DE69631301D1 - Vorrichtung und Verfahren zur Bildkompression - Google Patents

Vorrichtung und Verfahren zur Bildkompression

Info

Publication number
DE69631301D1
DE69631301D1 DE69631301T DE69631301T DE69631301D1 DE 69631301 D1 DE69631301 D1 DE 69631301D1 DE 69631301 T DE69631301 T DE 69631301T DE 69631301 T DE69631301 T DE 69631301T DE 69631301 D1 DE69631301 D1 DE 69631301D1
Authority
DE
Germany
Prior art keywords
image compression
compression
image
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 - Lifetime
Application number
DE69631301T
Other languages
English (en)
Inventor
Yasuji Hirabayashi
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69631301D1 publication Critical patent/DE69631301D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00Image coding
    • G06T9/007Transform coding, e.g. discrete cosine transform

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
DE69631301T 1995-01-31 1996-01-25 Vorrichtung und Verfahren zur Bildkompression Expired - Lifetime DE69631301D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1419695A JPH08205140A (ja) 1995-01-31 1995-01-31 画像圧縮装置

Publications (1)

Publication Number Publication Date
DE69631301D1 true DE69631301D1 (de) 2004-02-19

Family

ID=11854377

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69631301T Expired - Lifetime DE69631301D1 (de) 1995-01-31 1996-01-25 Vorrichtung und Verfahren zur Bildkompression

Country Status (4)

Country Link
US (1) US5903669A (de)
EP (1) EP0725363B1 (de)
JP (1) JPH08205140A (de)
DE (1) DE69631301D1 (de)

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* Cited by examiner, † Cited by third party
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EP0905982A3 (de) * 1997-09-30 1999-07-07 Canon Kabushiki Kaisha Verfahren und Vorrichtung zur Kodierung und Dekodierung von Daten, insbesondere Digitalbildfolgen
FR2769454A1 (fr) * 1997-10-06 1999-04-09 Canon Kk Procede et dispositif de codage et decodage de donnees, notamment de sequences d'images numeriques
US6421464B1 (en) * 1998-12-16 2002-07-16 Fastvdo Llc Fast lapped image transforms using lifting steps
US6529634B1 (en) * 1999-11-08 2003-03-04 Qualcomm, Inc. Contrast sensitive variance based adaptive block size DCT image compression
US6600836B1 (en) * 2000-01-28 2003-07-29 Qualcomm, Incorporated Quality based image compression
US7649947B2 (en) 2001-06-05 2010-01-19 Qualcomm Incorporated Selective chrominance decimation for digital images
US6870963B2 (en) * 2001-06-15 2005-03-22 Qualcomm, Inc. Configurable pattern optimizer
WO2003026350A2 (en) * 2001-09-14 2003-03-27 The Regents Of The University Of Michigan Audio distributor
WO2003084243A1 (en) * 2002-03-28 2003-10-09 Sony Corporation Image compression/encoding device, method, and program
EP2367358A1 (de) 2002-04-26 2011-09-21 NTT DoCoMo, Inc. Bildcodierungsvorrichtung, Bilddecodierungsvorrichtung, Bildcodierungsverfahren, Bilddecodierungsverfahren, Bildcodierungsprogramm und Bilddecodierungsprogramm
US7944971B1 (en) * 2002-07-14 2011-05-17 Apple Inc. Encoding video
KR100485974B1 (ko) * 2002-10-10 2005-05-03 엔에이치엔(주) 컨텐츠 제공 방법 및 시스템
ES2309379T3 (es) * 2002-11-15 2008-12-16 Qualcomm Incorporated Aparato y procedimiento para codificacion por multiples descripciones.
US7190413B2 (en) * 2002-11-27 2007-03-13 Lsi Logic Corporation Memory video data storage structure optimized for small 2-D data transfer
US7190368B2 (en) * 2002-11-27 2007-03-13 Lsi Logic Corporation Method and/or apparatus for video data storage
US7995849B2 (en) * 2003-03-17 2011-08-09 Qualcomm, Incorporated Method and apparatus for improving video quality of low bit-rate video
KR100510137B1 (ko) * 2003-04-30 2005-08-26 삼성전자주식회사 고속 움직임 추정을 위한 참조 픽쳐 및 블록 모드 결정방법, 그 장치, 블록 모드 결정 방법 및 그 장치
US20080075377A1 (en) * 2003-07-29 2008-03-27 Topiwala Pankaj N Fast lapped image transforms using lifting steps
US7886093B1 (en) * 2003-07-31 2011-02-08 Hewlett-Packard Development Company, L.P. Electronic device network supporting compression and decompression in electronic devices
US7400683B2 (en) * 2003-11-18 2008-07-15 Lsi Corporation Device with virtual tilized image memory
US7904895B1 (en) 2004-04-21 2011-03-08 Hewlett-Packard Develpment Company, L.P. Firmware update in electronic devices employing update agent in a flash memory card
US7792188B2 (en) * 2004-06-27 2010-09-07 Apple Inc. Selecting encoding types and predictive modes for encoding video data
US8526940B1 (en) 2004-08-17 2013-09-03 Palm, Inc. Centralized rules repository for smart phone customer care
JP4501676B2 (ja) * 2004-12-22 2010-07-14 日本電気株式会社 動画像圧縮符号化方法と動画像圧縮符号化装置並びにプログラム
KR101441269B1 (ko) * 2005-09-26 2014-09-18 미쓰비시덴키 가부시키가이샤 동화상 복호 장치 및 동화상 복호 방법
JP4185086B2 (ja) * 2005-09-28 2008-11-19 株式会社日立国際電気 画像処理装置
WO2007146710A2 (en) 2006-06-08 2007-12-21 Hewlett-Packard Development Company, L.P. Device management in a network
US8752044B2 (en) 2006-07-27 2014-06-10 Qualcomm Incorporated User experience and dependency management in a mobile device
US8503527B2 (en) 2008-10-03 2013-08-06 Qualcomm Incorporated Video coding with large macroblocks
KR101624649B1 (ko) * 2009-08-14 2016-05-26 삼성전자주식회사 계층적인 부호화 블록 패턴 정보를 이용한 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
CN104602013B (zh) * 2009-10-01 2017-10-31 Sk电信有限公司 视频编码装置和方法
EP2348487A3 (de) * 2010-01-22 2017-09-13 Samsung Electronics Co., Ltd. Verfahren und Vorrichtung zur Erzeugung einer animierten Mitteilung
US8798131B1 (en) 2010-05-18 2014-08-05 Google Inc. Apparatus and method for encoding video using assumed values with intra-prediction
US9210442B2 (en) 2011-01-12 2015-12-08 Google Technology Holdings LLC Efficient transform unit representation
US9380319B2 (en) 2011-02-04 2016-06-28 Google Technology Holdings LLC Implicit transform unit representation
KR20180080365A (ko) * 2011-10-14 2018-07-11 어드밴스드 마이크로 디바이시즈, 인코포레이티드 영역-기반 이미지 압축
US9219915B1 (en) 2013-01-17 2015-12-22 Google Inc. Selection of transform size in video coding
US9967559B1 (en) 2013-02-11 2018-05-08 Google Llc Motion vector dependent spatial transformation in video coding
US9544597B1 (en) 2013-02-11 2017-01-10 Google Inc. Hybrid transform in video encoding and decoding
US9674530B1 (en) 2013-04-30 2017-06-06 Google Inc. Hybrid transforms in video coding
JP5719410B2 (ja) 2013-07-25 2015-05-20 日本電信電話株式会社 画像符号化方法、画像符号化装置及び画像符号化プログラム
US9565451B1 (en) 2014-10-31 2017-02-07 Google Inc. Prediction dependent transform coding
US9769499B2 (en) 2015-08-11 2017-09-19 Google Inc. Super-transform video coding
US10277905B2 (en) 2015-09-14 2019-04-30 Google Llc Transform selection for non-baseband signal coding
US9807423B1 (en) 2015-11-24 2017-10-31 Google Inc. Hybrid transform scheme for video coding
US11122297B2 (en) 2019-05-03 2021-09-14 Google Llc Using border-aligned block functions for image compression

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US4947447A (en) * 1986-04-24 1990-08-07 Hitachi, Ltd. Method for data coding
US5060285A (en) * 1989-05-19 1991-10-22 Gte Laboratories Incorporated Hierarchical variable block size address-vector quantization using inter-block correlation
US5241395A (en) * 1989-08-07 1993-08-31 Bell Communications Research, Inc. Adaptive transform coding using variable block size
KR0176448B1 (ko) * 1991-07-19 1999-05-01 강진구 이미지 코딩 방법 및 장치

Also Published As

Publication number Publication date
EP0725363B1 (de) 2004-01-14
EP0725363A2 (de) 1996-08-07
EP0725363A3 (de) 1997-07-30
US5903669A (en) 1999-05-11
JPH08205140A (ja) 1996-08-09

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