DE69416662D1 - Bewegtbildkodierer - Google Patents

Bewegtbildkodierer

Info

Publication number
DE69416662D1
DE69416662D1 DE69416662T DE69416662T DE69416662D1 DE 69416662 D1 DE69416662 D1 DE 69416662D1 DE 69416662 T DE69416662 T DE 69416662T DE 69416662 T DE69416662 T DE 69416662T DE 69416662 D1 DE69416662 D1 DE 69416662D1
Authority
DE
Germany
Prior art keywords
moving picture
picture encoder
encoder
moving
picture
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
DE69416662T
Other languages
English (en)
Other versions
DE69416662T2 (de
Inventor
Yoichi Fujiwara
Toshiyuki Miyake
Hiroyuki Katata
Tomoko Aono
Hiroshi Kusao
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Publication of DE69416662D1 publication Critical patent/DE69416662D1/de
Application granted granted Critical
Publication of DE69416662T2 publication Critical patent/DE69416662T2/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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
DE1994616662 1993-12-28 1994-12-20 Bewegtbildkodierer Expired - Fee Related DE69416662T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33847493A JP3356516B2 (ja) 1993-12-28 1993-12-28 動画像符号化装置

Publications (2)

Publication Number Publication Date
DE69416662D1 true DE69416662D1 (de) 1999-04-01
DE69416662T2 DE69416662T2 (de) 1999-08-05

Family

ID=18318505

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1994616662 Expired - Fee Related DE69416662T2 (de) 1993-12-28 1994-12-20 Bewegtbildkodierer

Country Status (4)

Country Link
US (1) US5856848A (de)
EP (1) EP0661887B1 (de)
JP (1) JP3356516B2 (de)
DE (1) DE69416662T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09102954A (ja) * 1995-10-04 1997-04-15 Matsushita Electric Ind Co Ltd １つまたは２つの予測ブロックからブロックの画素値を計算する方法
US5844612A (en) * 1995-11-09 1998-12-01 Utah State University Foundation Motion vector quantizing selection system
JP3213561B2 (ja) 1997-02-05 2001-10-02 シャープ株式会社 画像符号化装置及び画像復号装置
CN1156169C (zh) * 1997-05-07 2004-06-30 西门子公司 一个数字化图象的编码方法和装置
EP0917362A1 (de) 1997-11-12 1999-05-19 STMicroelectronics S.r.l. Makroblockvarianzscchätzung für MPEG2-Videocodierer
US6351493B1 (en) * 1998-06-30 2002-02-26 Compaq Computer Corporation Coding an intra-frame upon detecting a scene change in a video sequence
US6591015B1 (en) * 1998-07-29 2003-07-08 Matsushita Electric Industrial Co., Ltd. Video coding method and apparatus with motion compensation and motion vector estimator
US6697430B1 (en) * 1999-05-19 2004-02-24 Matsushita Electric Industrial Co., Ltd. MPEG encoder
JP2001078188A (ja) * 1999-09-01 2001-03-23 Casio Comput Co Ltd 画像圧縮符号化装置、及び記憶媒体
US6636645B1 (en) * 2000-06-29 2003-10-21 Eastman Kodak Company Image processing method for reducing noise and blocking artifact in a digital image
WO2002037859A2 (en) * 2000-11-03 2002-05-10 Compression Science Video data compression system
US7944971B1 (en) * 2002-07-14 2011-05-17 Apple Inc. Encoding video
KR100563781B1 (ko) * 2002-09-24 2006-03-27 가부시키가이샤 히다치 고쿠사이 덴키 주목해야 할 화상의 표시방법과 장치 및 원격화상감시시스템
US7136533B2 (en) * 2002-12-19 2006-11-14 Hewlett-Packard Development Company, L.P. Color image compression with adaptive prediction
KR100987765B1 (ko) * 2003-09-30 2010-10-13 삼성전자주식회사 동영상 부호화기에서의 예측 수행 방법 및 장치
EP1739970A1 (de) * 2005-06-28 2007-01-03 Matsushita Electric Industrial Co., Ltd. Verfahren zur Kodierung und Übertragung von Videokonferenzdaten in Echtzeit
JP2009182623A (ja) * 2008-01-30 2009-08-13 Panasonic Corp 画像符号化方法
CN103379318B (zh) * 2012-04-12 2018-01-19 中兴通讯股份有限公司 一种视频码流编码方法和装置
CN103379321B (zh) * 2012-04-16 2017-02-01 华为技术有限公司 视频图像分量的预测方法和装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60237738A (ja) * 1984-05-11 1985-11-26 Sony Corp デイジタル信号伝送装置
US5327173A (en) * 1989-06-19 1994-07-05 Fujitsu Limited Moving image coding apparatus and moving image decoding apparatus
JPH07112284B2 (ja) * 1990-01-20 1995-11-29 日本ビクター株式会社 予測符号化装置及び復号化装置
US5317397A (en) * 1991-05-31 1994-05-31 Kabushiki Kaisha Toshiba Predictive coding using spatial-temporal filtering and plural motion vectors
JP3002019B2 (ja) * 1991-07-04 2000-01-24 富士通株式会社 セル廃棄補償機能を有する画像符号化伝送方式
KR0125581B1 (ko) * 1991-07-24 1998-07-01 구자홍 디지탈 영상신호의 에러수정 시스템
JPH0595540A (ja) * 1991-09-30 1993-04-16 Sony Corp 動画像符号化装置
EP0935397B1 (de) * 1991-09-30 2005-07-27 Kabushiki Kaisha Toshiba Gerät zur Verarbeitung von bandkomprimierten Signalen für Aufnahme/Wiedergabe
JPH05137131A (ja) * 1991-11-13 1993-06-01 Sony Corp フレーム間動き予測方法
US5488482A (en) * 1992-01-29 1996-01-30 Mitsubishi Denki Kabushiki Kaisha High-efficiency encoder and video information recording/reproducing apparatus
US5436665A (en) * 1992-03-03 1995-07-25 Kabushiki Kaisha Toshiba Motion picture coding apparatus
US5241383A (en) * 1992-05-13 1993-08-31 Bell Communications Research, Inc. Pseudo-constant bit rate video coding with quantization parameter adjustment
FR2691272B1 (fr) * 1992-05-15 1997-01-17 Thomson Csf Procede de codage d'images tres bas debit et dispositif de codage mettant en óoeuvre ce procede.
KR0166716B1 (ko) * 1992-06-18 1999-03-20 강진구 블럭 dpcm을 이용한 부호화/복호화방법 및 장치
JP2611607B2 (ja) * 1992-06-29 1997-05-21 日本ビクター株式会社 シーンチェンジ検出装置
JP3036287B2 (ja) * 1992-12-15 2000-04-24 富士ゼロックス株式会社 動画像シーン検出装置

Also Published As

Publication number Publication date
JPH07203449A (ja) 1995-08-04
JP3356516B2 (ja) 2002-12-16
EP0661887A3 (de) 1996-05-01
EP0661887B1 (de) 1999-02-24
EP0661887A2 (de) 1995-07-05
US5856848A (en) 1999-01-05
DE69416662T2 (de) 1999-08-05

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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