TWI755394B - 二值化二次轉換指數 - Google Patents

二值化二次轉換指數 Download PDF

Info

Publication number
TWI755394B
TWI755394B TW106114689A TW106114689A TWI755394B TW I755394 B TWI755394 B TW I755394B TW 106114689 A TW106114689 A TW 106114689A TW 106114689 A TW106114689 A TW 106114689A TW I755394 B TWI755394 B TW I755394B
Authority
TW
Taiwan
Prior art keywords
block
syntax element
value
transform
video
Prior art date
Application number
TW106114689A
Other languages
English (en)
Chinese (zh)
Other versions
TW201742458A (zh
Inventor
法迪姆 塞瑞金
趙欣
陳建樂
阿米爾 塞德
馬塔 卡茲維克茲
Original Assignee
美商高通公司
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 美商高通公司 filed Critical 美商高通公司
Publication of TW201742458A publication Critical patent/TW201742458A/zh
Application granted granted Critical
Publication of TWI755394B publication Critical patent/TWI755394B/zh

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
    • H04N19/10—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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/16—Threshold monitoring
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/132—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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/16—Assigned 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
    • 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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/40—Methods 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
    • 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
    • H04N19/42—Methods 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
    • H04N19/423—Methods 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
    • 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
    • H04N19/42—Methods 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
    • H04N19/423—Methods 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
    • H04N19/426—Methods 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
    • H04N19/428—Recompression, e.g. by spatial or temporal decimation
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/60—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
    • H04N19/70—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
    • 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)
  • 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)
TW106114689A 2016-05-03 2017-05-03 二值化二次轉換指數 TWI755394B (zh)

Applications Claiming Priority (12)

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 2017-05-02
US15/584,859 US10708164B2 (en) 2016-05-03 2017-05-02 Binarizing secondary transform index

Publications (2)

Publication Number Publication Date
TW201742458A TW201742458A (zh) 2017-12-01
TWI755394B true TWI755394B (zh) 2022-02-21

Family

ID=58699315

Family Applications (1)

Application Number Title Priority Date Filing Date
TW106114689A TWI755394B (zh) 2016-05-03 2017-05-03 二值化二次轉換指數

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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130027230A1 (en) * 2010-04-13 2013-01-31 Detlev Marpe Entropy coding
US20130272389A1 (en) * 2012-04-13 2013-10-17 Texas Instruments Incorporated Reducing Context Coded and Bypass Coded Bins to Improve Context Adaptive Binary Arithmetic Coding (CABAC) Throughput
US20140177708A1 (en) * 2011-06-28 2014-06-26 Samsung Electronics Co., Ltd. Method and apparatus for entropy encoding/decoding

Family Cites Families (20)

* 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
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
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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130027230A1 (en) * 2010-04-13 2013-01-31 Detlev Marpe Entropy coding
US20140177708A1 (en) * 2011-06-28 2014-06-26 Samsung Electronics Co., Ltd. Method and apparatus for entropy encoding/decoding
US20130272389A1 (en) * 2012-04-13 2013-10-17 Texas Instruments Incorporated Reducing Context Coded and Bypass Coded Bins to Improve Context Adaptive Binary Arithmetic Coding (CABAC) Throughput

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
CA3018197A1 (en) 2017-11-09
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
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
TWI755394B (zh) 二值化二次轉換指數
CN103563378B (zh) 存储器高效的上下文建模
US9161046B2 (en) Determining quantization parameters for deblocking filtering for video coding
CN103988437B (zh) 用于上下文自适应二进制算术译码的上下文缩减
CN104471946B (zh) 视频译码中用信号发送无损译码模式和脉码调制(pcm)模式的统一
KR102182441B1 (ko) 비디오 코딩에서 ｈｅｖｃ 확장들을 위한 다중 계층들의 저복잡도 지원
CN104205835B (zh) 导出最末位置译码的上下文以供视频译码
JP2018507616A (ja) 予測ユニットの柔軟な区分化
KR20160135756A (ko) 레지듀 차분 펄스 코드 변조을 위한 양자화 프로세스들
WO2015038928A1 (en) Partial intra block copying for video coding
KR20140096130A (ko) 적응적 중첩된 블록 모션 보상
EP2684361A1 (en) Transforms in video coding
CN104509113A (zh) 视频压缩中的变换跳过模式
CN105474645A (zh) 当执行帧内块复制时确定区
HK1196719B (en) Number of context reduction for context adaptive binary arithmetic coding
HK1196719A (en) Number of context reduction for context adaptive binary arithmetic coding
HK1199152B (en) Context reduction for context adaptive binary arithmetic coding
HK1198401B (en) A method and apparatus for encoding and decoding video data