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 JP3220593A external-priority patent/JPH0563989A/ja
Priority claimed from JP22059691A external-priority patent/JP2664032B2/ja
Application filed by Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Application granted granted Critical
Publication of DE69225365D1 publication Critical patent/DE69225365D1/de
Publication of DE69225365T2 publication Critical patent/DE69225365T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods 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
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods 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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods 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
    • H04N19/17—Methods 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
    • H04N19/176—Methods 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
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods 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
    • H04N19/18—Methods 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
    • 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
    • H04N19/94—Vector quantisation
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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

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
JP3220593A JPH0563989A (ja) 1991-08-30 1991-08-30 画像信号の符号化装置
JP22059691A JP2664032B2 (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 (enExample)
EP (1) EP0530022B1 (enExample)
DE (1) DE69225365T2 (enExample)

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
CN1157071C (zh) * 1997-01-31 2004-07-07 西门子公司 一个数字化图象编码和解码的方法和装置
CN1124569C (zh) * 1997-01-31 2003-10-15 西门子公司 数字化图象编码和解码的方法和装置
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
JP5220420B2 (ja) * 2005-01-19 2013-06-26 オプトポ インコーポレイテッド ディー／ビー／エイ センティス コーポレイション 静的マルチモードマルチプレックス分光法のための静的２次元符号化アパーチャ
EP1768416A1 (en) * 2005-09-27 2007-03-28 Matsushita Electric Industrial Co., Ltd. Frequency selective video compression and quantization
EP1768415A1 (en) * 2005-09-27 2007-03-28 Matsushita Electric Industrial Co., Ltd. Adaptive scan order of DCT coefficients and its signaling
WO2006118288A1 (ja) * 2005-05-03 2006-11-09 Matsushita Electric Industrial Co., Ltd. 動画像符号化方法、動画像復号化方法およびその装置
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
WO2016074744A1 (en) * 2014-11-14 2016-05-19 Huawei Technologies Co., Ltd. Systems and methods for processing a digital image
CN107005702B (zh) * 2014-11-14 2020-10-16 华为技术有限公司 用于处理数字图像的块的系统和方法
KR102093802B1 (ko) 2014-11-14 2020-05-27 후아웨이 테크놀러지 컴퍼니 리미티드 디지털 이미지의 블록의 마스크 기반 처리를 위한 시스템 및 방법

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
EP0260721B1 (en) * 1986-09-25 1993-12-01 Nec Corporation Method and apparatus for coding motion image signal
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
EP0530022A3 (enExample) 1995-03-15
DE69225365D1 (de) 1998-06-10
US5598484A (en) 1997-01-28
EP0530022B1 (en) 1998-05-06
EP0530022A2 (en) 1993-03-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee