CN113453019B - 解码视频数据的方法和装置 - Google Patents

解码视频数据的方法和装置 Download PDF

Info

Publication number
CN113453019B
CN113453019B CN202110709660.7A CN202110709660A CN113453019B CN 113453019 B CN113453019 B CN 113453019B CN 202110709660 A CN202110709660 A CN 202110709660A CN 113453019 B CN113453019 B CN 113453019B
Authority
CN
China
Prior art keywords
transform
block
type
value
video
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.)
Active
Application number
CN202110709660.7A
Other languages
English (en)
Chinese (zh)
Other versions
CN113453019A (zh
Inventor
V.谢廖金
赵欣
陈建乐
A.赛义德
M.卡切维奇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
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 CN113453019A publication Critical patent/CN113453019A/zh
Application granted granted Critical
Publication of CN113453019B publication Critical patent/CN113453019B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/16Threshold monitoring
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/16Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter for a given display mode, e.g. for interlaced or progressive display mode
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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 colour or a chrominance component
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/40Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H04N19/426Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
    • H04N19/428Recompression, e.g. by spatial or temporal decimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • H04N19/463Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202110709660.7A 2016-05-03 2017-05-03 解码视频数据的方法和装置 Active CN113453019B (zh)

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
US201662331290P 2016-05-03 2016-05-03
US62/331,290 2016-05-03
US201662332425P 2016-05-05 2016-05-05
US62/332,425 2016-05-05
US201662337310P 2016-05-16 2016-05-16
US62/337,310 2016-05-16
US201662340949P 2016-05-24 2016-05-24
US62/340,949 2016-05-24
US201662365853P 2016-07-22 2016-07-22
US62/365,853 2016-07-22
US15/584,859 US10708164B2 (en) 2016-05-03 2017-05-02 Binarizing secondary transform index
US15/584,859 2017-05-02
CN201780026951.8A CN109076230B (zh) 2016-05-03 2017-05-03 解码视频数据的方法和装置
PCT/US2017/030815 WO2017192705A1 (en) 2016-05-03 2017-05-03 Binarizing secondary transform index

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201780026951.8A Division CN109076230B (zh) 2016-05-03 2017-05-03 解码视频数据的方法和装置

Publications (2)

Publication Number Publication Date
CN113453019A CN113453019A (zh) 2021-09-28
CN113453019B true CN113453019B (zh) 2025-05-06

Family

ID=58699315

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202110709660.7A Active CN113453019B (zh) 2016-05-03 2017-05-03 解码视频数据的方法和装置
CN201780026951.8A Active CN109076230B (zh) 2016-05-03 2017-05-03 解码视频数据的方法和装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201780026951.8A Active CN109076230B (zh) 2016-05-03 2017-05-03 解码视频数据的方法和装置

Country Status (8)

Country Link
US (2) US10708164B2 (https=)
EP (1) EP3453176B1 (https=)
JP (1) JP6960943B2 (https=)
KR (1) KR102575798B1 (https=)
CN (2) CN113453019B (https=)
CA (1) CA3018197A1 (https=)
TW (1) TWI755394B (https=)
WO (1) WO2017192705A1 (https=)

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102605285B1 (ko) * 2015-08-19 2023-11-24 엘지전자 주식회사 다중 그래프 기반 모델에 따라 최적화된 변환을 이용하여 비디오 신호를 인코딩/디코딩하는 방법 및 장치
KR20170058837A (ko) * 2015-11-19 2017-05-29 한국전자통신연구원 화면내 예측모드 부호화/복호화 방법 및 장치
EP4192009A1 (en) 2015-11-19 2023-06-07 LX Semicon Co., Ltd. Method and apparatus for encoding/decoding intra prediction mode
US10708164B2 (en) 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index
US10630974B2 (en) * 2017-05-30 2020-04-21 Google Llc Coding of intra-prediction modes
JP2019017066A (ja) * 2017-07-03 2019-01-31 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America 符号化装置、復号装置、符号化方法及び復号方法
WO2019065488A1 (ja) * 2017-09-28 2019-04-04 シャープ株式会社 画像復号装置および画像符号化装置
WO2019117634A1 (ko) * 2017-12-15 2019-06-20 엘지전자 주식회사 2차 변환에 기반한 영상 코딩 방법 및 그 장치
KR20250107949A (ko) * 2017-12-15 2025-07-14 엘지전자 주식회사 비분리 2차 변환에 기반한 영상 코딩 방법 및 그 장치
KR102489149B1 (ko) * 2017-12-21 2023-01-17 엘지전자 주식회사 선택적 변환에 기반한 영상 코딩 방법 및 그 장치
US10567801B2 (en) * 2018-03-07 2020-02-18 Tencent America LLC Method and apparatus for video coding with primary and secondary transforms
MY208069A (en) * 2018-03-07 2025-04-11 Huawei Tech Co Ltd Method and apparatus for harmonizing multiple sign bit hiding and residual sign prediction
US10491914B2 (en) * 2018-03-29 2019-11-26 Tencent America LLC Transform information prediction
WO2019194503A1 (ko) * 2018-04-01 2019-10-10 엘지전자 주식회사 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치
KR102846149B1 (ko) * 2018-04-01 2025-08-12 엘지전자 주식회사 축소된 2차 변환을 이용하여 비디오 신호를 처리하는 방법 및 장치
US11350118B2 (en) 2018-05-30 2022-05-31 Digitalinsights Inc. Image encoding/decoding method and device
US10645396B2 (en) * 2018-06-04 2020-05-05 Tencent America LLC Method and apparatus for implicit transform splitting
US11356702B2 (en) 2018-06-06 2022-06-07 Lg Electronics Inc. Method for performing transform index coding on basis of intra prediction mode, and device therefor
US10567752B2 (en) 2018-07-02 2020-02-18 Tencent America LLC Method and apparatus for intra prediction for non-square blocks in video compression
CN112400322B (zh) 2018-07-02 2023-04-14 Lg电子株式会社 基于二次变换处理视频信号的方法和设备
WO2020009556A1 (ko) * 2018-07-06 2020-01-09 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
KR20250067947A (ko) * 2018-09-02 2025-05-15 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
EP3836543A1 (en) * 2018-09-02 2021-06-16 Lg Electronics Inc. Image coding method based on multiple transform selection and device therefor
JP7052075B2 (ja) 2018-09-02 2022-04-11 エルジー エレクトロニクス インコーポレイティド 映像信号を処理するための方法および装置
CN115514974B (zh) 2018-09-05 2025-04-01 Lg电子株式会社 对视频信号进行解码/编码及发送数据的方法及介质
EP3857894A4 (en) * 2018-10-08 2022-09-07 HFI Innovation Inc. METHOD AND APPARATUS FOR CODING THE LAST SIGNIFICANT COEFFICIENT IN IMAGE AND VIDEO CODING
US11128866B2 (en) 2018-10-18 2021-09-21 Qualcomm Incorporated Scans and last coefficient position coding for zero-out transforms
WO2020103901A1 (en) * 2018-11-21 2020-05-28 Huawei Technologies Co., Ltd. Intra prediction method and device
CN113170197B (zh) * 2018-12-06 2023-07-18 Lg电子株式会社 基于二次变换的图像编码方法及其装置
CN113228685B (zh) * 2018-12-19 2023-08-04 Lg电子株式会社 用于基于二次变换编码图像的方法及其装置
CN113261291B (zh) * 2018-12-22 2024-07-26 北京字节跳动网络技术有限公司 基于多个参数的两步交叉分量预测模式
US11470329B2 (en) * 2018-12-26 2022-10-11 Tencent America LLC Method and apparatus for video coding
CN113316934B (zh) * 2019-01-25 2024-03-08 寰发股份有限公司 带有变换块级别约束的变换系数编码的方法和设备
KR102772255B1 (ko) 2019-02-01 2025-02-25 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
US10986339B2 (en) * 2019-02-08 2021-04-20 Tencent America LLC Method and apparatus for harmonization between transform skip mode and multiple transform selection
WO2020182093A1 (en) 2019-03-08 2020-09-17 Beijing Bytedance Network Technology Co., Ltd. Signaling of reshaping information in video processing
CN113574895B (zh) * 2019-03-11 2024-01-30 腾讯美国有限责任公司 视频编解码方法、装置及存储介质
AU2019201649A1 (en) * 2019-03-11 2020-10-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a tree of blocks of video samples
US11025909B2 (en) * 2019-03-21 2021-06-01 Tencent America LLC Method and apparatus for video coding
KR102862055B1 (ko) * 2019-03-26 2025-09-19 베이징 시아오미 모바일 소프트웨어 컴퍼니 리미티드 변환에 기반한 영상 코딩 방법 및 그 장치
US11172211B2 (en) * 2019-04-04 2021-11-09 Tencent America LLC Method and apparatus for video coding
US11943476B2 (en) * 2019-04-16 2024-03-26 Hfi Innovation Inc. Methods and apparatuses for coding video data with adaptive secondary transform signaling
EP3949423A4 (en) 2019-04-16 2023-04-12 HFI Innovation Inc. METHODS AND APPARATUS FOR ENCODING VIDEO DATA USING SECONDARY TRANSFORMATION
BR112021019675A2 (pt) 2019-04-23 2021-12-07 Beijing Bytedance Network Tech Co Ltd Método para processamento de mídia visual, aparelho codificador de vídeo, aparelho decodificador de vídeo, e, mídia legível por computador
CN113767627B (zh) 2019-04-23 2022-11-25 北京字节跳动网络技术有限公司 基于二次变换的视频处理中的裁剪操作
TWI906218B (zh) * 2019-04-24 2025-12-01 美商松下電器(美國)知識產權公司 編碼裝置及編碼方法
US11445174B2 (en) * 2019-05-06 2022-09-13 Tencent America LLC Method and apparatus for video coding
WO2020228670A1 (en) 2019-05-10 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Luma based secondary transform matrix selection for video processing
KR20200132766A (ko) * 2019-05-15 2020-11-25 주식회사 엑스리스 영상 신호 부호화/복호화 방법 및 이를 위한 장치
US11032572B2 (en) 2019-05-17 2021-06-08 Qualcomm Incorporated Low-frequency non-separable transform signaling based on zero-out patterns for video coding
US11641471B2 (en) 2019-05-27 2023-05-02 Lg Electronics Inc. Image coding method and device on basis of wide-angle intra prediction and transform
US11218728B2 (en) * 2019-06-04 2022-01-04 Tencent America LLC Method and apparatus for video coding
CN113940070B (zh) * 2019-06-06 2023-11-21 Lg电子株式会社 基于变换的图像解码和编码方法及发送比特流的方法
CN117354521A (zh) 2019-06-07 2024-01-05 北京字节跳动网络技术有限公司 视频比特流中的简化二次变换的有条件信令
US11695960B2 (en) 2019-06-14 2023-07-04 Qualcomm Incorporated Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding
US11303913B2 (en) * 2019-06-19 2022-04-12 Qualcomm Incorporated Decoded picture buffer indexing
WO2020256345A1 (ko) * 2019-06-19 2020-12-24 엘지전자 주식회사 영상 코딩 시스템에서 변환 커널 세트에 관한 정보에 대한 컨텍스트 코딩
EP3989562B1 (en) * 2019-06-19 2024-05-22 Lg Electronics Inc. Coding of information about transform kernel set
CN119484834A (zh) * 2019-06-19 2025-02-18 Lg 电子株式会社 图像编译中指示变换核集的信息的信令
KR102860992B1 (ko) 2019-06-20 2025-09-16 엘지전자 주식회사 루마 맵핑 기반 비디오 또는 영상 코딩
US11949870B2 (en) * 2019-06-21 2024-04-02 Qualcomm Incorporated Context modeling for low-frequency non-separable transformation signaling for video coding
CN119996688A (zh) 2019-06-21 2025-05-13 韩国电子通信研究院 图像编码/解码方法和设备
JP6912522B2 (ja) * 2019-06-24 2021-08-04 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
CN112135148B (zh) 2019-06-25 2022-05-10 华为技术有限公司 非可分离变换方法以及设备
KR102745245B1 (ko) * 2019-06-25 2024-12-23 삼성전자주식회사 2차 변환을 이용하는 비디오 신호 처리 방법 및 장치
CN114208183B (zh) 2019-08-03 2025-01-10 北京字节跳动网络技术有限公司 视频的缩减二次变换中基于位置的模式导出
WO2021032045A1 (en) * 2019-08-17 2021-02-25 Beijing Bytedance Network Technology Co., Ltd. Context modeling of side information for reduced secondary transforms in video
US11677984B2 (en) * 2019-08-20 2023-06-13 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) signaling
US11323743B2 (en) * 2019-08-26 2022-05-03 Tencent America LLC Interaction between CU partitions and sub-block transform
BR112022004724A2 (pt) * 2019-09-20 2022-06-14 Lg Electronics Inc Método de codificação de imagem com base na transformada e dispositivo para o mesmo
EP4032306A1 (en) 2019-09-20 2022-07-27 Nokia Technologies Oy An apparatus, a method and a computer program for video coding and decoding
MX2022003998A (es) * 2019-10-04 2022-04-26 Lg Electronics Inc Metodo de codificacion de imagenes a base de transformacion, y aparato para el mismo.
CN117714715A (zh) 2019-10-08 2024-03-15 Lg电子株式会社 图像解码设备、图像编码设备和数据发送设备
JP7402016B2 (ja) * 2019-11-06 2023-12-20 オッポ広東移動通信有限公司 画像復号装置及び画像符号化装置
AU2019275552B2 (en) * 2019-12-03 2022-10-13 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a coding tree unit
WO2021115235A1 (en) * 2019-12-08 2021-06-17 Beijing Bytedance Network Technology Co., Ltd. Cross-component prediction using multiple components
US11869223B2 (en) * 2020-01-08 2024-01-09 Apple Inc. In-tree geometry quantization of point clouds
CN114981842B (zh) 2020-01-09 2025-08-19 苹果公司 点云的树内几何量化
US12231685B2 (en) 2020-02-25 2025-02-18 Hfi Innovation Inc. Methods and apparatus for secondary transform signaling in video coding
CN115606182B (zh) 2020-03-25 2026-02-06 抖音视界有限公司 使用增强二次变换的编解码视频处理
JP7360984B2 (ja) * 2020-03-31 2023-10-13 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
CN115086657B (zh) 2021-03-14 2025-03-14 腾讯科技(深圳)有限公司 视频编解码方法、装置、计算机可读介质及电子设备
DE112022004854T5 (de) * 2021-12-09 2024-08-14 Apple Inc. Codieren und decodieren von videoinhalt unter verwendung von vorhersagebewusster flexibler skip-codierung
WO2024107210A1 (en) * 2022-11-15 2024-05-23 Google Llc Dc only transform coefficient mode for image and video coding

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102204251A (zh) * 2008-10-03 2011-09-28 高通股份有限公司 使用大于4×4和8×8的变换的视频译码
CN102939755A (zh) * 2010-04-13 2013-02-20 弗兰霍菲尔运输应用研究公司 显著性图和变换系数块的编码
CN103329523A (zh) * 2010-12-29 2013-09-25 高通股份有限公司 使用经映射变换和扫描模式的视频译码
CN103636225A (zh) * 2011-06-30 2014-03-12 高通股份有限公司 用信号发送用于叶层级译码单元的子集的变换系数的语法元素

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7599435B2 (en) * 2004-01-30 2009-10-06 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video frame encoding and decoding
US8619853B2 (en) * 2007-06-15 2013-12-31 Qualcomm Incorporated Separable directional transforms
HUE037656T2 (hu) * 2010-04-13 2018-09-28 Fraunhofer Ges Forschung Valószínûség intervallum partícionáló kódoló és dekódoló
US9215470B2 (en) * 2010-07-09 2015-12-15 Qualcomm Incorporated Signaling selected directional transform for video coding
US9641846B2 (en) * 2010-10-22 2017-05-02 Qualcomm Incorporated Adaptive scanning of transform coefficients for video coding
CN107529709B (zh) * 2011-06-16 2019-05-07 Ge视频压缩有限责任公司 解码器、编码器、解码和编码视频的方法及存储介质
WO2013002585A2 (ko) * 2011-06-28 2013-01-03 삼성전자 주식회사 엔트로피 부호화/복호화 방법 및 장치
HUE050522T2 (hu) * 2011-06-28 2020-12-28 Samsung Electronics Co Ltd Video kódolási és dekódolási eljárás felhasználva aritmetikai kódolást az utolsó szignifikáns együttható kétdimenziós jelzésével
CN103650510B (zh) * 2011-07-15 2018-05-22 谷歌技术控股有限责任公司 用于变换系数级编码的上下文建模技术
US9357185B2 (en) * 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding
US8552890B2 (en) * 2012-01-19 2013-10-08 Sharp Laboratories Of America, Inc. Lossless coding with different parameter selection technique for CABAC in HEVC
US9363510B2 (en) * 2012-03-02 2016-06-07 Qualcomm Incorporated Scan-based sliding window in context derivation for transform coefficient coding
US9538172B2 (en) 2012-04-11 2017-01-03 Qualcomm Incorporated Grouping bypass coded syntax elements in video coding
US9264706B2 (en) * 2012-04-11 2016-02-16 Qualcomm Incorporated Bypass bins for reference index coding in video coding
US9584802B2 (en) * 2012-04-13 2017-02-28 Texas Instruments Incorporated Reducing context coded and bypass coded bins to improve context adaptive binary arithmetic coding (CABAC) throughput
US11025922B2 (en) * 2012-06-13 2021-06-01 Texas Instruments Incorporated Inverse transformation using pruning for video coding
WO2017138393A1 (en) 2016-02-08 2017-08-17 Sharp Kabushiki Kaisha Systems and methods for intra prediction coding
CN109417620B (zh) * 2016-03-25 2021-04-27 松下知识产权经营株式会社 用于使用信号依赖型自适应量化将运动图像编码及解码的方法及装置
US10708164B2 (en) 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102204251A (zh) * 2008-10-03 2011-09-28 高通股份有限公司 使用大于4×4和8×8的变换的视频译码
CN102939755A (zh) * 2010-04-13 2013-02-20 弗兰霍菲尔运输应用研究公司 显著性图和变换系数块的编码
CN103329523A (zh) * 2010-12-29 2013-09-25 高通股份有限公司 使用经映射变换和扫描模式的视频译码
CN103636225A (zh) * 2011-06-30 2014-03-12 高通股份有限公司 用信号发送用于叶层级译码单元的子集的变换系数的语法元素

Also Published As

Publication number Publication date
US20170324643A1 (en) 2017-11-09
CA3018197A1 (en) 2017-11-09
US20200236030A1 (en) 2020-07-23
EP3453176A1 (en) 2019-03-13
CN113453019A (zh) 2021-09-28
EP3453176B1 (en) 2023-08-30
JP2019515561A (ja) 2019-06-06
US10708164B2 (en) 2020-07-07
CN109076230A (zh) 2018-12-21
US11496385B2 (en) 2022-11-08
CN109076230B (zh) 2021-07-23
JP6960943B2 (ja) 2021-11-05
WO2017192705A1 (en) 2017-11-09
KR20190003950A (ko) 2019-01-10
KR102575798B1 (ko) 2023-09-07
TWI755394B (zh) 2022-02-21
TW201742458A (zh) 2017-12-01
BR112018072617A2 (pt) 2019-02-19

Similar Documents

Publication Publication Date Title
CN113453019B (zh) 解码视频数据的方法和装置
CN114009049B (zh) 用于针对视频译码的低频不可分离变换信令的上下文建模
US9161046B2 (en) Determining quantization parameters for deblocking filtering for video coding
EP3158738B1 (en) Block vector coding for intra block copying
KR101651759B1 (ko) 메모리 효율적인 컨텍스트 모델링
CN104137542B (zh) 在视频译码过程中对与残余视频数据相关联的变换系数进行译码的方法、设备以及计算机可读介质
US10212434B2 (en) Palette entries coding in video coding
US20150071357A1 (en) Partial intra block copying for video coding
JP2018507616A (ja) 予測ユニットの柔軟な区分化
KR20130129469A (ko) 비디오 코딩에서의 변환들
HK1201661A1 (en) Transform coefficient coding
CN105474645A (zh) 当执行帧内块复制时确定区
KR20160135756A (ko) 레지듀 차분 펄스 코드 변조을 위한 양자화 프로세스들
WO2013109903A1 (en) Coefficient level coding
AU2013235516A1 (en) Deriving context for last position coding for video coding
WO2013078313A1 (en) Transforms in video coding
HK1202741B (en) Deriving context for last position coding for video coding

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant