enhancement
KR100922941B1 (ko) * 2002-11-04 2009-10-22 삼성전자주식회사 에너지에 기반한 적응적인 이산코사인 변환/역이산코사인변환 장치 및 방법
KR100645636B1 (ko) * 2004-12-09 2006-11-15 삼성전기주식회사 Dct 계수를 이용한 카메라의 자동초점조절장치 및 그방법
EP1839020B1 (en) * 2005-01-19 2017-04-26 Optopo Inc. D/B/A Centice Corporation Static two-dimensional aperture coding for multimodal multiplex spectroscopy
EP1768416A1 (en) * 2005-09-27 2007-03-28 Matsushita Electric Industrial Co., Ltd. Frequency selective video compression and quantization
JPWO2006118288A1 (ja) * 2005-05-03 2008-12-18 松下電器産業株式会社 動画像符号化方法、動画像復号化方法およびその装置
EP1768415A1 (en) * 2005-09-27 2007-03-28 Matsushita Electric Industrial Co., Ltd. Adaptive scan order of DCT coefficients and its signaling
JP3895357B2 (ja) * 2005-06-21 2007-03-22 日東光学株式会社 信号処理装置
US8437563B2 (en) * 2007-04-04 2013-05-07 Telefonaktiebolaget L M Ericsson (Publ) Vector-based image processing
WO2016074745A1 (en) * 2014-11-14 2016-05-19 Huawei Technologies Co., Ltd. Systems and methods for processing a block of a digital image
JP6664819B2 (ja) 2014-11-14 2020-03-13 ホアウェイ・テクノロジーズ・カンパニー・リミテッド デジタル画像のブロックのマスクベースの処理のためのシステムおよび方法
WO2016074744A1 (en) * 2014-11-14 2016-05-19 Huawei Technologies Co., Ltd. Systems and methods for processing a digital image

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4797945A (en) * 1985-12-13 1989-01-10 Canon Kabushiki Kaisha Image data coding apparatus
DE3788326T2 (de) * 1986-09-25 1994-03-17 Nippon Electric Co Verfahren und Apparat zur Kodierung von Bewegtbildsignalen.
US5162923A (en) * 1988-02-22 1992-11-10 Canon Kabushiki Kaisha Method and apparatus for encoding frequency components of image information
US5170264A (en) * 1988-12-10 1992-12-08 Fuji Photo Film Co., Ltd. Compression coding device and expansion decoding device for a picture signal
US5051840A (en) * 1988-12-14 1991-09-24 Fuji Photo Film Co., Ltd. Device for coding a picture signal by compression
US5121216A (en) * 1989-07-19 1992-06-09 Bell Communications Research Adaptive transform coding of still images
US5268755A (en) * 1991-02-21 1993-12-07 Matsushita Electric Industrial Co., Ltd. Orthogonal transformation encoder

Also Published As

Publication number Publication date
DE69225365D1 (de) 1998-06-10
EP0530022A2 (en) 1993-03-03
US5598484A (en) 1997-01-28
EP0530022A3 (OSRAM) 1995-03-15
EP0530022B1 (en) 1998-05-06

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Legal Events

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8339 Ceased/non-payment of the annual fee