IL159178A0 - Selective chrominance decimation for digital images - Google Patents

Selective chrominance decimation for digital images

Info

Publication number
IL159178A0
IL159178A0 IL15917802A IL15917802A IL159178A0 IL 159178 A0 IL159178 A0 IL 159178A0 IL 15917802 A IL15917802 A IL 15917802A IL 15917802 A IL15917802 A IL 15917802A IL 159178 A0 IL159178 A0 IL 159178A0
Authority
IL
Israel
Prior art keywords
digital images
decimation
selective
selective chrominance
chrominance decimation
Prior art date
Application number
IL15917802A
Other languages
English (en)
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IL159178A0 publication Critical patent/IL159178A0/xx

Links

Classifications

    • 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

Landscapes

  • 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)
IL15917802A 2001-06-05 2002-06-05 Selective chrominance decimation for digital images IL159178A0 (en)

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

Publications (1)

Publication Number Publication Date
IL159178A0 true IL159178A0 (en) 2004-06-01

Family

ID=25365608

Family Applications (1)

Application Number Title Priority Date Filing Date
IL15917802A IL159178A0 (en) 2001-06-05 2002-06-05 Selective chrominance decimation for digital images

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=)

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US7982796B2 (en) * 2001-03-21 2011-07-19 Apple Inc. Track for improved video compression
US7649947B2 (en) * 2001-06-05 2010-01-19 Qualcomm Incorporated Selective chrominance decimation for digital images
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
KR20080114388A (ko) * 2007-06-27 2008-12-31 삼성전자주식회사 스케일러블 영상 부호화장치 및 방법과 그 영상 복호화장치및 방법
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

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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
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JP2884389B2 (ja) * 1994-12-05 1999-04-19 日本テレビ放送網株式会社 変換装置
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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
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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

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
JP2004533181A (ja) 2004-10-28
CN1572119B (zh) 2013-09-18
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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