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

Info

Publication number
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
Authority
JP
Japan
Prior art keywords
coordinate
transform
coefficient
entropy
value
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.)
Withdrawn
Application number
JP2019500820A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019525576A5 (enExample
Inventor
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
Original Assignee
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
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 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 filed Critical 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
Publication of JP2019525576A publication Critical patent/JP2019525576A/ja
Publication of JP2019525576A5 publication Critical patent/JP2019525576A5/ja
Withdrawn legal-status Critical Current

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
    • H04N19/60—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

Landscapes

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

Publications (2)

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

Family

ID=56511499

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019500820A Withdrawn JP2019525576A (ja) 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

Country Status (6)

Country Link
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
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11240536B2 (en) * 2017-04-13 2022-02-01 Lg Electronics Inc. Method and device for entropy encoding, decoding video signal
AU2018252853A1 (en) * 2017-04-13 2019-12-05 Lg Electronics Inc. Image encoding/decoding method and device therefor
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
MX2023012034A (es) 2021-04-12 2023-10-23 Guangdong Oppo Mobile Telecommunications Corp Ltd Metodo de codificacion de coeficiente, codificador, decodificador y medio de almacenamiento de computadora.
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

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6795584B2 (en) * 2002-10-03 2004-09-21 Nokia Corporation Context-based adaptive variable length coding for adaptive block transforms
HUE036472T2 (hu) * 2010-07-09 2018-07-30 Samsung Electronics Co Ltd Eljárás transzformációs együtthatók entrópia dekódolására
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
CN103597838B (zh) * 2011-04-15 2017-03-29 黑莓有限公司 对末位有效系数的位置进行编码和解码的方法和设备
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
PL3309969T3 (pl) * 2011-06-24 2023-09-18 Sun Patent Trust Sposób i urządzenie kodujące obraz
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
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
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
US20130182772A1 (en) * 2012-01-13 2013-07-18 Qualcomm Incorporated Determining contexts for coding transform coefficient data in video coding
WO2013180023A1 (ja) * 2012-06-01 2013-12-05 シャープ株式会社 算術復号装置、画像復号装置、算術符号化装置、および画像符号化装置
EP2866443A4 (en) * 2012-06-22 2016-06-15 Sharp Kk ARITHMETIC DECODING DEVICE, ARITHMETIC CODING DEVICE, IMAGE DECODING DEVICE AND IMAGE DEVICES
CN104272735B (zh) * 2013-01-16 2018-04-13 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

Also Published As

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

Similar Documents

Publication Publication Date Title
US10021420B2 (en) Method and apparatus for entropy encoding/decoding a transform coefficient
CN104471934B (zh) 对视频进行熵编码的方法和设备以及对视频进行熵解码的方法和设备
JP2019525576A (ja) 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
CN107835432B (zh) 对视频编码的方法和设备以及对视频解码的方法和设备
CN105612750B (zh) 用于在跳过变换的情况下对块的符号编码
CN105723714A (zh) 用于在跳过变换的情况下对块的符号编码
CN104365099A (zh) 用于变换系数等级的熵编码和熵解码的参数更新方法以及使用该方法的变换系数等级的熵编码装置和熵解码装置
CN104041052A (zh) 确定用于变换系数级别熵编码和熵解码的上下文模型的方法和设备
US12192487B2 (en) Last coefficient coding for adaptive transform based video compression
US10091529B2 (en) Method and apparatus for entropy encoding/decoding a transform coefficient
WO2015194185A1 (en) Efficient palette coding for screen content codings
CN105872550B (zh) 用于编码和解码的多级有效图
KR102402532B1 (ko) 간단한 로컬 예측기를 사용하는 개선된 유의 플래그 코딩을 위한 방법 및 장치
EP2680580A1 (en) Reduced worst-case context-coded bins in video compression with parity hiding
EP4349016A1 (en) Quantization level binarization in video coding

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200709

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200709

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20200924