JP5806219B2 - ビデオ符号化及び復号化における埋め込み量子化パラメータ調整方法及び装置 - Google Patents

ビデオ符号化及び復号化における埋め込み量子化パラメータ調整方法及び装置 Download PDF

Info

Publication number
JP5806219B2
JP5806219B2 JP2012533130A JP2012533130A JP5806219B2 JP 5806219 B2 JP5806219 B2 JP 5806219B2 JP 2012533130 A JP2012533130 A JP 2012533130A JP 2012533130 A JP2012533130 A JP 2012533130A JP 5806219 B2 JP5806219 B2 JP 5806219B2
Authority
JP
Japan
Prior art keywords
block
quantization
image
quantization parameter
reconstructed data
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
JP2012533130A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013507086A (ja
JP2013507086A5 (enExample
Inventor
シャオアン ルー
シャオアン ルー
ソーレ ジョエル
ソーレ ジョエル
イン　ペン
ペン イン
チアン シュー
チアン シュー
ユンフェイ チェン
ユンフェイ チェン
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of JP2013507086A publication Critical patent/JP2013507086A/ja
Publication of JP2013507086A5 publication Critical patent/JP2013507086A5/ja
Application granted granted Critical
Publication of JP5806219B2 publication Critical patent/JP5806219B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04N19/134—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
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • 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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/134—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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H04N19/197—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including determination of the initial value of an encoding parameter
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2012533130A 2009-10-05 2010-09-29 ビデオ符号化及び復号化における埋め込み量子化パラメータ調整方法及び装置 Expired - Fee Related JP5806219B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US24854109P 2009-10-05 2009-10-05
US61/248,541 2009-10-05
PCT/US2010/002630 WO2011043793A1 (en) 2009-10-05 2010-09-29 Methods and apparatus for embedded quantization parameter adjustment in video encoding and decoding

Publications (3)

Publication Number Publication Date
JP2013507086A JP2013507086A (ja) 2013-02-28
JP2013507086A5 JP2013507086A5 (enExample) 2013-11-14
JP5806219B2 true JP5806219B2 (ja) 2015-11-10

Family

ID=43416234

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012533130A Expired - Fee Related JP5806219B2 (ja) 2009-10-05 2010-09-29 ビデオ符号化及び復号化における埋め込み量子化パラメータ調整方法及び装置

Country Status (6)

Country Link
US (3) US9819952B2 (enExample)
EP (1) EP2486730A1 (enExample)
JP (1) JP5806219B2 (enExample)
KR (1) KR101873356B1 (enExample)
CN (1) CN102577379B (enExample)
WO (1) WO2011043793A1 (enExample)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9819952B2 (en) 2009-10-05 2017-11-14 Thomson Licensing Dtv Methods and apparatus for embedded quantization parameter adjustment in video encoding and decoding
US10897625B2 (en) * 2009-11-20 2021-01-19 Texas Instruments Incorporated Block artifact suppression in video coding
US9235774B2 (en) 2010-06-10 2016-01-12 Thomson Licensing Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters
KR102032940B1 (ko) 2011-03-11 2019-10-16 소니 주식회사 화상 처리 장치, 화상 처리 방법 및 컴퓨터 판독가능 기록 매체
RU2582864C1 (ru) 2011-12-13 2016-04-27 ДжейВиСи КЕНВУД КОРПОРЕЙШН Устройство, способ и программа кодирования движущихся изображений, и устройство, способ и программа декодирования движущихся изображений
CN103975592B (zh) * 2011-12-15 2018-03-06 寰发股份有限公司 反量化变换系数的方法及装置
RU2595917C2 (ru) 2011-12-15 2016-08-27 Томсон Лайсенсинг Способ и устройство для измерения качества видео
CN103959780B (zh) * 2011-12-15 2017-10-13 寰发股份有限公司 量化电平截取装置及方法
WO2013086724A1 (en) * 2011-12-15 2013-06-20 Mediatek Singapore Pte. Ltd. Method of clippling transformed coefficients before de-quantization
TWI638564B (zh) * 2011-12-21 2018-10-11 Ｊｖｃ建伍股份有限公司 Dynamic image decoding device, dynamic image decoding method, and recording medium recorded with dynamic image decoding program
US10812829B2 (en) 2012-10-03 2020-10-20 Avago Technologies International Sales Pte. Limited 2D block image encoding
US9883180B2 (en) * 2012-10-03 2018-01-30 Avago Technologies General Ip (Singapore) Pte. Ltd. Bounded rate near-lossless and lossless image compression
US9805442B2 (en) 2012-10-03 2017-10-31 Avago Technologies General Ip (Singapore) Pte. Ltd. Fine-grained bit-rate control
US9978156B2 (en) 2012-10-03 2018-05-22 Avago Technologies General Ip (Singapore) Pte. Ltd. High-throughput image and video compression
US9813711B2 (en) 2012-10-03 2017-11-07 Avago Technologies General Ip (Singapore) Pte. Ltd. Hybrid transform-based compression
US20140105278A1 (en) * 2012-10-16 2014-04-17 Microsoft Corporation Color adaptation in video coding
US9363517B2 (en) 2013-02-28 2016-06-07 Broadcom Corporation Indexed color history in image coding
US20140269901A1 (en) * 2013-03-13 2014-09-18 Magnum Semiconductor, Inc. Method and apparatus for perceptual macroblock quantization parameter decision to improve subjective visual quality of a video signal
US9204150B2 (en) 2014-02-26 2015-12-01 Intel Corporation Techniques for evaluating compressed motion video quality
CN105338352B (zh) * 2014-07-24 2019-04-19 华为技术有限公司 一种视频编码中自适应反量化方法及装置
KR102365685B1 (ko) * 2015-01-05 2022-02-21 삼성전자주식회사 인코더의 작동 방법과 상기 인코더를 포함하는 장치들
US9979969B2 (en) * 2015-04-24 2018-05-22 Fingram Co., Ltd. Method and system for image compression using image block characteristics
FR3035760B1 (fr) * 2015-04-29 2018-05-11 Digigram Video & Broadcast Systeme et procede d'encodage d'une sequence video
US10715802B2 (en) * 2015-09-29 2020-07-14 Lg Electronics Inc. Method for encoding/decoding video signal by using single optimized graph
KR102503900B1 (ko) * 2015-10-05 2023-02-27 삼성전자주식회사 양자화 파라미터를 적응적으로 결정하는 인코더 및 이를 포함하는 애플리케이션 프로세서
US11206401B2 (en) 2016-02-11 2021-12-21 Samsung Electronics Co., Ltd. Video encoding method and device and video decoding method and device
KR20240104228A (ko) * 2016-07-14 2024-07-04 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 변환 기반 잔차 코딩을 이용한 예측 화상 코딩
US12212751B1 (en) * 2017-05-09 2025-01-28 Cinova Media Video quality improvements system and method for virtual reality
EP3649782A4 (en) * 2017-07-05 2021-04-14 Telefonaktiebolaget LM Ericsson (PUBL) DECODING A BLOCK OF VIDEO SAMPLE
US20200322606A1 (en) * 2017-10-24 2020-10-08 Sharp Kabushiki Kaisha Systems and methods for determining quantization parameter predictive values
CN109819253B (zh) * 2017-11-21 2022-04-22 腾讯科技（深圳）有限公司 视频编码方法、装置、计算机设备和存储介质
US11259023B2 (en) * 2018-04-12 2022-02-22 Qualcomm Incorporated Harmonization of transform-based quantization and dynamic range adjustment scale derivation in video coding
CN113366839B (zh) * 2019-01-31 2024-01-12 北京字节跳动网络技术有限公司 视频编解码中的细化量化步骤
US11259035B2 (en) * 2019-03-15 2022-02-22 Ati Technologies Ulc Macroblock coding type prediction
US10924741B2 (en) * 2019-04-15 2021-02-16 Novatek Microelectronics Corp. Method of determining quantization parameters
CN113994666B (zh) * 2019-06-06 2025-01-03 北京字节跳动网络技术有限公司 隐式选择变换候选
WO2020244663A1 (en) 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Applicability of implicit transform selection
CN113950829B (zh) 2019-06-06 2025-01-10 北京字节跳动网络技术有限公司 简化的变换编解码工具
CN119299690A (zh) * 2019-06-28 2025-01-10 Lg 电子株式会社 用于解码图像的方法及其装置
US11509897B2 (en) 2020-08-07 2022-11-22 Samsung Display Co., Ltd. Compression with positive reconstruction error
US11503322B2 (en) 2020-08-07 2022-11-15 Samsung Display Co., Ltd. DPCM codec with higher reconstruction quality on important gray levels
US11683490B2 (en) * 2020-09-10 2023-06-20 Tencent America LLC Context adaptive transform set
US12096030B2 (en) 2020-12-23 2024-09-17 Tencent America LLC Method and apparatus for video coding
CN114913249B (zh) * 2021-02-08 2025-05-13 华为技术有限公司 编码、解码方法和相关设备
US20230412806A1 (en) * 2022-06-16 2023-12-21 Nokia Technologies Oy Apparatus, method and computer program product for quantizing neural networks

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5592228A (en) * 1993-03-04 1997-01-07 Kabushiki Kaisha Toshiba Video encoder using global motion estimation and polygonal patch motion estimation
DE69939055D1 (de) * 1998-03-05 2008-08-21 Matsushita Electric Industrial Co Ltd Verfahren zur bildkodierung, verfahren zur bildkodierung/-dekodierung, bildkodierer, oder vorrichtung zur bildaufzeichnung/-wiedergabe
EP1005233A1 (en) * 1998-10-12 2000-05-31 STMicroelectronics S.r.l. Constant bit-rate coding control in a video coder by way of pre-analysis of the slices of the pictures
US6192080B1 (en) * 1998-12-04 2001-02-20 Mitsubishi Electric Research Laboratories, Inc. Motion compensated digital video signal processing
EP1032212A3 (en) * 1999-02-23 2004-04-28 Matsushita Electric Industrial Co., Ltd. Transcoder, transcoding system, and recording medium
US6363113B1 (en) * 1999-06-07 2002-03-26 Lucent Technologies Inc. Methods and apparatus for context-based perceptual quantization
JP4385841B2 (ja) * 2004-04-22 2009-12-16 ソニー株式会社 画像処理装置
US7894530B2 (en) * 2004-05-07 2011-02-22 Broadcom Corporation Method and system for dynamic selection of transform size in a video decoder based on signal content
US20060056508A1 (en) * 2004-09-03 2006-03-16 Phillippe Lafon Video coding rate control
JP2007081474A (ja) 2005-09-09 2007-03-29 Toshiba Corp 画像符号化装置及び方法
US8199812B2 (en) * 2007-01-09 2012-06-12 Qualcomm Incorporated Adaptive upsampling for scalable video coding
US20080230949A1 (en) 2007-03-23 2008-09-25 Paul Razgunas Injection molding process for forming coated molded parts
FR2914125A1 (fr) * 2007-03-23 2008-09-26 Thomson Licensing Sas Procede de traitement d'image et dispositif de codage implementant ledit procede.
US8995522B2 (en) * 2007-04-13 2015-03-31 Apple Inc. Method and system for rate control
US8488672B2 (en) * 2007-04-17 2013-07-16 Qualcomm Incorporated Mode uniformity signaling for intra-coding
US20100040153A1 (en) * 2007-05-07 2010-02-18 Panasonic Corporation Decoding apparatus and decoding method
US8488668B2 (en) * 2007-06-15 2013-07-16 Qualcomm Incorporated Adaptive coefficient scanning for video coding
JP2009111691A (ja) * 2007-10-30 2009-05-21 Hitachi Ltd 画像符号化装置及び符号化方法、画像復号化装置及び復号化方法
US9113194B2 (en) * 2007-12-19 2015-08-18 Arris Technology, Inc. Method and system for interleaving video and data for transmission over a network at a selected bit rate
US8542730B2 (en) * 2008-02-22 2013-09-24 Qualcomm, Incorporated Fast macroblock delta QP decision
US9819952B2 (en) 2009-10-05 2017-11-14 Thomson Licensing Dtv Methods and apparatus for embedded quantization parameter adjustment in video encoding and decoding
US8630341B2 (en) * 2011-01-14 2014-01-14 Mitsubishi Electric Research Laboratories, Inc. Method for training and utilizing separable transforms for video coding
TWI638564B (zh) * 2011-12-21 2018-10-11 Ｊｖｃ建伍股份有限公司 Dynamic image decoding device, dynamic image decoding method, and recording medium recorded with dynamic image decoding program
US9363517B2 (en) * 2013-02-28 2016-06-07 Broadcom Corporation Indexed color history in image coding

Also Published As

Publication number Publication date
CN102577379A (zh) 2012-07-11
KR101873356B1 (ko) 2018-07-02
CN102577379B (zh) 2017-12-19
US20180091817A1 (en) 2018-03-29
JP2013507086A (ja) 2013-02-28
US20120183053A1 (en) 2012-07-19
US10194154B2 (en) 2019-01-29
US9819952B2 (en) 2017-11-14
WO2011043793A1 (en) 2011-04-14
EP2486730A1 (en) 2012-08-15
KR20120083368A (ko) 2012-07-25
US20180091822A1 (en) 2018-03-29

Similar Documents

Publication Publication Date Title
JP5806219B2 (ja) ビデオ符号化及び復号化における埋め込み量子化パラメータ調整方法及び装置
JP7228012B2 (ja) 複数の隣接する量子化パラメータから量子化パラメータ予測子を決定する方法及び装置
JP5749710B2 (ja) 映像符号化及び復号化のための、改善された量子化の丸めのオフセットを調節する方法及び装置
CN104704824B (zh) 分层去块参数适配
US8848788B2 (en) Method and apparatus for joint quantization parameter adjustment
KR20120093288A (ko) 움직임 정보의 적응적 코딩 방법 및 장치
WO2025250367A1 (en) Hardware friendly block level adaptive weighted prediction

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130930

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20130930

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20140806

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20140812

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20141112

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20141119

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150212

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20150407

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150707

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20150804

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20150903

R150 Certificate of patent or registration of utility model

Ref document number: 5806219

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

LAPS Cancellation because of no payment of annual fees