JP2019525576A - 最後の係数符号化のための高度なｃａｂａｃコンテキスト適応のための方法及び装置 - Google Patents

最後の係数符号化のための高度なｃａｂａｃコンテキスト適応のための方法及び装置 Download PDF

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JP2019525576A
JP2019525576A JP2019500820A JP2019500820A JP2019525576A JP 2019525576 A JP2019525576 A JP 2019525576A JP 2019500820 A JP2019500820 A JP 2019500820A JP 2019500820 A JP2019500820 A JP 2019500820A JP 2019525576 A JP2019525576 A JP 2019525576A
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coordinate
transform
coefficient
entropy
value
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JP2019525576A5 (enExample
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ラセール，セバスチャン
プリ，サウラブ
カレ，パトリック ル
カレ，パトリック ル
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インターデジタル ヴイシー ホールディングス， インコーポレイテッド
インターデジタル ヴイシー ホールディングス， インコーポレイテッド
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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
    • H04N19/13—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
    • H04N19/12—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
    • H04N19/132—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)
JP2019500820A 2016-07-15 2017-07-12 最後の係数符号化のための高度なｃａｂａｃコンテキスト適応のための方法及び装置 Withdrawn JP2019525576A (ja)

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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JP2019525576A true JP2019525576A (ja) 2019-09-05
JP2019525576A5 JP2019525576A5 (enExample) 2020-08-20

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

Cited By (2)

* Cited by examiner, † Cited by third party
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WO2021062019A1 (en) * 2019-09-24 2021-04-01 Beijing Dajia Internet Information Technology Co., Ltd. Lossless coding modes for video coding
JP7489776B2 (ja) 2016-07-15 2024-05-24 インターデジタル ヴイシー ホールディングス， インコーポレイテッド 適応変換ベースのビデオ圧縮のための最後の係数符号化

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RU2746706C1 (ru) * 2017-04-13 2021-04-19 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство кодирования/декодирования изображений
US11240536B2 (en) * 2017-04-13 2022-02-01 Lg Electronics Inc. Method and device for entropy encoding, decoding video signal
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
PL4325864T3 (pl) * 2021-04-12 2026-06-22 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Sposób kodowania/dekodowania współczynnika, koder, dekoder i komputerowy nośnik danych
US12368890B2 (en) 2021-05-12 2025-07-22 Nokia Technologies Oy 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
WO2012005551A2 (ko) * 2010-07-09 2012-01-12 삼성전자 주식회사 변환 계수의 엔트로피 부호화/복호화 방법 및 장치
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
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
CA2832086C (en) * 2011-04-15 2018-10-23 Blackberry Limited Methods and devices for coding and decoding the position of the last significant coefficient
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
US10123053B2 (en) * 2011-05-23 2018-11-06 Texas Instruments Incorporated Acceleration of bypass binary symbol processing in video coding
KR102258753B1 (ko) * 2011-06-24 2021-05-31 벨로스 미디어 인터내셔널 리미티드 화상 부호화 방법, 화상 복호방법, 화상 부호화 장치, 화상 복호장치 및 화상 부호화 복호장치
US9167253B2 (en) * 2011-06-28 2015-10-20 Qualcomm Incorporated Derivation of the position in scan order of the last significant transform coefficient in video coding
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US9357185B2 (en) * 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding
TWI590649B (zh) * 2011-11-08 2017-07-01 三星電子股份有限公司 視訊之算術解碼裝置
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WO2013190990A1 (ja) * 2012-06-22 2013-12-27 シャープ株式会社 算術復号装置、算術符号化装置、画像復号装置、および画像符号化装置
CN108259900B (zh) * 2013-01-16 2021-01-01 黑莓有限公司 针对视频的上下文自适应二进制熵编码的变换系数编码
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7489776B2 (ja) 2016-07-15 2024-05-24 インターデジタル ヴイシー ホールディングス， インコーポレイテッド 適応変換ベースのビデオ圧縮のための最後の係数符号化
WO2021062019A1 (en) * 2019-09-24 2021-04-01 Beijing Dajia Internet Information Technology Co., Ltd. Lossless coding modes for video coding

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Publication number Publication date
KR20190033521A (ko) 2019-03-29
EP3270594A1 (en) 2018-01-17
US20190253735A1 (en) 2019-08-15
EP3485642A1 (en) 2019-05-22
CN109417627A (zh) 2019-03-01
WO2018011295A1 (en) 2018-01-18

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