CA3018197A1 - Binarizing secondary transform index - Google Patents

Binarizing secondary transform index Download PDF

Info

Publication number
CA3018197A1
CA3018197A1 CA3018197A CA3018197A CA3018197A1 CA 3018197 A1 CA3018197 A1 CA 3018197A1 CA 3018197 A CA3018197 A CA 3018197A CA 3018197 A CA3018197 A CA 3018197A CA 3018197 A1 CA3018197 A1 CA 3018197A1
Authority
CA
Canada
Prior art keywords
block
syntax element
value
secondary transform
transform
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.)
Pending
Application number
CA3018197A
Other languages
English (en)
French (fr)
Inventor
Vadim Seregin
Xin Zhao
Jianle Chen
Amir Said
Marta Karczewicz
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 CA3018197A1 publication Critical patent/CA3018197A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04N19/46Embedding 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)
CA3018197A 2016-05-03 2017-05-03 Binarizing secondary transform index Pending CA3018197A1 (en)

Applications Claiming Priority (13)

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
PCT/US2017/030815 WO2017192705A1 (en) 2016-05-03 2017-05-03 Binarizing secondary transform index

Publications (1)

Publication Number Publication Date
CA3018197A1 true CA3018197A1 (en) 2017-11-09

Family

ID=58699315

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3018197A Pending CA3018197A1 (en) 2016-05-03 2017-05-03 Binarizing secondary transform index

Country Status (8)

Country Link
US (2) US10708164B2 (enExample)
EP (1) EP3453176B1 (enExample)
JP (1) JP6960943B2 (enExample)
KR (1) KR102575798B1 (enExample)
CN (2) CN109076230B (enExample)
CA (1) CA3018197A1 (enExample)
TW (1) TWI755394B (enExample)
WO (1) WO2017192705A1 (enExample)

Families Citing this family (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11394972B2 (en) * 2015-08-19 2022-07-19 Lg Electronics Inc. Method and device for encoding/decoding video signal by using optimized conversion based on multiple graph-based model
KR20170058837A (ko) * 2015-11-19 2017-05-29 한국전자통신연구원 화면내 예측모드 부호화/복호화 방법 및 장치
CN118890465A (zh) 2015-11-19 2024-11-01 Lx半导体科技有限公司 图像编码/解码方法和图像数据的传输方法
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
CN111133758B (zh) * 2017-09-28 2022-05-10 夏普株式会社 图像解码装置以及图像编码装置
WO2019117636A1 (ko) * 2017-12-15 2019-06-20 엘지전자 주식회사 비분리 2차 변환에 기반한 영상 코딩 방법 및 그 장치
US11252420B2 (en) * 2017-12-15 2022-02-15 Lg Electronics Inc. Image coding method on basis of secondary transform and device therefor
US10567801B2 (en) * 2018-03-07 2020-02-18 Tencent America LLC Method and apparatus for video coding with primary and secondary transforms
JP7085009B2 (ja) * 2018-03-07 2022-06-15 華為技術有限公司 マルチ符号ビット隠蔽及び残差符号予測を和合する方法及び装置
US10491914B2 (en) * 2018-03-29 2019-11-26 Tencent America LLC Transform information prediction
EP3761642A4 (en) * 2018-04-01 2021-04-14 LG Electronics Inc. METHOD AND APPARATUS FOR PROCESSING A VIDEO SIGNAL VIA THE APPLICATION OF A SECONDARY TRANSFORM ON A PARTITIONED BLOCK
JP7301951B2 (ja) * 2018-04-01 2023-07-03 エルジー エレクトロニクス インコーポレイティド 縮小された2次変換を用いて、ビデオ信号を処理する方法及び装置
WO2019231206A1 (ko) * 2018-05-30 2019-12-05 디지털인사이트주식회사 영상 부호화/복호화 방법 및 장치
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
KR102775041B1 (ko) * 2018-07-02 2025-03-04 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 이차 변환을 기반으로 비디오 신호를 처리하는 방법 및 장치
EP3806475B1 (en) * 2018-07-06 2023-05-10 LG Electronics, Inc. Transform-based image coding method and device
KR102591086B1 (ko) * 2018-09-02 2023-10-17 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
KR102585635B1 (ko) * 2018-09-02 2023-10-05 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
CN112753220A (zh) * 2018-09-02 2021-05-04 Lg电子株式会社 基于多重变换选择的图像编码方法及其装置
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
WO2020073884A1 (en) * 2018-10-08 2020-04-16 Mediatek Singapore Pte. Ltd. Method and apparatus of last significant coefficient coding 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
CN116684642A (zh) 2018-12-06 2023-09-01 Lg电子株式会社 图像编解码方法、存储介质和数据发送方法
WO2020130581A1 (ko) * 2018-12-19 2020-06-25 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
WO2020125796A1 (en) * 2018-12-22 2020-06-25 Beijing Bytedance Network Technology Co., Ltd. Two step cross-component prediction mode based on multiple parameter
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
CN117812271A (zh) * 2019-02-01 2024-04-02 Lg电子株式会社 图像解码方法、图像编码方法、存储介质和发送方法
US10986339B2 (en) * 2019-02-08 2021-04-20 Tencent America LLC Method and apparatus for harmonization between transform skip mode and multiple transform selection
WO2020182091A1 (en) * 2019-03-08 2020-09-17 Beijing Bytedance Network Technology Co., Ltd. Reshaping model in video processing
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
US11470354B2 (en) * 2019-03-11 2022-10-11 Tencent America LLC Inter PDPC mode
US11025909B2 (en) * 2019-03-21 2021-06-01 Tencent America LLC Method and apparatus for video coding
EP4415358A3 (en) * 2019-03-26 2024-10-16 LG Electronics Inc. Transform-based image coding
US11172211B2 (en) * 2019-04-04 2021-11-09 Tencent America LLC Method and apparatus for video coding
WO2020211777A1 (en) 2019-04-16 2020-10-22 Mediatek Inc. Methods and apparatuses for coding video data with secondary transform
EP3949407A4 (en) * 2019-04-16 2023-04-12 HFI Innovation Inc. Methods and apparatuses for coding video data with adaptive secondary transform signaling depending on tb level syntax
EP3932061A4 (en) * 2019-04-23 2022-06-01 Beijing Bytedance Network Technology Co., Ltd. Use of secondary transform in coded video
AU2020263199B2 (en) 2019-04-23 2023-10-19 Beijing Bytedance Network Technology Co., Ltd. Methods for cross component dependency reduction
BR112021017220A2 (pt) * 2019-04-24 2021-12-14 Panasonic Ip Corp America Codificador, decodificador, método de codificação, e método de decodificação
US11445174B2 (en) * 2019-05-06 2022-09-13 Tencent America LLC Method and apparatus for video coding
CN113841401B (zh) * 2019-05-10 2022-11-25 北京字节跳动网络技术有限公司 用于视频处理的二次变换矩阵的选择
CN118381940A (zh) 2019-05-15 2024-07-23 株式会社 Xris 用于对图像信号进行编码/解码的方法及其装置
US11032572B2 (en) * 2019-05-17 2021-06-08 Qualcomm Incorporated Low-frequency non-separable transform signaling based on zero-out patterns for video coding
CN113940074B (zh) * 2019-05-27 2024-12-17 北京小米移动软件有限公司 基于广角帧内预测和变换的图像编码方法和装置
US11218728B2 (en) * 2019-06-04 2022-01-04 Tencent America LLC Method and apparatus for video coding
KR102810175B1 (ko) 2019-06-06 2025-05-20 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 변환에 기반한 영상 코딩 방법 및 그 장치
CN113950828B (zh) 2019-06-07 2024-07-05 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
KR20250106334A (ko) * 2019-06-19 2025-07-09 엘지전자 주식회사 영상 코딩 시스템에서 변환 커널 세트에 관한 정보에 대한 컨텍스트 코딩
EP4586606A3 (en) * 2019-06-19 2025-10-08 LG Electronics Inc. Signaling of information indicating transform kernel set in image coding
ES3041151T3 (en) * 2019-06-19 2025-11-07 Lg Electronics Inc Coding of information about transform kernel set
US11303913B2 (en) * 2019-06-19 2022-04-12 Qualcomm Incorporated Decoded picture buffer indexing
CN117294844A (zh) * 2019-06-20 2023-12-26 Lg电子株式会社 解码和编码设备、发送用于图像的数据的设备及存储介质
US12081768B2 (en) 2019-06-21 2024-09-03 Electronics And Telecommunications Research Institute Image encoding/decoding method and apparatus
US11949870B2 (en) * 2019-06-21 2024-04-02 Qualcomm Incorporated Context modeling for low-frequency non-separable transformation signaling for video coding
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
CN115967811A (zh) 2019-06-25 2023-04-14 三星电子株式会社 使用二次变换的视频信号处理方法及装置
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
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
CN114424538B (zh) * 2019-09-20 2025-06-13 Lg电子株式会社 基于变换的图像编码方法及其装置
PH12022550545A1 (en) 2019-09-20 2023-03-20 Nokia Technologies Oy An apparatus, a method and a computer program for video coding and decoding
CN116437085A (zh) * 2019-10-04 2023-07-14 Lg电子株式会社 图像编码设备、图像解码设备及其存储介质和发送设备
WO2021071283A1 (ko) 2019-10-08 2021-04-15 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
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
CN114788278B (zh) * 2019-12-08 2025-10-24 抖音视界(北京)有限公司 使用多个分量的跨分量预测
EP4066213A1 (en) 2020-01-08 2022-10-05 Apple Inc. In-tree geometry quantization of point clouds
EP4070281A1 (en) 2020-01-09 2022-10-12 Apple Inc. In-tree geometry quantization of point clouds
EP4107960A4 (en) * 2020-02-25 2024-03-27 HFI Innovation Inc. METHOD AND DEVICE FOR SIGNALING A SECONDARY TRANSFORMATION IN VIDEO CODING
WO2021190593A1 (en) 2020-03-25 2021-09-30 Beijing Bytedance Network Technology Co., Ltd. Coded video processing using enhanced secondary transform
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
CN120075461A (zh) * 2021-03-14 2025-05-30 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
US12363331B2 (en) * 2021-12-09 2025-07-15 Apple Inc. Encoding and decoding video content using prediction-aware flexible skip coding
WO2024107210A1 (en) * 2022-11-15 2024-05-23 Google Llc Dc only transform coefficient mode for image and video coding

Family Cites Families (23)

* 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
US8483285B2 (en) * 2008-10-03 2013-07-09 Qualcomm Incorporated Video coding using transforms bigger than 4×4 and 8×8
ES2823549T3 (es) * 2010-04-13 2021-05-07 Ge Video Compression Llc Codificación de mapas de significado y bloques de coeficiente de transformada
JP5676744B2 (ja) * 2010-04-13 2015-02-25 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン エントロピー符号化
US9172968B2 (en) * 2010-07-09 2015-10-27 Qualcomm Incorporated Video coding using directional transforms
US9641846B2 (en) * 2010-10-22 2017-05-02 Qualcomm Incorporated Adaptive scanning of transform coefficients for video coding
US10992958B2 (en) * 2010-12-29 2021-04-27 Qualcomm Incorporated Video coding using mapped transforms and scanning modes
MY170940A (en) * 2011-06-16 2019-09-19 Ge Video Compression Llc Entropy coding of motion vector differences
CN103797803A (zh) * 2011-06-28 2014-05-14 三星电子株式会社 用于熵编码/解码的方法和设备
PT2728866T (pt) 2011-06-28 2019-02-21 Samsung Electronics Co Ltd Método e aparelho para codificar vídeo e método e aparelho para descodificar vídeo acompanhado com codificação aritmética
US9826238B2 (en) * 2011-06-30 2017-11-21 Qualcomm Incorporated Signaling syntax elements for transform coefficients for sub-sets of a leaf-level coding unit
KR101625548B1 (ko) * 2011-07-15 2016-05-30 구글 테크놀로지 홀딩스 엘엘씨 변환 계수 레벨 코딩을 위한 컨텍스트 모델링 기술들
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
US9264706B2 (en) * 2012-04-11 2016-02-16 Qualcomm Incorporated Bypass bins for reference index coding in video coding
US9538172B2 (en) 2012-04-11 2017-01-03 Qualcomm Incorporated Grouping bypass coded syntax elements 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
US11233990B2 (en) 2016-02-08 2022-01-25 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

Also Published As

Publication number Publication date
BR112018072617A2 (pt) 2019-02-19
KR20190003950A (ko) 2019-01-10
CN113453019A (zh) 2021-09-28
EP3453176B1 (en) 2023-08-30
TW201742458A (zh) 2017-12-01
EP3453176A1 (en) 2019-03-13
KR102575798B1 (ko) 2023-09-07
JP2019515561A (ja) 2019-06-06
CN113453019B (zh) 2025-05-06
US20200236030A1 (en) 2020-07-23
WO2017192705A1 (en) 2017-11-09
US10708164B2 (en) 2020-07-07
TWI755394B (zh) 2022-02-21
JP6960943B2 (ja) 2021-11-05
US11496385B2 (en) 2022-11-08
CN109076230B (zh) 2021-07-23
CN109076230A (zh) 2018-12-21
US20170324643A1 (en) 2017-11-09

Similar Documents

Publication Publication Date Title
US11496385B2 (en) Binarizing secondary transform index
AU2012261975B2 (en) Memory efficient context modeling
US9161046B2 (en) Determining quantization parameters for deblocking filtering for video coding
AU2013246460B2 (en) Wavefront parallel processing for video coding
EP3120544B1 (en) Quantization processes for residue differential pulse code modulation
EP3013051A1 (en) Transforms in video coding
EP3035684A1 (en) Quantization parameter prediction in video coding
KR102031468B1 (ko) 팔레트 모드 코딩을 위한 이스케이프 픽셀들 코딩
CA2865616C (en) Deriving context for last position coding for video coding
JP2018507616A (ja) 予測ユニットの柔軟な区分化
WO2015038928A1 (en) Partial intra block copying for video coding
KR20150003327A (ko) 변환 계수 코딩
EP2810437A2 (en) Residual quad tree (rqt) coding for video coding
EP2839649A1 (en) Simplified non-square quadtree transforms for video coding
WO2013109903A1 (en) Coefficient level coding
WO2013078313A1 (en) Transforms in video coding

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20220404

EEER Examination request

Effective date: 20220404

EEER Examination request

Effective date: 20220404

EEER Examination request

Effective date: 20220404

EEER Examination request

Effective date: 20220404