JP2004533181A - デジタルイメージに対する選択的なクロミナンスデシメーション - Google Patents

デジタルイメージに対する選択的なクロミナンスデシメーション Download PDF

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Publication number
JP2004533181A
JP2004533181A JP2003501957A JP2003501957A JP2004533181A JP 2004533181 A JP2004533181 A JP 2004533181A JP 2003501957 A JP2003501957 A JP 2003501957A JP 2003501957 A JP2003501957 A JP 2003501957A JP 2004533181 A JP2004533181 A JP 2004533181A
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block
column
digital image
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function
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JP2003501957A
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English (en)
Japanese (ja)
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JP2004533181A5 (https=
Inventor
モーレイ、スティーブン・エー
ラビーンドラン、ビジャヤラクシュミ・アール
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Qualcomm Inc
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Qualcomm Inc
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Publication of JP2004533181A publication Critical patent/JP2004533181A/ja
Publication of JP2004533181A5 publication Critical patent/JP2004533181A5/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/169—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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/60—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
    • 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
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Color Television Systems (AREA)
  • Image Processing (AREA)
JP2003501957A 2001-06-05 2002-06-05 デジタルイメージに対する選択的なクロミナンスデシメーション Withdrawn JP2004533181A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/875,329 US7649947B2 (en) 2001-06-05 2001-06-05 Selective chrominance decimation for digital images
PCT/US2002/017814 WO2002100116A1 (en) 2001-06-05 2002-06-05 Selective chrominance decimation for digital images

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2008321273A Division JP4870743B2 (ja) 2001-06-05 2008-12-17 デジタルイメージに対する選択的なクロミナンスデシメーション

Publications (2)

Publication Number Publication Date
JP2004533181A true JP2004533181A (ja) 2004-10-28
JP2004533181A5 JP2004533181A5 (https=) 2006-01-05

Family

ID=25365608

Family Applications (2)

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JP2003501957A Withdrawn JP2004533181A (ja) 2001-06-05 2002-06-05 デジタルイメージに対する選択的なクロミナンスデシメーション
JP2008321273A Expired - Lifetime JP4870743B2 (ja) 2001-06-05 2008-12-17 デジタルイメージに対する選択的なクロミナンスデシメーション

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JP2008321273A Expired - Lifetime JP4870743B2 (ja) 2001-06-05 2008-12-17 デジタルイメージに対する選択的なクロミナンスデシメーション

Country Status (10)

Country Link
US (2) US7649947B2 (https=)
EP (1) EP1400128B1 (https=)
JP (2) JP2004533181A (https=)
KR (2) KR100962152B1 (https=)
CN (1) CN1572119B (https=)
AU (1) AU2002305838B2 (https=)
CA (1) CA2449448A1 (https=)
IL (1) IL159178A0 (https=)
MX (1) MXPA03011166A (https=)
WO (1) WO2002100116A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009153128A (ja) * 2001-06-05 2009-07-09 Qualcomm Inc デジタルイメージに対する選択的なクロミナンスデシメーション
JP2010531609A (ja) * 2007-06-27 2010-09-24 サムスン エレクトロニクス カンパニー リミテッド 映像データ符号化及び／または復号化の方法、記録媒体、及び装置

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7982796B2 (en) * 2001-03-21 2011-07-19 Apple Inc. Track for improved video compression
US7555171B2 (en) * 2004-03-15 2009-06-30 Sharp Laboratories Of America, Inc. Systems and methods for down scaling a bitmap
JP4444180B2 (ja) * 2005-07-20 2010-03-31 株式会社東芝 テクスチャ符号化装置、テクスチャ復号化装置、方法、およびプログラム
JP4635016B2 (ja) * 2007-02-16 2011-02-16 株式会社東芝 情報処理装置およびインター予測モード判定方法
JP4922101B2 (ja) * 2007-08-21 2012-04-25 株式会社東芝 情報処理装置およびインター予測モード判定方法
WO2009032255A2 (en) * 2007-09-04 2009-03-12 The Regents Of The University Of California Hierarchical motion vector processing method, software and devices
JP5195032B2 (ja) * 2008-05-28 2013-05-08 富士通株式会社 符号化装置／復号化装置、符号化方法／復号化方法及びプログラム
KR101619972B1 (ko) 2008-10-02 2016-05-11 한국전자통신연구원 이산 여현 변환/이산 정현 변환을 선택적으로 이용하는 부호화/복호화 장치 및 방법
JP2010199751A (ja) * 2009-02-23 2010-09-09 Sony Corp 通信システム、通信装置、及びパケット長の制御方法
JP5741076B2 (ja) 2010-12-09 2015-07-01 ソニー株式会社 画像処理装置及び画像処理方法
GB2497749B (en) * 2011-12-19 2015-09-30 Canon Kk Method of processing uncompressed video frames and corresponding wireless stations
GB2497751B (en) * 2011-12-19 2015-03-04 Canon Kk Method of transmitting video information over a wireless multi-path communication link and corresponding wireless station
US9106936B2 (en) 2012-01-25 2015-08-11 Altera Corporation Raw format image data processing
US9978156B2 (en) * 2012-10-03 2018-05-22 Avago Technologies General Ip (Singapore) Pte. Ltd. High-throughput image and video compression
US9363517B2 (en) 2013-02-28 2016-06-07 Broadcom Corporation Indexed color history in image coding
KR20170020733A (ko) * 2014-06-12 2017-02-24 에이2젯로직스, 인코포레이티드 이미지 데이터에서 데시메이팅된 컬러 채널들의 송신, 수신, 및 복원을 위한 시스템 및 방법
US9819937B1 (en) 2015-04-14 2017-11-14 Teradici Corporation Resource-aware desktop image decimation method and apparatus
CN113077525A (zh) * 2021-02-06 2021-07-06 西南交通大学 一种基于频域对比学习的图像分类方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4963030A (en) * 1989-11-29 1990-10-16 California Institute Of Technology Distributed-block vector quantization coder
US5107345A (en) 1990-02-27 1992-04-21 Qualcomm Incorporated Adaptive block size image compression method and system
US5021891A (en) 1990-02-27 1991-06-04 Qualcomm, Inc. Adaptive block size image compression method and system
DE69222766T2 (de) 1991-06-04 1998-05-07 Qualcomm, Inc., San Diego, Calif. System zur adaptiven kompression der blockgrössen eines bildes
JPH05316364A (ja) 1992-05-13 1993-11-26 Oki Electric Ind Co Ltd 画像の直交変換符号化方式
US5367629A (en) 1992-12-18 1994-11-22 Sharevision Technology, Inc. Digital video compression system utilizing vector adaptive transform
WO1995007004A1 (fr) * 1993-08-30 1995-03-09 Sony Corporation Dispositif et procede pour le codage de donnees d'images
JP2884389B2 (ja) * 1994-12-05 1999-04-19 日本テレビ放送網株式会社 変換装置
JPH08205140A (ja) 1995-01-31 1996-08-09 Canon Inc 画像圧縮装置
US6064450A (en) * 1995-12-06 2000-05-16 Thomson Licensing S.A. Digital video preprocessor horizontal and vertical filters
JP3681835B2 (ja) * 1995-12-27 2005-08-10 三菱電機株式会社 画像符号化装置及び画像復号化装置及び符号化・復号化システム
US6026217A (en) * 1996-06-21 2000-02-15 Digital Equipment Corporation Method and apparatus for eliminating the transpose buffer during a decomposed forward or inverse 2-dimensional discrete cosine transform through operand decomposition storage and retrieval
US5781241A (en) * 1996-11-08 1998-07-14 Chrontel, Inc. Apparatus and method to convert computer graphics signals to television video signals with vertical and horizontal scaling requiring no frame buffers
DE19709976C1 (de) * 1997-03-11 1998-10-01 Siemens Ag Schaltungsanordnung zur Filterung und Dezimation eines Videosignals
WO1998041024A1 (en) * 1997-03-12 1998-09-17 Matsushita Electric Industrial Co., Ltd. Image encoding/decoding system
JPH10257492A (ja) 1997-03-12 1998-09-25 Matsushita Electric Ind Co Ltd 画像符号化方法および画像復号化方法
US6184936B1 (en) * 1997-10-06 2001-02-06 Sigma Designs, Inc. Multi-function USB capture chip using bufferless data compression
US5973740A (en) * 1997-10-27 1999-10-26 International Business Machines Corporation Multi-format reduced memory video decoder with adjustable polyphase expansion filter
KR100367831B1 (ko) * 1998-06-30 2003-01-10 주식회사 팬택앤큐리텔 영상의 색차신호 필터링 방법 및 장치
JP3982076B2 (ja) 1998-08-19 2007-09-26 ソニー株式会社 データ処理装置および方法
US6487249B2 (en) * 1998-10-09 2002-11-26 Matsushita Electric Industrial Co., Ltd. Efficient down conversion system for 2:1 decimation
US6529634B1 (en) * 1999-11-08 2003-03-04 Qualcomm, Inc. Contrast sensitive variance based adaptive block size DCT image compression
US7649947B2 (en) * 2001-06-05 2010-01-19 Qualcomm Incorporated Selective chrominance decimation for digital images

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009153128A (ja) * 2001-06-05 2009-07-09 Qualcomm Inc デジタルイメージに対する選択的なクロミナンスデシメーション
US7965775B2 (en) 2001-06-05 2011-06-21 Qualcomm, Incorporated Selective chrominance decimation for digital images
JP2010531609A (ja) * 2007-06-27 2010-09-24 サムスン エレクトロニクス カンパニー リミテッド 映像データ符号化及び／または復号化の方法、記録媒体、及び装置

Also Published As

Publication number Publication date
KR20090068388A (ko) 2009-06-26
KR20040003055A (ko) 2004-01-07
AU2002305838B2 (en) 2007-11-22
US7649947B2 (en) 2010-01-19
KR101084512B1 (ko) 2011-11-18
JP2009153128A (ja) 2009-07-09
KR100962152B1 (ko) 2010-06-10
EP1400128A4 (en) 2009-12-02
EP1400128A1 (en) 2004-03-24
US7965775B2 (en) 2011-06-21
CN1572119B (zh) 2013-09-18
IL159178A0 (en) 2004-06-01
WO2002100116A1 (en) 2002-12-12
US20020186765A1 (en) 2002-12-12
EP1400128B1 (en) 2012-08-08
MXPA03011166A (es) 2004-03-26
US20090103637A1 (en) 2009-04-23
CA2449448A1 (en) 2002-12-12
JP4870743B2 (ja) 2012-02-08
CN1572119A (zh) 2005-01-26

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