BRPI0909007A2 - quantização por distorção de taxa para codificação de comprimento variável de - Google Patents

quantização por distorção de taxa para codificação de comprimento variável de

Info

Publication number
BRPI0909007A2
BRPI0909007A2 BRPI0909007A BRPI0909007A BRPI0909007A2 BR PI0909007 A2 BRPI0909007 A2 BR PI0909007A2 BR PI0909007 A BRPI0909007 A BR PI0909007A BR PI0909007 A BRPI0909007 A BR PI0909007A BR PI0909007 A2 BRPI0909007 A2 BR PI0909007A2
Authority
BR
Brazil
Prior art keywords
variable length
length coding
rate distortion
distortion quantization
quantization
Prior art date
Application number
BRPI0909007A
Other languages
English (en)
Inventor
Karczewicz Marta
Chen Peisong
Ye Yan
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 BRPI0909007A2 publication Critical patent/BRPI0909007A2/pt

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
    • H04N19/10—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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BRPI0909007A 2008-04-11 2009-04-10 quantização por distorção de taxa para codificação de comprimento variável de BRPI0909007A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4423208P 2008-04-11 2008-04-11
US12/338,838 US8902972B2 (en) 2008-04-11 2008-12-18 Rate-distortion quantization for context-adaptive variable length coding (CAVLC)
PCT/US2009/040258 WO2009126919A1 (en) 2008-04-11 2009-04-10 Rate-distortion quantization for context-adaptive variable length coding (cavlc)

Publications (1)

Publication Number Publication Date
BRPI0909007A2 true BRPI0909007A2 (pt) 2019-09-24

Family

ID=40678903

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0909007A BRPI0909007A2 (pt) 2008-04-11 2009-04-10 quantização por distorção de taxa para codificação de comprimento variável de

Country Status (10)

Country Link
US (1) US8902972B2 (pt)
EP (1) EP2277315A1 (pt)
JP (1) JP5185436B2 (pt)
KR (1) KR101232420B1 (pt)
CN (2) CN102017633B (pt)
BR (1) BRPI0909007A2 (pt)
CA (1) CA2720697A1 (pt)
RU (1) RU2480940C2 (pt)
TW (1) TW201004357A (pt)
WO (1) WO2009126919A1 (pt)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8902972B2 (en) * 2008-04-11 2014-12-02 Qualcomm Incorporated Rate-distortion quantization for context-adaptive variable length coding (CAVLC)
KR20100079037A (ko) * 2008-12-30 2010-07-08 삼성전자주식회사 비디오 영상 부호화 방법 및 장치
JP5334070B2 (ja) * 2009-02-13 2013-11-06 ブラックベリー リミテッド 画像処理における均衡ピクセル領域ひずみ分布を有する適合量子化
WO2010091504A1 (en) * 2009-02-13 2010-08-19 Research In Motion Limited In-loop deblocking for intra-coded images or frames
CA2751803A1 (en) * 2009-02-13 2010-08-19 Research In Motion Limited Modified entropy encoding for images and videos
JP5045845B2 (ja) * 2009-03-13 2012-10-10 日本電気株式会社 画像識別子抽出装置
JP2011041037A (ja) * 2009-08-12 2011-02-24 Sony Corp 画像処理装置および方法
JP5579852B2 (ja) * 2009-09-10 2014-08-27 ドルビー ラボラトリーズ ライセンシング コーポレイション レート歪み最適化された量子化のための高速化技法
JP5423469B2 (ja) * 2010-02-23 2014-02-19 沖電気工業株式会社 量子化装置、プログラム及び方法、並びに、動画像符号化装置
KR101418104B1 (ko) * 2010-03-08 2014-07-16 에스케이 텔레콤주식회사 움직임 벡터 해상도 조합을 이용한 움직임 벡터 부호화/복호화 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치
RS56512B1 (sr) 2010-04-13 2018-02-28 Ge Video Compression Llc Kodiranje mapa značaja i blokova koeficijenata transformacije
GB2481856A (en) * 2010-07-09 2012-01-11 British Broadcasting Corp Picture coding using weighted predictions in the transform domain
US9497472B2 (en) 2010-11-16 2016-11-15 Qualcomm Incorporated Parallel context calculation in video coding
US9049444B2 (en) 2010-12-22 2015-06-02 Qualcomm Incorporated Mode dependent scanning of coefficients of a block of video data
US20120163456A1 (en) 2010-12-22 2012-06-28 Qualcomm Incorporated Using a most probable scanning order to efficiently code scanning order information for a video block in video coding
JP2012156867A (ja) * 2011-01-27 2012-08-16 Toshiba Corp 逆離散コサイン変換装置、復号装置、及び画像処理装置
US8442338B2 (en) 2011-02-28 2013-05-14 Sony Corporation Visually optimized quantization
US9894353B2 (en) * 2011-06-13 2018-02-13 Sun Patent Trust Method and apparatus for encoding and decoding video using intra prediction mode dependent adaptive quantization matrix
US9756360B2 (en) 2011-07-19 2017-09-05 Qualcomm Incorporated Coefficient scanning in video coding
US9503750B2 (en) * 2011-11-04 2016-11-22 Futurewei Technologies, Inc. Binarization of prediction residuals for lossless video coding
GB201119175D0 (en) * 2011-11-07 2011-12-21 Sony Corp Context adaptive data encoding
GB2501115B (en) * 2012-04-13 2015-02-18 Canon Kk Methods for segmenting and encoding an image, and corresponding devices
US9491475B2 (en) * 2012-03-29 2016-11-08 Magnum Semiconductor, Inc. Apparatuses and methods for providing quantized coefficients for video encoding
US10230956B2 (en) * 2012-09-26 2019-03-12 Integrated Device Technology, Inc. Apparatuses and methods for optimizing rate-distortion of syntax elements
US10277907B2 (en) * 2012-10-25 2019-04-30 Integrated Device Technology, Inc. Rate-distortion optimizers and optimization techniques including joint optimization of multiple color components
US9392286B2 (en) * 2013-03-15 2016-07-12 Magnum Semiconductor, Inc. Apparatuses and methods for providing quantized coefficients for video encoding
US9565440B2 (en) * 2013-06-25 2017-02-07 Vixs Systems Inc. Quantization parameter adjustment based on sum of variance and estimated picture encoding cost
US20150085922A1 (en) * 2013-09-25 2015-03-26 Magnum Semiconductor, Inc. Apparatuses and methods for reducing rate and distortion costs during encoding by modulating a lagrangian parameter
US10356405B2 (en) * 2013-11-04 2019-07-16 Integrated Device Technology, Inc. Methods and apparatuses for multi-pass adaptive quantization
US9794575B2 (en) 2013-12-18 2017-10-17 Magnum Semiconductor, Inc. Apparatuses and methods for optimizing rate-distortion costs in video encoding
EP2980793A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder, system and methods for encoding and decoding
KR102338980B1 (ko) 2015-03-23 2021-12-13 삼성전자주식회사 플리커를 제거하기 위해 양자화 계수를 조절할 수 있은 인코더와 이를 포함하는 장치
US20170064298A1 (en) * 2015-09-02 2017-03-02 Blackberry Limited Video coding with delayed reconstruction
WO2017138352A1 (en) * 2016-02-08 2017-08-17 Sharp Kabushiki Kaisha Systems and methods for transform coefficient coding
US11451840B2 (en) * 2018-06-18 2022-09-20 Qualcomm Incorporated Trellis coded quantization coefficient coding

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2240263T3 (es) 1997-02-08 2005-10-16 Matsushita Electric Industrial Co., Ltd. Matriz de cuantificacion para el codificado de imagenes fijas y en movimiento.
JP3234830B2 (ja) 1997-02-08 2001-12-04 松下電器産業株式会社 デコード方法
US6118822A (en) 1997-12-01 2000-09-12 Conexant Systems, Inc. Adaptive entropy coding in adaptive quantization framework for video signal coding systems and processes
KR100311473B1 (ko) 1999-01-20 2001-11-02 구자홍 트렐리스 기반의 적응적 양자화기에서 최적경로 추적 방법
US6535647B1 (en) 1999-03-25 2003-03-18 General Dynamics Decision Systems, Inc. Image encoder method
US6909746B2 (en) * 2001-03-30 2005-06-21 Koninklijke Philips Electronics N.V. Fast robust data compression method and system
CN1586042A (zh) 2001-11-22 2005-02-23 松下电器产业株式会社 可变长编码方法以及可变长译码方法
DE60347000C5 (de) 2002-01-22 2020-08-06 Nokia Technologies Oy Codierungstransformationskoeffizienten in bild-/videocodierern und/oder -decodierern
US7099387B2 (en) 2002-03-22 2006-08-29 Realnetorks, Inc. Context-adaptive VLC video transform coefficients encoding/decoding methods and apparatuses
US6795584B2 (en) 2002-10-03 2004-09-21 Nokia Corporation Context-based adaptive variable length coding for adaptive block transforms
CN100353768C (zh) 2003-11-26 2007-12-05 联发科技股份有限公司 在视频压缩系统中进行运动估测的方法及相关装置
EP1766783B1 (en) * 2004-07-14 2011-11-02 Slipstream Data Inc. Method, system and computer program product for optimization of data compression
CN101032081B (zh) * 2004-07-14 2010-05-26 喷流数据有限公司 用于数据压缩优化的方法和系统
US8379721B2 (en) 2005-09-22 2013-02-19 Qualcomm Incorported Two pass rate control techniques for video coding using a min-max approach
KR100753282B1 (ko) 2005-12-28 2007-08-29 엘지전자 주식회사 Ｃａｖｌｃ 디코딩을 위한 ｖｌｃ 테이블 선택방법 및 그ｃａｖｌｃ 디코딩방법
PL2950543T3 (pl) 2006-01-09 2018-03-30 Matthias Narroschke Kodowanie adaptacyjne błędu prognozowania w hybrydowym kodowaniu wideo
US8005140B2 (en) * 2006-03-17 2011-08-23 Research In Motion Limited Soft decision and iterative video coding for MPEG and H.264
US8184712B2 (en) 2006-04-30 2012-05-22 Hewlett-Packard Development Company, L.P. Robust and efficient compression/decompression providing for adjustable division of computational complexity between encoding/compression and decoding/decompression
JP4660433B2 (ja) 2006-06-29 2011-03-30 株式会社東芝 符号化回路、復号回路、エンコーダ回路、デコーダ回路、ｃａｂａｃ処理方法
US7957600B2 (en) * 2007-05-08 2011-06-07 Arris Group, Inc. Methods and systems for rate-distortion optimized quantization of transform blocks in block transform video coding
US8891615B2 (en) 2008-01-08 2014-11-18 Qualcomm Incorporated Quantization based on rate-distortion modeling for CABAC coders
US8902972B2 (en) * 2008-04-11 2014-12-02 Qualcomm Incorporated Rate-distortion quantization for context-adaptive variable length coding (CAVLC)

Also Published As

Publication number Publication date
RU2480940C2 (ru) 2013-04-27
KR20100133007A (ko) 2010-12-20
CN102017633B (zh) 2013-08-14
US8902972B2 (en) 2014-12-02
WO2009126919A1 (en) 2009-10-15
JP5185436B2 (ja) 2013-04-17
CN102017633A (zh) 2011-04-13
CN103179395A (zh) 2013-06-26
EP2277315A1 (en) 2011-01-26
TW201004357A (en) 2010-01-16
RU2010145912A (ru) 2012-05-20
CA2720697A1 (en) 2009-10-15
CN103179395B (zh) 2016-03-09
KR101232420B1 (ko) 2013-02-12
US20090257489A1 (en) 2009-10-15
JP2011517911A (ja) 2011-06-16

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Legal Events

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B08F Application fees: dismissal - article 86 of industrial property law
B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2543 DE 01-10-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.