CA2971880C - Enhanced multiple transforms for prediction residual - Google Patents

Enhanced multiple transforms for prediction residual Download PDF

Info

Publication number
CA2971880C
CA2971880C CA2971880A CA2971880A CA2971880C CA 2971880 C CA2971880 C CA 2971880C CA 2971880 A CA2971880 A CA 2971880A CA 2971880 A CA2971880 A CA 2971880A CA 2971880 C CA2971880 C CA 2971880C
Authority
CA
Canada
Prior art keywords
transform
subset
block
video
transforms
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
CA2971880A
Other languages
English (en)
French (fr)
Other versions
CA2971880A1 (en
Inventor
Xin Zhao
Sungwon Lee
Jianle Chen
Li Zhang
Xiang Li
Ying Chen
Marta Karczewicz
Hongbin Liu
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 CA2971880A1 publication Critical patent/CA2971880A1/en
Application granted granted Critical
Publication of CA2971880C publication Critical patent/CA2971880C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction 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
    • H04N19/102—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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/112—Selection of coding mode or of prediction mode according to 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
    • H04N19/102—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
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • 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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/60—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
    • H04N19/70—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CA2971880A 2015-01-26 2016-01-26 Enhanced multiple transforms for prediction residual Active CA2971880C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201562107996P 2015-01-26 2015-01-26
US62/107,996 2015-01-26
US201562137038P 2015-03-23 2015-03-23
US62/137,038 2015-03-23
US15/005,736 US10306229B2 (en) 2015-01-26 2016-01-25 Enhanced multiple transforms for prediction residual
US15/005,736 2016-01-25
PCT/US2016/014898 WO2016123091A1 (en) 2015-01-26 2016-01-26 Enhanced multiple transforms for prediction residual

Publications (2)

Publication Number Publication Date
CA2971880A1 CA2971880A1 (en) 2016-08-04
CA2971880C true CA2971880C (en) 2023-12-19

Family

ID=56433544

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2971880A Active CA2971880C (en) 2015-01-26 2016-01-26 Enhanced multiple transforms for prediction residual

Country Status (11)

Country Link
US (1) US10306229B2 (enExample)
EP (1) EP3251364B1 (enExample)
JP (1) JP6768675B2 (enExample)
KR (1) KR102452745B1 (enExample)
CN (1) CN107211144B (enExample)
CA (1) CA2971880C (enExample)
EA (1) EA038534B1 (enExample)
ES (1) ES3023710T3 (enExample)
TN (1) TN2017000286A1 (enExample)
TW (1) TWI686076B (enExample)
WO (1) WO2016123091A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12219172B2 (en) * 2018-09-21 2025-02-04 Canon Kabushiki Kaisha Video coding and decoding

Families Citing this family (176)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108712652A (zh) * 2012-06-29 2018-10-26 韩国电子通信研究院 视频编码方法和计算机可读介质
WO2015172337A1 (en) * 2014-05-14 2015-11-19 Mediatek Singapore Pte. Ltd. Alternative transforms for data compression
FR3038196A1 (fr) * 2015-06-29 2016-12-30 B<>Com Procede de codage d'une image numerique, procede de decodage, dispositifs et programmes d'ordinateurs associes
US10681379B2 (en) 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
US10200719B2 (en) 2015-11-25 2019-02-05 Qualcomm Incorporated Modification of transform coefficients for non-square transform units in video coding
WO2017138393A1 (en) 2016-02-08 2017-08-17 Sharp Kabushiki Kaisha Systems and methods for intra prediction coding
CN116389729A (zh) 2016-02-12 2023-07-04 交互数字Vc控股公司 用于帧内预测编码/解码的方法和设备
US10623774B2 (en) 2016-03-22 2020-04-14 Qualcomm Incorporated Constrained block-level optimization and signaling for video coding tools
EP3439304A4 (en) * 2016-03-28 2020-02-26 KT Corporation VIDEO SIGNAL PROCESSING METHOD AND APPARATUS
US10547854B2 (en) 2016-05-13 2020-01-28 Qualcomm Incorporated Neighbor based signaling of intra prediction modes
CN109076223B (zh) * 2016-05-13 2021-07-09 夏普株式会社 图像解码装置以及图像编码装置
CN114363628B (zh) 2016-06-24 2024-06-14 株式会社Kt 图像编码方法、图像解码方法以及装置
CN114363636B (zh) * 2016-07-05 2024-06-04 株式会社Kt 用于处理视频信号的方法和装置
CN117412044A (zh) * 2016-07-13 2024-01-16 韩国电子通信研究院 图像编码/解码方法和装置
WO2018011345A1 (en) * 2016-07-14 2018-01-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Predictive picture coding using transform-based residual coding
CN116980592A (zh) * 2016-08-31 2023-10-31 株式会社Kt 用于处理视频信号的方法和设备
CN113873242B (zh) * 2016-08-31 2024-06-04 株式会社Kt 用于对视频进行解码的方法和用于对视频进行编码的方法
US10743025B2 (en) 2016-09-01 2020-08-11 Lg Electronics Inc. Method and apparatus for performing transformation using layered givens transform
US10880564B2 (en) 2016-10-01 2020-12-29 Qualcomm Incorporated Transform selection for video coding
CN117176947A (zh) 2016-10-04 2023-12-05 有限公司B1影像技术研究所 图像编码/解码方法、记录介质和传输比特流的方法
EP3975559B1 (en) * 2016-10-04 2024-08-14 B1 Institute of Image Technology, Inc. Image data encoding/decoding method and apparatus
US10506228B2 (en) 2016-10-04 2019-12-10 Qualcomm Incorporated Variable number of intra modes for video coding
FR3057429A1 (fr) * 2016-10-07 2018-04-13 B<>Com Procede de codage d'une image numerique, procede de decodage, dispositifs et programmes d'ordinateurs associes
US11095893B2 (en) 2016-10-12 2021-08-17 Qualcomm Incorporated Primary transform and secondary transform in video coding
EP4395313A1 (en) * 2016-12-28 2024-07-03 Sony Group Corporation Image processing apparatus and method
AU2017390099A1 (en) 2017-01-03 2019-08-08 Lg Electronics Inc. Image processing method, and device for same
KR20180089858A (ko) * 2017-02-01 2018-08-09 엘지전자 주식회사 레이어드 기븐스 변환을 이용하여 변환을 수행하는 방법 및 장치
US11405645B2 (en) * 2017-02-28 2022-08-02 Google Llc Transform kernel selection and entropy coding
CN110419218B (zh) * 2017-03-16 2021-02-26 联发科技股份有限公司 编码或解码视频数据的方法和装置
US10701391B2 (en) * 2017-03-23 2020-06-30 Qualcomm Incorporated Motion vector difference (MVD) prediction
US20180288439A1 (en) * 2017-03-31 2018-10-04 Mediatek Inc. Multiple Transform Prediction
FR3064870A1 (fr) * 2017-03-31 2018-10-05 B<>Com Procede de decodage d'au moins une image numerique, procede de codage, dispositifs, equipement terminal et programmes d'ordinateurs associes
US10750181B2 (en) * 2017-05-11 2020-08-18 Mediatek Inc. Method and apparatus of adaptive multiple transforms for video coding
US10630974B2 (en) * 2017-05-30 2020-04-21 Google Llc Coding of intra-prediction modes
US10979736B2 (en) * 2017-06-08 2021-04-13 Lg Electronics Inc. Method and apparatus for performing low-complexity computation of transform kernel for video compression
US11070806B2 (en) * 2017-06-28 2021-07-20 Lg Electronics Inc. Method and apparatus for performing low complexity computation in transform kernel for video compression
FR3068556A1 (fr) 2017-06-29 2019-01-04 B<>Com Procede de decodage d'une image, procede de codage, dispositifs, equipement terminal et programmes d'ordinateurs associes
US20230308626A1 (en) * 2017-07-17 2023-09-28 B1 Institute Of Image Technology, Inc. Image data encoding/decoding method and apparatus
CA3288542A1 (en) * 2017-08-04 2025-11-29 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method and apparatus for configuring transform for video compression
EP3451663A1 (en) * 2017-08-31 2019-03-06 Thomson Licensing Pools of transforms for local selection of a set of transforms in video coding
US20200221130A1 (en) * 2017-09-03 2020-07-09 Lg Electronics Inc. Method and device for performing transform using layered givens transform
WO2019069782A1 (ja) 2017-10-06 2019-04-11 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 符号化装置、復号装置、符号化方法及び復号方法
WO2019076138A1 (en) 2017-10-16 2019-04-25 Huawei Technologies Co., Ltd. Encoding method and apparatus
CN109922340B (zh) * 2017-12-13 2021-10-15 华为技术有限公司 图像编解码方法、装置、系统及存储介质
RU2748907C1 (ru) * 2017-12-15 2021-06-01 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ кодирования изображения на основе неразделимого вторичного преобразования и устройство для него
EP4307676A3 (en) * 2017-12-21 2024-03-13 LG Electronics Inc. Method for coding image on basis of selective transform and device therefor
EP3503549A1 (en) * 2017-12-22 2019-06-26 Thomson Licensing Method and apparatus for video compression using efficient multiple transforms
EP3729807A1 (en) * 2017-12-22 2020-10-28 InterDigital VC Holdings, Inc. Method and apparatus for video compression using efficient multiple transforms
WO2019131364A1 (ja) * 2017-12-28 2019-07-04 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 符号化装置、復号装置、符号化方法及び復号方法
US10812797B2 (en) * 2018-02-05 2020-10-20 Tencent America LLC Method, apparatus and medium for decoding or encoding using a low-complexity transform
JP7121133B2 (ja) 2018-02-23 2022-08-17 華為技術有限公司 ビデオ符号化のための位置依存の空間変化変換
US10567801B2 (en) 2018-03-07 2020-02-18 Tencent America LLC Method and apparatus for video coding with primary and secondary transforms
WO2019190098A1 (ko) * 2018-03-28 2019-10-03 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
CN119011831A (zh) * 2018-03-29 2024-11-22 弗劳恩霍夫应用研究促进协会 用于视频编码的候选变换集合的确定
US10491914B2 (en) * 2018-03-29 2019-11-26 Tencent America LLC Transform information prediction
WO2019190283A1 (ko) * 2018-03-29 2019-10-03 엘지전자 주식회사 저복잡도 연산 dst7을 설계하는 방법 및 장치
JP7334730B2 (ja) * 2018-03-30 2023-08-29 ソニーグループ株式会社 画像処理装置および方法
WO2019194505A1 (ko) * 2018-04-01 2019-10-10 엘지전자 주식회사 축소된 회전기반 변환을 이용하여 비디오 신호를 처리하는 방법 및 장치
WO2019194458A1 (ko) * 2018-04-01 2019-10-10 엘지전자 주식회사 Obmc를 이용한 영상 코딩 방법 및 그 장치
SI3764649T1 (sl) * 2018-04-01 2023-12-29 Lg Electronics Inc. Obdelava video signala z uporabo reducirne sekundarne transformacije
US11297348B2 (en) * 2018-04-13 2022-04-05 Mediatek Inc. Implicit transform settings for coding a block of pixels
WO2019212816A1 (en) * 2018-05-02 2019-11-07 Interdigital Vc Holdings, Inc. Encoding and decoding a video
US10536720B2 (en) * 2018-05-07 2020-01-14 Tencent America LLC Method, apparatus and medium for decoding or encoding
US10462486B1 (en) * 2018-05-07 2019-10-29 Tencent America, Llc Fast method for implementing discrete sine transform type VII (DST 7)
PL3782361T3 (pl) 2018-05-31 2023-12-27 Huawei Technologies Co., Ltd. Przestrzennie zmienna transformacja z transformacją typu adaptacyjnego
US10986340B2 (en) * 2018-06-01 2021-04-20 Qualcomm Incorporated Coding adaptive multiple transform information for video coding
US10645396B2 (en) * 2018-06-04 2020-05-05 Tencent America LLC Method and apparatus for implicit transform splitting
US10666981B2 (en) * 2018-06-29 2020-05-26 Tencent America LLC Method, apparatus and medium for decoding or encoding
US10687081B2 (en) * 2018-06-29 2020-06-16 Tencent America LLC Method, apparatus and medium for decoding or encoding
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
KR102454971B1 (ko) * 2018-07-06 2022-10-14 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
KR102226462B1 (ko) 2018-07-13 2021-03-10 텔레폰악티에볼라겟엘엠에릭슨(펍) 비디오 인코더 및/또는 비디오 디코더에서의 변환 선택
US11259052B2 (en) * 2018-07-16 2022-02-22 Qualcomm Incorporated Transform variations of multiple separable transform selection
CN110839158B (zh) 2018-08-16 2023-03-10 北京字节跳动网络技术有限公司 变换矩阵选择的系数相关的编解码
CN115379220B (zh) * 2018-08-22 2025-05-09 寰发股份有限公司 转换系数编码或解码的方法与装置
EP4210331A1 (en) * 2018-09-02 2023-07-12 LG Electronics Inc. Method and apparatus for processing image signal
WO2020046091A1 (ko) * 2018-09-02 2020-03-05 엘지전자 주식회사 다중 변환 선택에 기반한 영상 코딩 방법 및 그 장치
CN110944177B (zh) * 2018-09-21 2024-03-01 华为技术有限公司 视频解码方法及视频解码器，视频编码方法及视频编码器
GB2577318B (en) 2018-09-21 2021-03-10 Canon Kk Video coding and decoding
WO2020056760A1 (en) * 2018-09-21 2020-03-26 Alibaba Group Holding Limited Transform selection for small size block
KR20240014624A (ko) * 2018-09-23 2024-02-01 엘지전자 주식회사 비디오 신호의 부호화/복호화 방법 및 이를 위한 장치
CN117857818A (zh) * 2018-10-05 2024-04-09 Lg电子株式会社 视频解码方法、视频编码方法及存储介质
WO2020073882A1 (en) * 2018-10-08 2020-04-16 Huawei Technologies Co., Ltd. Video decoder and corresponding methods
US10893286B2 (en) * 2018-10-09 2021-01-12 Tencent America LLC Methods and apparatus for low-complexity MTS
GB2595054B (en) 2018-10-18 2022-07-06 Canon Kk Video coding and decoding
GB2595053B (en) 2018-10-18 2022-07-06 Canon Kk Video coding and decoding
US11128866B2 (en) 2018-10-18 2021-09-21 Qualcomm Incorporated Scans and last coefficient position coding for zero-out transforms
JP2021510022A (ja) * 2018-11-12 2021-04-08 エルジー エレクトロニクス インコーポレイティド 高周波ゼロイングに基づいて変換係数をコーディングする方法及びその装置
WO2020106668A1 (en) * 2018-11-22 2020-05-28 Interdigital Vc Holdings, Inc. Quantization for video encoding and decoding
US11284112B2 (en) * 2018-12-06 2022-03-22 Tencent America LLC Method and apparatus for a primary transform using an 8-bit transform core
US11102513B2 (en) 2018-12-06 2021-08-24 Tencent America LLC One-level transform split and adaptive sub-block transform
JP7200379B2 (ja) * 2018-12-06 2023-01-06 エルジー エレクトロニクス インコーポレイティド 二次変換に基づく映像コーディング方法、及びその装置
JP2021510943A (ja) 2018-12-17 2021-04-30 エルジー エレクトロニクス インコーポレイティド 高周波ゼロイングに基づいて変換係数スキャン順序を決定する方法及び装置
US11323748B2 (en) 2018-12-19 2022-05-03 Qualcomm Incorporated Tree-based transform unit (TU) partition for video coding
US10855992B2 (en) * 2018-12-20 2020-12-01 Alibaba Group Holding Limited On block level bi-prediction with weighted averaging
JP7257523B2 (ja) * 2018-12-28 2023-04-13 テレフオンアクチーボラゲット エルエム エリクソン（パブル） エンコーダおよびデコーダにおける変換選択を選択するための方法および装置
CN111385584B (zh) * 2018-12-28 2022-09-06 杭州海康威视数字技术股份有限公司 进行编码、解码的方法、装置和系统
WO2020141892A1 (ko) * 2019-01-01 2020-07-09 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
WO2020141855A1 (ko) * 2019-01-01 2020-07-09 엘지전자 주식회사 영상 코딩 시스템에서 레지듀얼 부호 관련 정보를 사용하는 영상 디코딩 방법 및 그 장치
US10904563B2 (en) * 2019-01-02 2021-01-26 Tencent America LLC Method and apparatus for improved zero out transform
CN119094747A (zh) * 2019-01-02 2024-12-06 弗劳恩霍夫应用研究促进协会 统一变换类型信令和变换类型相关的变换系数水平编码
KR102767215B1 (ko) * 2019-01-07 2025-02-13 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
CN117915089B (zh) * 2019-01-12 2025-12-09 Oppo广东移动通信有限公司 在图像编译系统中使用残差信息的图像解码方法及其装置
US11595663B2 (en) 2019-02-01 2023-02-28 Qualcomm Incorporated Secondary transform designs for partitioned transform units in video coding
US10986339B2 (en) * 2019-02-08 2021-04-20 Tencent America LLC Method and apparatus for harmonization between transform skip mode and multiple transform selection
US12200202B2 (en) * 2019-02-21 2025-01-14 Lg Electronics Inc. Image decoding method and apparatus using intra prediction in image coding system
US11159795B2 (en) * 2019-03-04 2021-10-26 Tencent America LLC Max transform size control
EP4231641A1 (en) * 2019-03-10 2023-08-23 HFI Innovation Inc. Mehtod and apparatus of the quantization matrix computation and representation for video coding
EP3939286A4 (en) * 2019-03-11 2022-12-21 Beijing Dajia Internet Information Technology Co., Ltd. ENCODING OF TRANSFORMATION COEFFICIENTS IN VIDEO ENCODING
JP7416450B2 (ja) * 2019-03-11 2024-01-17 テンセント・アメリカ・エルエルシー インターｐｄｐｃモードの改善
WO2020184991A1 (ko) 2019-03-11 2020-09-17 엘지전자 주식회사 Ibc 모드를 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
US11539952B2 (en) * 2019-03-12 2022-12-27 Qualcomm Incorporated Implicit transform selection in video coding
US11025937B2 (en) * 2019-03-16 2021-06-01 Tencent America LLC Method and apparatus for video coding
US11172211B2 (en) * 2019-04-04 2021-11-09 Tencent America LLC Method and apparatus for video coding
US11363306B2 (en) * 2019-04-05 2022-06-14 Comcast Cable Communications, Llc Methods, systems, and apparatuses for processing video by adaptive rate distortion optimization
US11240534B2 (en) * 2019-04-05 2022-02-01 Qualcomm Incorporated Extended multiple transform selection for video coding
WO2020216288A1 (en) * 2019-04-23 2020-10-29 Beijing Bytedance Network Technology Co., Ltd. Conditional use of multiple transform matrices in video coding
JP7269373B2 (ja) 2019-05-10 2023-05-08 北京字節跳動網絡技術有限公司 ビデオ処理方法、装置、記憶媒体及び記憶方法
US11032572B2 (en) 2019-05-17 2021-06-08 Qualcomm Incorporated Low-frequency non-separable transform signaling based on zero-out patterns for video coding
WO2020236723A1 (en) 2019-05-19 2020-11-26 Bytedance Inc. Transform bypass coded residual blocks in digital video
WO2020244662A1 (en) 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Simplified transform coding tools
WO2020244660A1 (en) * 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Motion candidate list construction for video coding
CN113940082A (zh) 2019-06-06 2022-01-14 北京字节跳动网络技术有限公司 基于子块的帧内块复制和不同编解码工具之间的交互
WO2020244661A1 (en) 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Implicit selection of transform candidates
CN113940076B (zh) * 2019-06-06 2025-01-03 北京字节跳动网络技术有限公司 应用隐式变换选择
US11212545B2 (en) 2019-06-07 2021-12-28 Tencent America LLC Method and apparatus for improved implicit transform selection
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
US11949870B2 (en) 2019-06-21 2024-04-02 Qualcomm Incorporated Context modeling for low-frequency non-separable transformation signaling for video coding
CN114009037B (zh) 2019-06-22 2025-01-10 北京字节跳动网络技术有限公司 帧内块复制模式的运动候选列表构建
CN119299687A (zh) 2019-07-12 2025-01-10 Lg 电子株式会社 基于变换的图像编译方法及其设备
WO2021010678A1 (ko) * 2019-07-12 2021-01-21 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN114175636B (zh) 2019-07-14 2024-01-12 北京字节跳动网络技术有限公司 自适应参数集中的自适应环路滤波的指示
EP3991429A4 (en) 2019-07-26 2022-08-31 Beijing Bytedance Network Technology Co., Ltd. DETERMINING AN IMAGE PARTITION MODE BASED ON BLOCK SIZE
CN114208190B (zh) 2019-08-03 2023-12-15 北京字节跳动网络技术有限公司 视频编解码中缩减二次变换的矩阵的选择
CN114223208B (zh) 2019-08-17 2023-12-29 北京字节跳动网络技术有限公司 为视频中的缩减二次变换的边信息的上下文建模
US11677984B2 (en) 2019-08-20 2023-06-13 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) signaling
EP4000266A4 (en) * 2019-08-20 2022-10-26 Beijing Bytedance Network Technology Co., Ltd. Residual coding for transform skipped blocks
US11184617B2 (en) 2019-09-19 2021-11-23 Qualcomm Incorporated Transform unit design for video coding
CN114521326B (zh) 2019-09-19 2024-07-26 数码士有限公司 使用缩放处理的视频信号处理方法及装置
JP7479457B2 (ja) * 2019-09-20 2024-05-08 北京字節跳動網絡技術有限公司 ビデオ・データを処理する方法、装置及び記憶媒体
US11153576B2 (en) 2019-09-20 2021-10-19 Qualcomm Incorporated Scaling matrices and signaling for video coding
CA3155276C (en) 2019-09-21 2025-11-04 Lg Electronics Inc. IMAGE CODING METHOD BASED ON A TRANSFORM, AND ASSOCIATED DEVICE
EP4035398A1 (en) 2019-09-24 2022-08-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coding concept for a sequence of information values
US11206400B2 (en) 2019-09-26 2021-12-21 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) simplifications
WO2021066601A1 (ko) * 2019-10-04 2021-04-08 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
US11432014B2 (en) 2019-10-25 2022-08-30 Qualcomm Incorporated Parametric graph-based separable transforms for video coding
US11284071B2 (en) * 2019-12-12 2022-03-22 Google Llc Combination of mode-dependent and fixed transform types in video coding
US20210195192A1 (en) 2019-12-20 2021-06-24 Qualcomm Incorporated Coefficient group based restriction on multiple transform selection signaling in video coding
US11470353B2 (en) 2019-12-20 2022-10-11 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) with reduced zero-out in video coding
US11457229B2 (en) 2019-12-23 2022-09-27 Qualcomm Incorporated LFNST signaling for chroma based on chroma transform skip
US11706425B2 (en) 2020-01-08 2023-07-18 Qualcomm Incorporated Multiple transform set signaling for video coding
WO2021167769A1 (en) * 2020-02-21 2021-08-26 Alibaba Group Holding Limited Signaling of maximum transform size and residual coding method
CN111263158B (zh) * 2020-02-28 2021-11-16 中南大学 一种基于空间相关度的多变换核快速处理方法
CN115362676B (zh) * 2020-03-07 2025-10-28 抖音视界有限公司 视频编解码中变换跳过模式的处理
KR20260041933A (ko) * 2020-03-24 2026-03-27 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
WO2021194221A1 (ko) * 2020-03-26 2021-09-30 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
US11582491B2 (en) 2020-03-27 2023-02-14 Qualcomm Incorporated Low-frequency non-separable transform processing in video coding
US20210321137A1 (en) 2020-03-30 2021-10-14 Qualcomm Incorporated Low-frequency non-separable transform index signaling in video coding
US11388401B2 (en) * 2020-06-26 2022-07-12 Google Llc Extended transform partitions for video compression
WO2022037700A1 (en) 2020-08-21 2022-02-24 Beijing Bytedance Network Technology Co., Ltd. Coding mode dependent selection of transform skip mode
CN112565751B (zh) * 2020-09-27 2021-09-10 腾讯科技（深圳）有限公司 视频解码方法、装置、计算机可读介质及电子设备
CN114339217B (zh) * 2020-09-30 2024-09-13 中国科学院深圳先进技术研究院 变换集合生成方法和装置、机器可读存储介质和机器设备
US11871010B2 (en) 2020-10-02 2024-01-09 Qualcomm Incorporated Extended low-frequency non-separable transform (LFNST) designs with worst-case complexity handling
US11924471B2 (en) 2020-11-12 2024-03-05 Qualcomm Incorporated Context-based transform index signaling in video coding
WO2022111507A1 (en) 2020-11-24 2022-06-02 Beijing Bytedance Network Technology Co., Ltd. Position dependent coefficient reordering in coded video
WO2022159115A1 (en) * 2021-01-25 2022-07-28 Google Llc Chroma transform type determination
US11800110B2 (en) * 2021-04-20 2023-10-24 Tencent America LLC Adaptive scanning with multiple transform selection
EP4175296A1 (en) * 2021-10-29 2023-05-03 Ateme Method for image processing and apparatus for implementing the same
US20260107000A1 (en) * 2022-10-12 2026-04-16 Lg Electronics Inc. Video encoding/decoding method and device, and recording medium for storing bitstream
WO2024080798A1 (ko) * 2022-10-12 2024-04-18 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
CN119999215A (zh) * 2022-10-12 2025-05-13 Lg 电子株式会社 视频编码/解码方法和设备、以及存储比特流的记录介质
US20260107017A1 (en) * 2022-10-16 2026-04-16 Lg Electronics Inc. Image encoding/decoding method and device, and recording medium on which bitstream is stored
CN119968851A (zh) * 2022-10-16 2025-05-09 Lg 电子株式会社 图像编码/解码方法和设备及其上存储比特流的记录介质
WO2024085567A1 (ko) * 2022-10-16 2024-04-25 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2025167806A1 (en) * 2024-02-07 2025-08-14 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus for transform coding

Family Cites Families (141)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1000643A5 (fr) 1987-06-05 1989-02-28 Belge Etat Procede de codage de signaux d'image.
JPH0270127A (ja) 1988-09-06 1990-03-09 Toshiba Corp 変換符号化方式
US5136371A (en) 1990-03-15 1992-08-04 Thomson Consumer Electronics, Inc. Digital image coding using random scanning
DE69322713T2 (de) 1992-08-31 1999-05-06 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Vorrichtung zur orthogonalen Transformationskodierung und -dekodierung
TW224553B (en) 1993-03-01 1994-06-01 Sony Co Ltd Method and apparatus for inverse discrete consine transform and coding/decoding of moving picture
TW297202B (enExample) 1993-10-13 1997-02-01 Rca Thomson Licensing Corp
EP0729688A1 (en) 1993-11-15 1996-09-04 National Semiconductor Corporation Quadtree-structured walsh transform coding
KR0183688B1 (ko) 1994-01-12 1999-05-01 김광호 영상부호화방법 및 장치
JP3086396B2 (ja) 1995-03-10 2000-09-11 シャープ株式会社 画像符号化装置及び画像復号装置
KR0178198B1 (ko) 1995-03-28 1999-05-01 배순훈 영상 신호 부호화 장치
US5721822A (en) 1995-07-21 1998-02-24 Intel Corporation Run-length encoding/decoding video signals using scan patterns explicitly encoded into bitstreams
US5790706A (en) 1996-07-03 1998-08-04 Motorola, Inc. Method and apparatus for scanning of transform coefficients
KR100211050B1 (ko) 1996-11-05 1999-07-15 이계철 선택적 양자화 계수 전송 장치 및 방법
JP2002232887A (ja) 1996-11-07 2002-08-16 Matsushita Electric Ind Co Ltd 画像符号化方法および画像符号化装置並びに画像復号化方法および画像復号化装置
CN1882090A (zh) 1996-11-07 2006-12-20 松下电器产业株式会社 图像编码装置和图像解码装置
US5974181A (en) 1997-03-20 1999-10-26 Motorola, Inc. Data compression system, method, and apparatus
JPH10271505A (ja) 1997-03-25 1998-10-09 Oki Electric Ind Co Ltd 信号処理装置、符号化回路および復号回路
US5995055A (en) 1997-06-30 1999-11-30 Raytheon Company Planar antenna radiating structure having quasi-scan, frequency-independent driving-point impedance
US6157676A (en) 1997-07-31 2000-12-05 Victor Company Of Japan Digital video signal inter-block interpolative predictive encoding/decoding apparatus and method providing high efficiency of encoding
JP2900998B2 (ja) 1997-07-31 1999-06-02 日本ビクター株式会社 ブロック間内挿予測符号化装置、復号化装置、符号化方法及び復号化方法
HK1039823B (zh) 1998-08-10 2006-08-18 Etiip控股有限公司 数字静止图象编码方法、设备和压缩比特流解码方法
EP0986026A1 (en) 1998-09-07 2000-03-15 STMicroelectronics S.r.l. Fractal coding of data in the DCT domain
JP4226172B2 (ja) 1998-11-24 2009-02-18 株式会社ハイニックスセミコンダクター 適応的変換方法を用いる映像圧縮符号化装置および復号化装置ならびにその方法
JP2003513538A (ja) 1999-10-22 2003-04-08 アクティブスカイ，インコーポレイテッド オブジェクト指向ビデオシステム
US6476805B1 (en) 1999-12-23 2002-11-05 Microsoft Corporation Techniques for spatial displacement estimation and multi-resolution operations on light fields
US6654503B1 (en) 2000-04-28 2003-11-25 Sun Microsystems, Inc. Block-based, adaptive, lossless image coder
US6724818B1 (en) 2000-07-17 2004-04-20 Telefonaktiebolaget Lm Ericsson (Publ) Alternative block orders for better prediction
CN1142683C (zh) 2000-10-13 2004-03-17 清华大学 无转置行列分离二维离散余弦正反变换电路及其方法
JP2002135126A (ja) 2000-10-26 2002-05-10 Seiko Epson Corp 半導体装置及びこれを用いた電子機器
TW589870B (en) 2000-12-19 2004-06-01 Pts Corp Adaptive transforms
US6856701B2 (en) 2001-09-14 2005-02-15 Nokia Corporation Method and system for context-based adaptive binary arithmetic coding
CN101448162B (zh) 2001-12-17 2013-01-02 微软公司 处理视频图像的方法
WO2003053066A1 (en) * 2001-12-17 2003-06-26 Microsoft Corporation Skip macroblock coding
US7190840B2 (en) 2002-01-07 2007-03-13 Hewlett-Packard Development Company, L.P. Transform coefficient compression using multiple scans
JP4447197B2 (ja) 2002-01-07 2010-04-07 三菱電機株式会社 動画像符号化装置および動画像復号装置
KR100468844B1 (ko) 2002-01-07 2005-01-29 삼성전자주식회사 정지영상 및 동영상을 부호화/복호화하기 위한변환계수들의 최적주사방법
MXPA04006814A (es) 2002-01-14 2004-12-06 Nokia Corp Filtros dinamicos de codificacion.
RU2354073C2 (ru) 2002-01-22 2009-04-27 Нокиа Корпорейшн Кодирование коэффициентов преобразования в кодерах и/или декодерах изображения и видеоданных
US6757576B2 (en) 2002-02-05 2004-06-29 Gcc, Inc. System and method for drawing and manufacturing bent pipes
KR100508798B1 (ko) 2002-04-09 2005-08-19 엘지전자 주식회사 쌍방향 예측 블록 예측 방법
US20060218482A1 (en) 2002-04-19 2006-09-28 Droplet Technology, Inc. Mobile imaging application, device architecture, service platform architecture and services
US7170937B2 (en) 2002-05-01 2007-01-30 Texas Instruments Incorporated Complexity-scalable intra-frame prediction technique
ES2270246T3 (es) 2002-05-02 2007-04-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Procedimiento y disposicion para la codificacion de coeficientes de transformacion en codificadores y decodificadores de imagen y/o de video asi como programa informatico correspondiente y medio de almacenamiento correspondiente legible por ordenador.
EP2860979A1 (en) 2002-05-28 2015-04-15 Sharp Kabushiki Kaisha Method and systems for image intra-prediction mode estimation, communication, and organization
US7145948B2 (en) 2002-05-29 2006-12-05 Koninklijke Philips Electronics N.V. Entropy constrained scalar quantizer for a Laplace-Markov source
US20030231795A1 (en) 2002-06-12 2003-12-18 Nokia Corporation Spatial prediction based intra-coding
RU2314656C2 (ru) 2002-06-11 2008-01-10 Нокиа Корпорейшн Внутреннее кодирование, основанное на пространственном прогнозировании
US7289674B2 (en) 2002-06-11 2007-10-30 Nokia Corporation Spatial prediction based intra coding
CN100566420C (zh) 2002-07-15 2009-12-02 株式会社日立制作所 动态图像的编码方法
US6795584B2 (en) 2002-10-03 2004-09-21 Nokia Corporation Context-based adaptive variable length coding for adaptive block transforms
US7463782B2 (en) 2002-11-05 2008-12-09 Canon Kabushiki Kaisha Data encoding with an amplitude model and path between the data and corresponding decoding
US20040091047A1 (en) 2002-11-11 2004-05-13 Sony Corporation Method and apparatus for nonlinear multiple motion model and moving boundary extraction
FI116710B (fi) 2002-12-20 2006-01-31 Oplayo Oy Kuvien koodausmenetelmä ja -järjestely
US20070036215A1 (en) 2003-03-03 2007-02-15 Feng Pan Fast mode decision algorithm for intra prediction for advanced video coding
KR100750110B1 (ko) 2003-04-22 2007-08-17 삼성전자주식회사 ４×４인트라 휘도 예측 모드 결정방법 및 장치
JP3756897B2 (ja) 2003-07-30 2006-03-15 株式会社東芝 動画像符号化装置及び動画像符号化方法
US7289562B2 (en) 2003-08-01 2007-10-30 Polycom, Inc. Adaptive filter to improve H-264 video quality
US20050036549A1 (en) 2003-08-12 2005-02-17 Yong He Method and apparatus for selection of scanning mode in dual pass encoding
US7688894B2 (en) 2003-09-07 2010-03-30 Microsoft Corporation Scan patterns for interlaced video content
US7782954B2 (en) 2003-09-07 2010-08-24 Microsoft Corporation Scan patterns for progressive video content
US7379608B2 (en) 2003-12-04 2008-05-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. Arithmetic coding for transforming video and picture data units
JP4142563B2 (ja) 2003-12-12 2008-09-03 株式会社エヌ・ティ・ティ・ドコモ 動画像符号化装置、動画像符号化方法、及び動画像符号化プログラム
JP4127818B2 (ja) 2003-12-24 2008-07-30 株式会社東芝 動画像符号化方法及びその装置
US7142231B2 (en) 2003-12-29 2006-11-28 Nokia Corporation Method and apparatus for improved handset multi-tasking, including pattern recognition and augmentation of camera images
EP1558039A1 (en) 2004-01-21 2005-07-27 Deutsche Thomson-Brandt Gmbh Method and apparatus for generating/evaluating prediction information in picture signal encoding/decoding
CN100479527C (zh) 2004-02-26 2009-04-15 联合信源数字音视频技术（北京）有限公司 一种帧内预测模式选取方法
JP5037938B2 (ja) 2004-04-28 2012-10-03 日立コンシューマエレクトロニクス株式会社 画像の符号化／復号化装置、符号化／復号化プログラム及び符号化／復号化方法
JP4542447B2 (ja) 2005-02-18 2010-09-15 株式会社日立製作所 画像の符号化／復号化装置、符号化／復号化プログラム及び符号化／復号化方法
US8731054B2 (en) 2004-05-04 2014-05-20 Qualcomm Incorporated Method and apparatus for weighted prediction in predictive frames
US8369402B2 (en) 2004-06-17 2013-02-05 Canon Kabushiki Kaisha Apparatus and method for prediction modes selection based on image formation
US7664184B2 (en) 2004-07-21 2010-02-16 Amimon Ltd. Interpolation image compression
JP2008519484A (ja) 2004-11-04 2008-06-05 トムソン ライセンシング ビデオ・エンコーダにおける高速イントラ・モード予測
JP2006140758A (ja) 2004-11-12 2006-06-01 Toshiba Corp 動画像符号化方法、動画像符号化装置および動画像符号化プログラム
JP4763422B2 (ja) 2004-12-03 2011-08-31 パナソニック株式会社 イントラ予測装置
US8311119B2 (en) 2004-12-31 2012-11-13 Microsoft Corporation Adaptive coefficient scan order
US20060153295A1 (en) 2005-01-12 2006-07-13 Nokia Corporation Method and system for inter-layer prediction mode coding in scalable video coding
US7751478B2 (en) 2005-01-21 2010-07-06 Seiko Epson Corporation Prediction intra-mode selection in an encoder
US7706443B2 (en) 2005-03-11 2010-04-27 General Instrument Corporation Method, article of manufacture, and apparatus for high quality, fast intra coding usable for creating digital video content
JP2006295408A (ja) 2005-04-07 2006-10-26 Matsushita Electric Ind Co Ltd 画像符号化装置及び画像符号化プログラム
EP1711018A1 (en) 2005-04-08 2006-10-11 Thomson Licensing Method and apparatus for encoding video pictures, and method and apparatus for decoding video pictures
KR20080006607A (ko) 2005-04-12 2008-01-16 노키아 코포레이션 편차 제어를 통한 움직임 보상된 미세 입도 규모 가변성비디오 부호화를 위한 방법 및 시스템
EP1768415A1 (en) 2005-09-27 2007-03-28 Matsushita Electric Industrial Co., Ltd. Adaptive scan order of DCT coefficients and its signaling
KR100703200B1 (ko) 2005-06-29 2007-04-06 한국산업기술대학교산학협력단 인트라 부호화 장치 및 방법
KR101088375B1 (ko) 2005-07-21 2011-12-01 삼성전자주식회사 가변 블록 변환 장치 및 방법 및 이를 이용한 영상부호화/복호화 장치 및 방법
US20090123066A1 (en) 2005-07-22 2009-05-14 Mitsubishi Electric Corporation Image encoding device, image decoding device, image encoding method, image decoding method, image encoding program, image decoding program, computer readable recording medium having image encoding program recorded therein,
JP4542107B2 (ja) 2005-07-22 2010-09-08 三菱電機株式会社 画像復号装置及び画像復号方法
US7933337B2 (en) 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
JP2007053561A (ja) 2005-08-17 2007-03-01 Matsushita Electric Ind Co Ltd 画像符号化装置および画像符号化方法
JP4650173B2 (ja) 2005-09-05 2011-03-16 ソニー株式会社 符号化装置、符号化方法、符号化方法のプログラム及び符号化方法のプログラムを記録した記録媒体
US20070070082A1 (en) 2005-09-27 2007-03-29 Ati Technologies, Inc. Sample-level screen-door transparency using programmable transparency sample masks
EP2733951A1 (en) 2005-10-21 2014-05-21 Electronics and Telecommunications Research Institute Method for decoding moving picture using adaptive scanning
JP4918099B2 (ja) 2005-11-30 2012-04-18 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 係数再整列を適用するエンコード方法および装置
US7529484B2 (en) 2005-12-14 2009-05-05 Nec Laboratories America, Inc. Triplexer transceiver using parallel signal detection
CN1801940A (zh) 2005-12-15 2006-07-12 清华大学 整型变换电路和整型变换方法
US7944965B2 (en) 2005-12-19 2011-05-17 Seiko Epson Corporation Transform domain based distortion cost estimation
US8000539B2 (en) 2005-12-21 2011-08-16 Ntt Docomo, Inc. Geometrical image representation and compression
JP2007189276A (ja) 2006-01-11 2007-07-26 Victor Co Of Japan Ltd 画像圧縮装置及び画像圧縮プログラム
KR101246294B1 (ko) 2006-03-03 2013-03-21 삼성전자주식회사 영상의 인트라 예측 부호화, 복호화 방법 및 장치
JP2007267123A (ja) 2006-03-29 2007-10-11 Victor Co Of Japan Ltd 動画像符号化装置
US8036264B2 (en) 2006-05-23 2011-10-11 Lsi Corporation Memory management in video decoding systems
US20080008246A1 (en) 2006-07-05 2008-01-10 Debargha Mukherjee Optimizing video coding
JP2008022405A (ja) 2006-07-14 2008-01-31 Sony Corp 画像処理装置および方法、並びに、プログラム
KR100882949B1 (ko) 2006-08-17 2009-02-10 한국전자통신연구원 화소 유사성에 따라 적응적인 이산 코사인 변환 계수스캐닝을 이용한 부호화/복호화 장치 및 그 방법
BRPI0719853A2 (pt) 2006-10-10 2014-06-03 Nippon Telegraph & Telephone Método e aparelho de controle de codificação de intrapredição, programa para o mesmo, e meio de armazenamento o qual armazena o programa
JP4908180B2 (ja) 2006-12-20 2012-04-04 株式会社東芝 動画像符号化装置
KR101366086B1 (ko) 2007-01-03 2014-02-21 삼성전자주식회사 잔차 블록의 계수들에 대한 부호화 결정 방법, 장치,인코더 및 디코더
EP2136564A1 (en) 2007-01-09 2009-12-23 Kabushiki Kaisha Toshiba Image encoding and decoding method and device
JP2008193627A (ja) 2007-01-12 2008-08-21 Mitsubishi Electric Corp 画像符号化装置、画像復号装置、および画像符号化方法、画像復号方法
KR101365570B1 (ko) 2007-01-18 2014-02-21 삼성전자주식회사 인트라 예측 부호화, 복호화 방법 및 장치
ES2355850T3 (es) 2007-01-18 2011-03-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Flujo de datos de vídeo con calidad ajustable a escala.
US8238428B2 (en) 2007-04-17 2012-08-07 Qualcomm Incorporated Pixel-by-pixel weighting for intra-frame coding
US8428133B2 (en) 2007-06-15 2013-04-23 Qualcomm Incorporated Adaptive coding of video block prediction mode
US8571104B2 (en) 2007-06-15 2013-10-29 Qualcomm, Incorporated Adaptive coefficient scanning in video coding
EP3410706B1 (en) 2007-06-29 2021-12-01 Velos Media International Limited Image encoding device and image decoding device
US8437564B2 (en) 2007-08-07 2013-05-07 Ntt Docomo, Inc. Image and video compression using sparse orthonormal transforms
TW200910971A (en) 2007-08-22 2009-03-01 Univ Nat Cheng Kung Direction detection algorithms for H.264 intra prediction
JP5004180B2 (ja) 2007-11-07 2012-08-22 Ｋｄｄｉ株式会社 動画像符号化装置および復号装置
WO2009080133A1 (en) 2007-12-21 2009-07-02 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive intra mode selection
EP2081386A1 (en) 2008-01-18 2009-07-22 Panasonic Corporation High precision edge prediction for intracoding
US8024121B2 (en) 2008-01-25 2011-09-20 Smith International, Inc. Data compression method for use in downhole applications
CN101577605B (zh) * 2008-05-08 2014-06-18 吴志军 基于滤波器相似度的语音lpc隐藏和提取算法
KR101549823B1 (ko) 2008-09-02 2015-09-04 삼성전자주식회사 적응적 이진화를 이용한 영상 부호화, 복호화 방법 및 장치
KR20100027384A (ko) 2008-09-02 2010-03-11 삼성전자주식회사 예측 모드 결정 방법 및 장치
US20100172409A1 (en) 2009-01-06 2010-07-08 Qualcom Incorporated Low-complexity transforms for data compression and decompression
JP5416271B2 (ja) 2009-04-20 2014-02-12 ドルビー ラボラトリーズ ライセンシング コーポレイション 多層映像配信のための適応補間フィルタ
WO2011031332A1 (en) 2009-09-14 2011-03-17 Thomson Licensing Methods and apparatus for efficient video encoding and decoding of intra prediction mode
US20110116539A1 (en) 2009-11-13 2011-05-19 Freescale Semiconductor, Inc. Method and apparatus for video decoding with reduced complexity inverse transform
US20110317757A1 (en) 2010-06-25 2011-12-29 Qualcomm Incorporated Intra prediction mode signaling for finer spatial prediction directions
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
US10992958B2 (en) 2010-12-29 2021-04-27 Qualcomm Incorporated Video coding using mapped transforms and scanning modes
US9807424B2 (en) 2011-01-10 2017-10-31 Qualcomm Incorporated Adaptive selection of region size for identification of samples in a transition zone for overlapped block motion compensation
KR101951696B1 (ko) * 2011-10-17 2019-02-25 주식회사 케이티 화면 내 예측 모드에 기초한 적응적인 변환 방법 및 이러한 방법을 사용하는 장치
KR20130049526A (ko) * 2011-11-04 2013-05-14 오수미 복원 블록 생성 방법
US9883203B2 (en) 2011-11-18 2018-01-30 Qualcomm Incorporated Adaptive overlapped block motion compensation
US20130182772A1 (en) * 2012-01-13 2013-07-18 Qualcomm Incorporated Determining contexts for coding transform coefficient data in video coding
US9307264B2 (en) * 2012-06-22 2016-04-05 Sharp Kabushiki Kaisha Arithmetic decoding device, arithmetic coding device, image decoding apparatus, and image coding apparatus
US20140307780A1 (en) * 2013-04-11 2014-10-16 Mitsubishi Electric Research Laboratories, Inc. Method for Video Coding Using Blocks Partitioned According to Edge Orientations
CN103402097B (zh) * 2013-08-15 2016-08-10 清华大学深圳研究生院 一种自由视点视频深度图编码方法及其失真预测方法
US10278767B2 (en) * 2014-03-27 2019-05-07 Endomedical Concepts, Inc. Vaporization electrodes and electrosurgical devices equipped therewith
US10230980B2 (en) 2015-01-26 2019-03-12 Qualcomm Incorporated Overlapped motion compensation for video coding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12219172B2 (en) * 2018-09-21 2025-02-04 Canon Kabushiki Kaisha Video coding and decoding
US12231677B2 (en) * 2018-09-21 2025-02-18 Canon Kabushiki Kaisha Video coding and decoding

Also Published As

Publication number Publication date
CA2971880A1 (en) 2016-08-04
KR20170107452A (ko) 2017-09-25
EP3251364C0 (en) 2025-04-09
ES3023710T3 (en) 2025-06-03
CN107211144A (zh) 2017-09-26
EP3251364A1 (en) 2017-12-06
KR102452745B1 (ko) 2022-10-07
EP3251364B1 (en) 2025-04-09
TW201637446A (zh) 2016-10-16
TWI686076B (zh) 2020-02-21
US20160219290A1 (en) 2016-07-28
US10306229B2 (en) 2019-05-28
JP6768675B2 (ja) 2020-10-14
CN107211144B (zh) 2020-01-03
EA038534B1 (ru) 2021-09-10
JP2018506905A (ja) 2018-03-08
EA201791457A1 (ru) 2017-12-29
WO2016123091A1 (en) 2016-08-04
TN2017000286A1 (en) 2019-01-16
BR112017016012A2 (pt) 2018-03-20

Similar Documents

Publication Publication Date Title
US11647194B2 (en) Look-up table for enhanced multiple transform
EP3251364B1 (en) Enhanced multiple transforms for prediction residual
EP3639518B1 (en) Intra filtering applied together with transform processing in video coding
CN109716772B (zh) 用于视频译码的变换选择
US9654806B2 (en) Determining palette size, palette entries and filtering of palette coded blocks in video coding
EP3090552B1 (en) Quantization of the escape pixels of a video block in palette coding mode
KR102409816B1 (ko) 비디오 코딩을 위한 팔레트 모드 코딩
KR102344232B1 (ko) 비디오 코딩을 위한 런 길이 코드를 이용한 팔레트 예측자 시그널링
KR20170116026A (ko) 비디오 코딩에서의 팔레트 블록 사이즈에 대한 제한
OA18315A (en) Enhanced multiple transforms for prediction residual.
BR112017016012B1 (pt) Múltiplas transformadas melhoradas para residual de predição

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20201229

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 9TH ANNIV.) - STANDARD

Year of fee payment: 9

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20241216

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT

Effective date: 20241216

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20241216

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 10TH ANNIV.) - STANDARD

Year of fee payment: 10

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20251209

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20251209