CL2021002355A1 - Codificación de coeficiente para modo de omisión de transformación - Google Patents

Codificación de coeficiente para modo de omisión de transformación

Info

Publication number
CL2021002355A1
CL2021002355A1 CL2021002355A CL2021002355A CL2021002355A1 CL 2021002355 A1 CL2021002355 A1 CL 2021002355A1 CL 2021002355 A CL2021002355 A CL 2021002355A CL 2021002355 A CL2021002355 A CL 2021002355A CL 2021002355 A1 CL2021002355 A1 CL 2021002355A1
Authority
CL
Chile
Prior art keywords
coefficient
value
underlying
currently
skip mode
Prior art date
Application number
CL2021002355A
Other languages
English (en)
Spanish (es)
Inventor
Marta Karczewicz
Muhammed Zeyd Coban
Hongtao Wang
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of CL2021002355A1 publication Critical patent/CL2021002355A1/es

Links

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
    • 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
    • H04N19/10—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
    • H04N19/134—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
    • 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
    • H04N19/182—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 pixel
    • 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
    • H04N19/90—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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CL2021002355A 2019-03-11 2021-09-09 Codificación de coeficiente para modo de omisión de transformación CL2021002355A1 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962816745P 2019-03-11 2019-03-11
US201962850453P 2019-05-20 2019-05-20
US16/814,654 US11202100B2 (en) 2019-03-11 2020-03-10 Coefficient coding for transform skip mode

Publications (1)

Publication Number Publication Date
CL2021002355A1 true CL2021002355A1 (es) 2022-06-03

Family

ID=72424253

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2021002355A CL2021002355A1 (es) 2019-03-11 2021-09-09 Codificación de coeficiente para modo de omisión de transformación

Country Status (19)

Country Link
US (1) US11202100B2 (https=)
EP (1) EP3939284A1 (https=)
JP (1) JP7633174B2 (https=)
KR (1) KR20210134337A (https=)
CN (1) CN113545058B (https=)
AU (1) AU2020239051B2 (https=)
BR (1) BR112021017448A2 (https=)
CA (1) CA3130803A1 (https=)
CL (1) CL2021002355A1 (https=)
CO (1) CO2021011790A2 (https=)
IL (1) IL285621B2 (https=)
MX (1) MX2021011042A (https=)
MY (1) MY208410A (https=)
PH (1) PH12021551956A1 (https=)
SA (1) SA521430243B1 (https=)
SG (1) SG11202108728RA (https=)
TW (1) TWI848073B (https=)
WO (1) WO2020185875A1 (https=)
ZA (1) ZA202106737B (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3137163C (en) 2019-04-24 2024-05-14 Bytedance Inc. Constraints on quantized residual differential pulse code modulation representation of coded video
KR102707777B1 (ko) 2019-05-01 2024-09-20 바이트댄스 아이엔씨 양자화된 잔차 차동 펄스 코드 변조 코딩을 사용하는 인트라 코딩된 비디오
CN113785306B (zh) 2019-05-02 2024-06-14 字节跳动有限公司 基于编解码树结构类型的编解码模式
JP7288084B2 (ja) 2019-05-02 2023-06-06 バイトダンス インコーポレイテッド 変換スキップモードにおける信号通知
KR20220020263A (ko) * 2019-06-14 2022-02-18 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치, 부호화 방법, 및 복호 방법
WO2020253864A1 (en) 2019-06-21 2020-12-24 Beijing Bytedance Network Technology Co., Ltd. Selective enablement of adaptive in-loop color-space transform in video coding
KR102824491B1 (ko) * 2019-08-31 2025-06-25 엘지전자 주식회사 비디오 또는 영상 코딩 방법 및 그 장치
EP4024861A4 (en) * 2019-08-31 2023-06-28 LG Electronics Inc. Method for decoding video for residual coding and device therefor
CN118945359A (zh) * 2019-09-25 2024-11-12 松下电器（美国）知识产权公司 编码装置、解码装置和比特流
CN115152219B (zh) 2019-11-07 2026-04-17 抖音视界有限公司 视频编解码的自适应环内颜色空间变换的量化特性
CN119996712A (zh) * 2020-03-31 2025-05-13 Lg电子株式会社 图像解码方法、图像编码方法和图像数据发送方法
CN115428463A (zh) * 2020-04-02 2022-12-02 抖音视界有限公司 变换跳过模式下的系数编解码
US12439095B2 (en) * 2021-04-16 2025-10-07 Tencent America LLC Entropy coding of sign map for transform coefficients
US12526443B2 (en) * 2022-01-13 2026-01-13 Qualcomm Incorporated Coding video data using out-of-boundary motion vectors
JP2025504424A (ja) * 2022-01-13 2025-02-12 ノキア テクノロジーズ オサケユイチア クロス成分パラメータ決定のための装置、方法、およびコンピュータプログラム
US12464132B2 (en) * 2022-03-01 2025-11-04 Tencent America LLC Coefficient sign prediction for transform skip

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7626518B2 (en) * 2006-06-08 2009-12-01 Via Technologies, Inc. Decoding systems and methods in computational core of programmable graphics processing unit
US9106913B2 (en) * 2011-03-08 2015-08-11 Qualcomm Incorporated Coding of transform coefficients for video coding
PL3343781T3 (pl) * 2011-06-16 2022-03-28 Ge Video Compression, Llc Inicjalizacja kontekstu w kodowaniu entropijnym
US10390046B2 (en) * 2011-11-07 2019-08-20 Qualcomm Incorporated Coding significant coefficient information in transform skip mode
US9253481B2 (en) * 2012-01-13 2016-02-02 Qualcomm Incorporated Determining contexts for coding transform coefficient data in video coding
IL292629B2 (en) * 2012-01-20 2024-04-01 Ge Video Compression Llc Transform coefficient coding
US9621921B2 (en) 2012-04-16 2017-04-11 Qualcomm Incorporated Coefficient groups and coefficient coding for coefficient scans
US9426466B2 (en) 2012-06-22 2016-08-23 Qualcomm Incorporated Transform skip mode
US9538175B2 (en) * 2012-09-26 2017-01-03 Qualcomm Incorporated Context derivation for context-adaptive, multi-level significance coding
WO2014053428A1 (en) * 2012-10-01 2014-04-10 Telefonaktiebolaget L M Ericsson (Publ) Coding and decoding of transform skipped blocks
US9456210B2 (en) 2013-10-11 2016-09-27 Blackberry Limited Sign coding for blocks with transform skipped
US11233998B2 (en) * 2015-05-29 2022-01-25 Qualcomm Incorporated Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design
US10440399B2 (en) * 2015-11-13 2019-10-08 Qualcomm Incorporated Coding sign information of video data
US10623737B2 (en) * 2016-10-04 2020-04-14 Qualcomm Incorporated Peak sample adaptive offset
WO2018190595A1 (ko) * 2017-04-13 2018-10-18 엘지전자(주) 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치
EP3490253A1 (en) * 2017-11-23 2019-05-29 Thomson Licensing Encoding and decoding methods and corresponding devices
EP3503557A1 (en) * 2017-12-22 2019-06-26 Thomson Licensing Method and apparatus for video encoding and decoding based on context switching
US10506242B2 (en) * 2018-01-30 2019-12-10 Google Llc Efficient context model computation design in transform coefficient coding
US11019346B2 (en) * 2018-07-02 2021-05-25 Qualcomm Incorporated Coefficient coding with grouped bypass remaining levels for dependent quantization
KR102392701B1 (ko) * 2019-01-15 2022-04-28 엘지전자 주식회사 변환 스킵 플래그를 이용한 영상 코딩 방법 및 장치

Also Published As

Publication number Publication date
WO2020185875A1 (en) 2020-09-17
SG11202108728RA (en) 2021-09-29
TWI848073B (zh) 2024-07-11
US11202100B2 (en) 2021-12-14
JP2022523789A (ja) 2022-04-26
CN113545058A (zh) 2021-10-22
SA521430243B1 (ar) 2025-05-25
KR20210134337A (ko) 2021-11-09
IL285621B1 (en) 2024-01-01
PH12021551956A1 (en) 2022-07-18
JP7633174B2 (ja) 2025-02-19
EP3939284A1 (en) 2022-01-19
IL285621A (en) 2021-09-30
ZA202106737B (en) 2025-01-29
CO2021011790A2 (es) 2021-09-20
TW202041009A (zh) 2020-11-01
IL285621B2 (en) 2024-05-01
MX2021011042A (es) 2021-10-13
CN113545058B (zh) 2025-06-24
CA3130803A1 (en) 2020-09-17
MY208410A (en) 2025-05-08
BR112021017448A2 (pt) 2021-11-16
AU2020239051A1 (en) 2021-09-09
AU2020239051B2 (en) 2025-06-05
US20200296420A1 (en) 2020-09-17

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