KR20190033521A - 최종 계수 코딩을 위한 진보된 cabac 콘텍스트 적응을 위한 방법 및 장치 - Google Patents

최종 계수 코딩을 위한 진보된 cabac 콘텍스트 적응을 위한 방법 및 장치 Download PDF

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KR20190033521A
KR20190033521A KR1020197001243A KR20197001243A KR20190033521A KR 20190033521 A KR20190033521 A KR 20190033521A KR 1020197001243 A KR1020197001243 A KR 1020197001243A KR 20197001243 A KR20197001243 A KR 20197001243A KR 20190033521 A KR20190033521 A KR 20190033521A
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세바스티앙 라세르
사우라브 푸리
패트릭 르 칼레
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인터디지털 브이씨 홀딩스 인코포레이티드
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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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • H04N19/10—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/169—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
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission

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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)
KR1020197001243A 2016-07-15 2017-07-12 최종 계수 코딩을 위한 진보된 cabac 콘텍스트 적응을 위한 방법 및 장치 Withdrawn KR20190033521A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16305918.1 2016-07-15
EP16305918.1A EP3270594A1 (en) 2016-07-15 2016-07-15 Method and apparatus for advanced cabac context adaptation for last coefficient coding
PCT/EP2017/067602 WO2018011295A1 (en) 2016-07-15 2017-07-12 Method and apparatus for advanced cabac context adaptation for last coefficient coding

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KR20190033521A true KR20190033521A (ko) 2019-03-29

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US (1) US20190253735A1 (https=)
EP (2) EP3270594A1 (https=)
JP (1) JP2019525576A (https=)
KR (1) KR20190033521A (https=)
CN (1) CN109417627A (https=)
WO (1) WO2018011295A1 (https=)

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EP3270595A1 (en) 2016-07-15 2018-01-17 Thomson Licensing Method and apparatus for last coefficient coding for adaptive transform based video compression
KR102558015B1 (ko) * 2017-04-13 2023-07-21 엘지전자 주식회사 영상의 부호화/복호화 방법 및 이를 위한 장치
KR102509347B1 (ko) * 2017-04-13 2023-03-14 엘지전자 주식회사 비디오 신호를 인코딩, 디코딩하는 방법 및 장치
CN114556932B (zh) * 2019-09-24 2023-05-23 北京达佳互联信息技术有限公司 用于视频编解码的无损编解码模式
US11336893B2 (en) * 2020-01-07 2022-05-17 Qualcomm Incorporated Context derivation and entropy coding initialization parameters for coordinates of last position coding in video coding
CN120358364A (zh) * 2021-04-12 2025-07-22 Oppo广东移动通信有限公司 系数编解码方法、编码器、解码器以及计算机存储介质
EP4338417A4 (en) * 2021-05-12 2025-03-26 Nokia Technologies Oy A method, an apparatus and a computer program product for video encoding and video decoding

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US6795584B2 (en) * 2002-10-03 2004-09-21 Nokia Corporation Context-based adaptive variable length coding for adaptive block transforms
ES2653160T3 (es) * 2010-07-09 2018-02-06 Samsung Electronics Co., Ltd. Procedimiento para decodificar por entropía coeficientes de transformación
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
US9042440B2 (en) * 2010-12-03 2015-05-26 Qualcomm Incorporated Coding the position of a last significant coefficient within a video block based on a scanning order for the block in video coding
US8446301B2 (en) * 2011-04-15 2013-05-21 Research In Motion Limited Methods and devices for coding and decoding the position of the last significant coefficient
EP2697974B1 (en) * 2011-04-15 2017-04-12 BlackBerry Limited Methods and devices for coding and decoding the position of the last significant coefficient
US10123053B2 (en) * 2011-05-23 2018-11-06 Texas Instruments Incorporated Acceleration of bypass binary symbol processing in video coding
CA2806796C (en) * 2011-06-24 2020-08-25 Panasonic Corporation Image coding and decoding using two-part horizontal and two-part vertical components of motion difference vectors
US9491469B2 (en) * 2011-06-28 2016-11-08 Qualcomm Incorporated Coding of last significant transform coefficient
US9807426B2 (en) * 2011-07-01 2017-10-31 Qualcomm Incorporated Applying non-square transforms to video data
US9357185B2 (en) * 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding
CN108235015A (zh) * 2011-11-08 2018-06-29 三星电子株式会社 用于对视频进行解码的设备
US9253481B2 (en) * 2012-01-13 2016-02-02 Qualcomm Incorporated Determining contexts for coding transform coefficient data in video coding
AU2013268588B2 (en) * 2012-06-01 2017-03-02 Sharp Kabushiki Kaisha Arithmetic decoding device, image decoding device, arithmetic encoding device, and image encoding device
CN104380737B (zh) * 2012-06-22 2018-10-26 夏普株式会社 算术解码装置
WO2014110651A1 (en) * 2013-01-16 2014-07-24 Blackberry Limited Transform coefficient coding for context-adaptive binary entropy coding of video
JP6197496B2 (ja) * 2013-08-30 2017-09-20 富士通株式会社 量子化装置、量子化方法および量子化プログラム

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EP3270594A1 (en) 2018-01-17
US20190253735A1 (en) 2019-08-15
WO2018011295A1 (en) 2018-01-18
JP2019525576A (ja) 2019-09-05
CN109417627A (zh) 2019-03-01
EP3485642A1 (en) 2019-05-22

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