JP6896424B2 - パレットベースのビデオコーディングのためのカラーインデックスコーディング - Google Patents

パレットベースのビデオコーディングのためのカラーインデックスコーディング Download PDF

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JP6896424B2
JP6896424B2 JP2016544071A JP2016544071A JP6896424B2 JP 6896424 B2 JP6896424 B2 JP 6896424B2 JP 2016544071 A JP2016544071 A JP 2016544071A JP 2016544071 A JP2016544071 A JP 2016544071A JP 6896424 B2 JP6896424 B2 JP 6896424B2
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palette
block
video
coding
video data
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JP2017507537A5 (enExample
JP2017507537A (ja
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プ、ウェイ
カークゼウィックズ、マルタ
ソル・ロジャルス、ジョエル
グオ、リウェイ
ジョシ、ラジャン・ラクスマン
ゾウ、フェン
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Qualcomm Inc
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    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/583—Motion compensation with overlapping 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
    • H04N19/124—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
    • H04N19/127—Prioritisation of hardware or computational resources
    • 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
    • H04N19/18—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
    • H04N19/46—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/94—Vector 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
    • H04N19/90—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
    • H04N19/93—Run-length coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Color Television Systems (AREA)
JP2016544071A 2014-01-02 2014-12-31 パレットベースのビデオコーディングのためのカラーインデックスコーディング Active JP6896424B2 (ja)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201461923163P 2014-01-02 2014-01-02
US61/923,163 2014-01-02
US201461924141P 2014-01-06 2014-01-06
US61/924,141 2014-01-06
US201461969759P 2014-03-24 2014-03-24
US61/969,759 2014-03-24
US14/586,805 US9872040B2 (en) 2014-01-02 2014-12-30 Color index coding for palette-based video coding
US14/586,805 2014-12-30
PCT/US2014/072994 WO2015103390A1 (en) 2014-01-02 2014-12-31 Color index coding for palette-based video coding

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JP2017507537A JP2017507537A (ja) 2017-03-16
JP2017507537A5 JP2017507537A5 (enExample) 2018-01-25
JP6896424B2 true JP6896424B2 (ja) 2021-06-30

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JP2016544069A Active JP6556732B2 (ja) 2014-01-02 2014-12-31 パレットベースのビデオコーディングのためのカラーインデックスコーディング

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EP (2) EP3090554A1 (enExample)
JP (2) JP6896424B2 (enExample)
KR (2) KR102305988B1 (enExample)
CN (2) CN105874796B (enExample)
BR (2) BR112016015546B1 (enExample)
CA (1) CA2930174C (enExample)
ES (1) ES2702909T3 (enExample)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023182697A1 (ko) * 2022-03-22 2023-09-28 현대자동차주식회사 인접 정보 기반 팔레트 모드를 이용하는 비디오 코딩을 위한 방법 및 장치

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102275639B1 (ko) * 2013-10-14 2021-07-08 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 비디오 및 영상 코딩 및 디코딩에 대한 기본 색상 인덱스 맵 모드의 특징
US9872040B2 (en) * 2014-01-02 2018-01-16 Qualcomm Incorporated Color index coding for palette-based video coding
US9699468B2 (en) * 2014-02-10 2017-07-04 Microsoft Technology Licensing, Llc Adaptive screen and video coding scheme
US10542274B2 (en) 2014-02-21 2020-01-21 Microsoft Technology Licensing, Llc Dictionary encoding and decoding of screen content
US9560364B2 (en) * 2014-02-25 2017-01-31 Fingram Co., Ltd. Encoding image data with quantizing and inverse-quantizing pixel values
US11032553B2 (en) 2014-02-26 2021-06-08 Dolby Laboratories Licensing Corporation Luminance based coding tools for video compression
CN110572678B (zh) * 2014-03-14 2024-03-12 Vid拓展公司 调色板编码及解码视频数据的方法、编码设备及编码器
CN106471805A (zh) * 2014-05-09 2017-03-01 诺基亚技术有限公司 用于使用调色板编码进行视频编码和解码的方法和技术设备
US10038915B2 (en) * 2014-05-22 2018-07-31 Qualcomm Incorporated Escape sample coding in palette-based video coding
US10264285B2 (en) 2014-05-22 2019-04-16 Qualcomm Incorporated Coding runs in palette-based video coding
US10750198B2 (en) 2014-05-22 2020-08-18 Qualcomm Incorporated Maximum palette parameters in palette-based video coding
JP6404460B2 (ja) * 2014-05-23 2018-10-10 寰發股▲ふん▼有限公司ＨＦＩ Ｉｎｎｏｖａｔｉｏｎ Ｉｎｃ． パレットサイズシグナリング、および、条件付きのパレットエスケープフラグシグナリングの方法
WO2015180052A1 (zh) * 2014-05-28 2015-12-03 北京大学深圳研究生院 一种基于字典库的视频编解码方法及装置
CN105323583B (zh) * 2014-06-13 2019-11-15 财团法人工业技术研究院 编码方法、解码方法、编解码系统、编码器与解码器
KR101953482B1 (ko) * 2014-07-07 2019-02-28 에이치에프아이 이노베이션 인크. 인덱스 맵 부호화의 예측자로서 이스케이프 픽셀을 취급하는 방법
CN105874795B (zh) 2014-09-30 2019-11-29 微软技术许可有限责任公司 在波前并行处理被启用时对图片内预测模式的规则
US9807402B2 (en) 2014-10-06 2017-10-31 Industrial Technology Research Institute Method of color palette coding applicable to electronic device and electronic device using the same
WO2016123262A1 (en) * 2015-01-29 2016-08-04 Vid Scale, Inc. Escape color coding for palette coding mode
US9729885B2 (en) * 2015-02-11 2017-08-08 Futurewei Technologies, Inc. Apparatus and method for compressing color index map
CN106664405B (zh) 2015-06-09 2020-06-09 微软技术许可有限责任公司 用调色板模式对经逸出编码的像素的稳健编码/解码
GB2539486B (en) 2015-06-18 2019-07-31 Gurulogic Microsystems Oy Encoder, decoder and method employing palette compression
US10097842B2 (en) * 2015-09-18 2018-10-09 Qualcomm Incorporated Restriction of escape pixel signaled values in palette mode video coding
WO2018018486A1 (en) * 2016-07-28 2018-02-01 Mediatek Inc. Methods of reference quantization parameter derivation for signaling of quantization parameter in quad-tree plus binary tree structure
US10375398B2 (en) 2017-03-24 2019-08-06 Google Llc Lightfield compression for per-pixel, on-demand access by a graphics processing unit
CN115643399B (zh) 2017-08-22 2025-11-18 松下电器（美国）知识产权公司 图像编码器和图像解码器
US10659794B2 (en) * 2018-03-06 2020-05-19 Mediatek Inc. Apparatus and method for palette decoding
DE102018112215B3 (de) * 2018-04-30 2019-07-25 Basler Ag Quantisiererbestimmung, computerlesbares Medium und Vorrichtung, die mindestens zwei Quantisierer implementiert
WO2020006707A1 (en) * 2018-07-04 2020-01-09 Alibaba Group Holding Limited Palette-based residual coding for video compression system
CN113767629A (zh) * 2019-04-26 2021-12-07 华为技术有限公司 用于指示色度量化参数映射函数的方法和装置
CN114556931B (zh) * 2019-08-26 2023-08-08 Lg电子株式会社 基于调色板模式的图像或视频编码
WO2021040488A1 (ko) * 2019-08-29 2021-03-04 엘지전자 주식회사 팔레트 모드에서의 이스케이프 이진화 기반 영상 또는 비디오 코딩
US12069240B2 (en) * 2019-08-30 2024-08-20 Kt Corporation Video signal processing method and device
JP7358136B2 (ja) * 2019-09-17 2023-10-10 キヤノン株式会社 画像符号化装置、画像符号化方法、及びプログラム、画像復号装置、画像復号方法、及びプログラム
WO2021055114A1 (en) * 2019-09-20 2021-03-25 Alibaba Group Holding Limited Method and system for signaling chroma quantization parameter offset
US11076151B2 (en) 2019-09-30 2021-07-27 Ati Technologies Ulc Hierarchical histogram calculation with application to palette table derivation
CN114930833A (zh) * 2019-10-10 2022-08-19 北京达佳互联信息技术有限公司 使用调色板模式的视频编解码的方法和装置
WO2021087323A1 (en) * 2019-11-01 2021-05-06 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus of residual and coefficients coding
CN119172531A (zh) * 2019-12-03 2024-12-20 阿里巴巴（中国）有限公司 使用调色板模式的视频处理方法和装置
CN115086664B (zh) * 2021-03-13 2026-07-24 腾讯科技（深圳）有限公司 未匹配像素的解码方法、编码方法、解码器以及编码器
CN114374847B (zh) 2022-01-17 2024-06-25 海宁奕斯伟集成电路设计有限公司 图像压缩方法、装置、设备及计算机可读存储介质
CN117834892A (zh) 2022-09-29 2024-04-05 腾讯科技（深圳）有限公司 视频编码方法和装置、计算设备、存储介质及程序产品

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0674448B1 (en) 1994-03-25 2002-01-09 Nec Corporation Video image reproduction with high speed
JPH1188700A (ja) * 1997-09-04 1999-03-30 Hitachi Ltd カラー画像信号の符号化方法、復号化方法およびカラー画像処理装置
DE19817720A1 (de) 1998-04-21 1999-10-28 Heidelberger Druckmasch Ag Verfahren zur Bilddatenkomprimierung für Zwei-Farben-Bilder
US6411730B1 (en) 1999-01-15 2002-06-25 Adobe Systems Incorporated Histogram for generating a palette of colors
US7050492B1 (en) 1999-07-12 2006-05-23 Pixelon.Com, Inc. Matching of a reduced spectrum lighting source with video encoding program variables for increased data compression ratios
US6466274B1 (en) 1999-11-08 2002-10-15 Corporate Media Partners System and method for color palette translation
US6801220B2 (en) 2001-01-26 2004-10-05 International Business Machines Corporation Method and apparatus for adjusting subpixel intensity values based upon luminance characteristics of the subpixels for improved viewing angle characteristics of liquid crystal displays
US7136533B2 (en) 2002-12-19 2006-11-14 Hewlett-Packard Development Company, L.P. Color image compression with adaptive prediction
ATE450041T1 (de) 2004-03-26 2009-12-15 Lg Electronics Inc Aufzeichnungsmedium und verfahren und vorrichtung zum wiedergeben eines auf dem aufzeichnungsmedium aufgezeichneten textuntertitelstroms
JP2010045589A (ja) * 2008-08-12 2010-02-25 Ricoh Co Ltd 画像処理装置、画像処理方法およびプログラム
US8259816B2 (en) 2009-03-12 2012-09-04 MIST Innovations, Inc. System and method for streaming video to a mobile device
US20110119716A1 (en) 2009-03-12 2011-05-19 Mist Technology Holdings, Inc. System and Method for Video Distribution Management with Mobile Services
JP2011166213A (ja) 2010-02-04 2011-08-25 Canon Inc 画像処理装置
JP5614122B2 (ja) 2010-06-21 2014-10-29 富士ゼロックス株式会社 画像データ復号装置
US8976861B2 (en) * 2010-12-03 2015-03-10 Qualcomm Incorporated Separately coding the position of a last significant coefficient of a video block in video coding
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
US8611653B2 (en) 2011-01-28 2013-12-17 Eye Io Llc Color conversion based on an HVS model
US8582876B2 (en) * 2011-11-15 2013-11-12 Microsoft Corporation Hybrid codec for compound image compression
US10972742B2 (en) 2013-12-19 2021-04-06 Canon Kabushiki Kaisha Encoding process using a palette mode
US9872040B2 (en) * 2014-01-02 2018-01-16 Qualcomm Incorporated Color index coding for palette-based video coding
US9699468B2 (en) * 2014-02-10 2017-07-04 Microsoft Technology Licensing, Llc Adaptive screen and video coding scheme
WO2015133712A1 (ko) 2014-03-06 2015-09-11 삼성전자 주식회사 영상 복호화 방법 및 그 장치, 영상 부호화 방법 및 그 장치
US10091512B2 (en) * 2014-05-23 2018-10-02 Futurewei Technologies, Inc. Advanced screen content coding with improved palette table and index map coding methods
JP6532222B2 (ja) * 2014-11-28 2019-06-19 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023182697A1 (ko) * 2022-03-22 2023-09-28 현대자동차주식회사 인접 정보 기반 팔레트 모드를 이용하는 비디오 코딩을 위한 방법 및 장치

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US9872040B2 (en) 2018-01-16
HUE040502T2 (hu) 2019-03-28
CN105874796A (zh) 2016-08-17
WO2015103390A1 (en) 2015-07-09
US20150189319A1 (en) 2015-07-02
KR20160102071A (ko) 2016-08-26
WO2015103392A2 (en) 2015-07-09
BR112016015546B1 (pt) 2023-03-28
ES2702909T3 (es) 2019-03-06
US20150189302A1 (en) 2015-07-02
KR20160102072A (ko) 2016-08-26
US10362333B2 (en) 2019-07-23
KR102305988B1 (ko) 2021-09-27
JP2017501641A (ja) 2017-01-12
CN106068648A (zh) 2016-11-02
CA2930174A1 (en) 2015-07-09
BR112016015546A2 (pt) 2017-08-08
EP3090552A2 (en) 2016-11-09
CN106068648B (zh) 2019-01-11
WO2015103392A3 (en) 2015-09-03
CA2930174C (en) 2020-02-25
KR101977450B1 (ko) 2019-05-10
BR112016015432A2 (pt) 2017-08-08
EP3090552B1 (en) 2018-09-26
JP2017507537A (ja) 2017-03-16
JP6556732B2 (ja) 2019-08-07
EP3090554A1 (en) 2016-11-09
CN105874796B (zh) 2018-10-02

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