CA2971880C - Enhanced multiple transforms for prediction residual - Google Patents

Enhanced multiple transforms for prediction residual Download PDF

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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
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transform
subset
block
video
transforms
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CA2971880A1 (en
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Xin Zhao
Sungwon Lee
Jianle Chen
Li Zhang
Xiang Li
Ying Chen
Marta Karczewicz
Hongbin Liu
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Qualcomm Inc
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Qualcomm Inc
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    • 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
    • H04N19/102Methods 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
    • H04N19/129Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/103Selection of coding mode or of prediction 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
    • H04N19/102Methods 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
    • H04N19/109Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/112Selection of coding mode or of prediction mode according to 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
    • H04N19/102Methods 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
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • 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
    • H04N19/167Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/60Methods 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
    • H04N19/70Methods 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

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  • 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 2016-01-25
US15/005,736 US10306229B2 (en) 2015-01-26 2016-01-25 Enhanced multiple transforms for prediction residual
PCT/US2016/014898 WO2016123091A1 (en) 2015-01-26 2016-01-26 Enhanced multiple transforms for prediction residual

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CA2971880C true CA2971880C (en) 2023-12-19

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EP (1) EP3251364B1 (cg-RX-API-DMAC7.html)
JP (1) JP6768675B2 (cg-RX-API-DMAC7.html)
KR (1) KR102452745B1 (cg-RX-API-DMAC7.html)
CN (1) CN107211144B (cg-RX-API-DMAC7.html)
CA (1) CA2971880C (cg-RX-API-DMAC7.html)
EA (1) EA038534B1 (cg-RX-API-DMAC7.html)
ES (1) ES3023710T3 (cg-RX-API-DMAC7.html)
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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 (169)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101725818B1 (ko) 2012-06-29 2017-04-11 한국전자통신연구원 영상 부호화/복호화 방법 및 장치
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
US20170150176A1 (en) 2015-11-25 2017-05-25 Qualcomm Incorporated Linear-model prediction with non-square prediction units in video coding
WO2017138393A1 (en) 2016-02-08 2017-08-17 Sharp Kabushiki Kaisha Systems and methods for intra prediction coding
WO2017137312A1 (en) * 2016-02-12 2017-08-17 Thomson, Licensing A method and device for intra-predictive encoding/decoding a coding unit comprising picture data, said intra-predictive encoding depending on a prediction tree and a transform tree
US10623774B2 (en) 2016-03-22 2020-04-14 Qualcomm Incorporated Constrained block-level optimization and signaling for video coding tools
ES2710807B1 (es) * 2016-03-28 2020-03-27 Kt Corp Metodo y aparato para procesar senales de video
US10547854B2 (en) 2016-05-13 2020-01-28 Qualcomm Incorporated Neighbor based signaling of intra prediction modes
WO2017195555A1 (ja) * 2016-05-13 2017-11-16 シャープ株式会社 画像復号装置および画像符号化装置
EP4319162A3 (en) 2016-06-24 2024-04-10 KT Corporation Method and apparatus for processing video signal
EP3985967B1 (en) * 2016-07-05 2025-08-20 KT Corporation Method and apparatus for processing video signal
WO2018012830A1 (ko) * 2016-07-13 2018-01-18 한국전자통신연구원 영상 부호화/복호화 방법 및 장치
CN109716767B (zh) * 2016-07-14 2021-09-21 弗劳恩霍夫应用研究促进协会 使用基于变换的残差编码的预测图像编码
CN109691112B (zh) 2016-08-31 2023-09-26 株式会社Kt 用于处理视频信号的方法和设备
US10764583B2 (en) * 2016-08-31 2020-09-01 Kt Corporation Method and apparatus for processing video signal
WO2018044125A1 (ko) * 2016-09-01 2018-03-08 엘지전자(주) 레이어드 기븐스 변환을 이용하여 변환을 수행하는 방법 및 장치
US10880564B2 (en) 2016-10-01 2020-12-29 Qualcomm Incorporated Transform selection for video coding
US10506228B2 (en) 2016-10-04 2019-12-10 Qualcomm Incorporated Variable number of intra modes for video coding
CN120980228A (zh) * 2016-10-04 2025-11-18 有限公司B1影像技术研究所 图像编码/解码方法和计算机可读记录介质
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
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
EP3565249A4 (en) * 2016-12-28 2019-12-18 Sony Corporation IMAGE PROCESSING DEVICE AND METHOD
RU2745779C2 (ru) * 2017-01-03 2021-03-31 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ обработки изображений и устройство для этого
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
WO2018166429A1 (en) * 2017-03-16 2018-09-20 Mediatek Inc. Method and apparatus of enhanced multiple transforms and non-separable secondary transform for video coding
US10701391B2 (en) 2017-03-23 2020-06-30 Qualcomm Incorporated Motion vector difference (MVD) 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
US20180288439A1 (en) * 2017-03-31 2018-10-04 Mediatek Inc. Multiple Transform Prediction
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
WO2019004749A1 (ko) * 2017-06-28 2019-01-03 엘지전자 주식회사 비디오 압축을 위한 변환 커널의 저복잡도 연산을 수행하는 방법 및 장치
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
KR20240015154A (ko) 2017-08-04 2024-02-02 엘지전자 주식회사 비디오 압축을 위한 변환을 구성하는 방법 및 장치
EP3451663A1 (en) * 2017-08-31 2019-03-06 Thomson Licensing Pools of transforms for local selection of a set of transforms in video coding
WO2019045544A1 (ko) * 2017-09-03 2019-03-07 엘지전자 주식회사 레이어드 기븐스 변환을 이용하여 변환을 수행하는 방법 및 장치
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
EP4307676A3 (en) * 2017-12-21 2024-03-13 LG Electronics Inc. Method for coding image on basis of selective transform and device therefor
US20200359025A1 (en) * 2017-12-22 2020-11-12 Interdigital Vc Holdings, Inc. Method and apparatus for video compression using efficient multiple transforms
EP3503549A1 (en) * 2017-12-22 2019-06-26 Thomson Licensing Method and apparatus for video compression using efficient multiple transforms
CN115065821B (zh) * 2017-12-28 2024-03-15 松下电器(美国)知识产权公司 编码装置和解码装置
US10812797B2 (en) * 2018-02-05 2020-10-20 Tencent America LLC Method, apparatus and medium for decoding or encoding using a low-complexity transform
SG11202008036TA (en) * 2018-02-23 2020-09-29 Huawei Technologes Co Ltd Position dependent spatial varying transform for video coding
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
EP3777165A1 (en) * 2018-03-29 2021-02-17 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Determination of set of candidate transforms for video encoding
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
KR102631119B1 (ko) * 2018-04-01 2024-01-29 엘지전자 주식회사 축소된 2차 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
WO2019194505A1 (ko) * 2018-04-01 2019-10-10 엘지전자 주식회사 축소된 회전기반 변환을 이용하여 비디오 신호를 처리하는 방법 및 장치
US11297348B2 (en) * 2018-04-13 2022-04-05 Mediatek Inc. Implicit transform settings for coding a block of pixels
BR112020020046A2 (pt) * 2018-05-02 2021-01-05 Interdigital Vc Holdings, Inc. Codificação e decodificação de um vídeo
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)
HUE063475T2 (hu) 2018-05-31 2024-01-28 Huawei Tech Co Ltd Térben változó transzformáció adaptív transzformációtípussal
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
CN116320413B (zh) * 2018-07-02 2025-12-09 Oppo广东移动通信有限公司 对视频信号进行编解码的设备和发送图像的数据的设备
EP3806475B1 (en) * 2018-07-06 2023-05-10 LG Electronics, Inc. Transform-based image coding method and device
WO2020011860A1 (en) 2018-07-13 2020-01-16 Telefonaktiebolaget Lm Ericsson (Publ) Transform selection in a video encoder and/or video decoder
US11259052B2 (en) * 2018-07-16 2022-02-22 Qualcomm Incorporated Transform variations of multiple separable transform selection
TWI816858B (zh) * 2018-08-16 2023-10-01 大陸商北京字節跳動網絡技術有限公司 用於變換矩陣選擇的隱式編碼
CN112567754B (zh) * 2018-08-22 2022-09-20 寰发股份有限公司 转换系数编码或解码的方法与装置
KR102785222B1 (ko) * 2018-09-02 2025-03-20 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
KR102850078B1 (ko) * 2018-09-02 2025-08-25 엘지전자 주식회사 다중 변환 선택에 기반한 영상 코딩 방법 및 그 장치
WO2020056760A1 (en) * 2018-09-21 2020-03-26 Alibaba Group Holding Limited Transform selection for small size block
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
KR20240014624A (ko) * 2018-09-23 2024-02-01 엘지전자 주식회사 비디오 신호의 부호화/복호화 방법 및 이를 위한 장치
JP7005755B2 (ja) * 2018-10-05 2022-01-24 エルジー エレクトロニクス インコーポレイティド Mpmリストを使用するイントラ予測基盤画像コーディング方法及びその装置
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
US11128866B2 (en) 2018-10-18 2021-09-21 Qualcomm Incorporated Scans and last coefficient position coding for zero-out transforms
GB2578151B (en) 2018-10-18 2021-06-09 Canon Kk Video coding and decoding
GB2595053B (en) 2018-10-18 2022-07-06 Canon Kk Video coding and decoding
MX2021005493A (es) * 2018-11-12 2021-06-18 Lg Electronics Inc Metodo para codificar el coeficiente de transformacion con base en la puesta a cero de frecuencia alta y aparato del mismo.
CN113302924B (zh) * 2018-11-22 2024-09-17 交互数字Vc控股公司 用于视频编码和解码的量化
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
CN115426495B (zh) * 2018-12-17 2024-05-28 Lg电子株式会社 图像编码/解码方法及发送数据的方法
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
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
ES3047711T3 (en) * 2018-12-28 2025-12-04 Ericsson Telefon Ab L M Method and apparatus for selecting transform selection in an encoder and decoder
KR102807907B1 (ko) 2019-01-01 2025-05-14 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
US11632557B2 (en) 2019-01-01 2023-04-18 Lg Electronics Inc. Method and device for decoding video using residual sign related information in video coding system
US10904563B2 (en) * 2019-01-02 2021-01-26 Tencent America LLC Method and apparatus for improved zero out transform
CN119094748A (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
KR20250024125A (ko) * 2019-01-07 2025-02-18 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
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
EP3918797A4 (en) * 2019-03-10 2023-01-25 HFI Innovation Inc. METHOD AND DEVICE FOR CALCULATION AND REPRESENTATION OF QUANTIZATION MATRICES FOR VIDEO CODING
WO2020185799A1 (en) * 2019-03-11 2020-09-17 Beijing Dajia Internet Information Technology Co., Ltd. Coding of transform coefficients in video coding
KR102461123B1 (ko) 2019-03-11 2022-10-28 엘지전자 주식회사 Ibc 모드를 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
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
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
CN113711597B (zh) * 2019-04-23 2022-11-25 北京字节跳动网络技术有限公司 上下文建模和多重变换矩阵的选择
WO2020228673A1 (en) 2019-05-10 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Conditional use of reduced secondary transform for video processing
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
WO2020244660A1 (en) * 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Motion candidate list construction for video coding
WO2020244662A1 (en) 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Simplified transform coding tools
CN113994666B (zh) 2019-06-06 2025-01-03 北京字节跳动网络技术有限公司 隐式选择变换候选
WO2020244663A1 (en) * 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Applicability of implicit transform selection
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
US11212545B2 (en) 2019-06-07 2021-12-28 Tencent America LLC Method and apparatus for improved implicit transform selection
EP3967032A4 (en) 2019-06-07 2022-07-27 Beijing Bytedance Network Technology Co., Ltd. CONDITIONAL SIGNALING OF A REDUCED SECONDARY TRANSFORM FOR VIDEO BIANARY FLOWS
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
WO2021008513A1 (en) 2019-07-14 2021-01-21 Beijing Bytedance Network Technology Co., Ltd. Transform block size restriction in video coding
AU2020321002B2 (en) 2019-07-26 2023-06-01 Beijing Bytedance Network Technology Co., Ltd. Determination of picture partition mode based on block size
CN117376555A (zh) 2019-08-03 2024-01-09 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
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
CN114258680B (zh) * 2019-08-20 2024-08-02 北京字节跳动网络技术有限公司 经变换跳过的块的残差编解码
US11677984B2 (en) 2019-08-20 2023-06-13 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) signaling
MX2022003187A (es) * 2019-09-19 2022-05-20 Humax Co Ltd Metodo y aparato de procesamiento de se?ales de video usando proceso de escalamiento.
US11184617B2 (en) 2019-09-19 2021-11-23 Qualcomm Incorporated Transform unit design for video coding
WO2021052493A1 (en) 2019-09-20 2021-03-25 Beijing Bytedance Network Technology Co., Ltd. Scaling process for coding block
US11153576B2 (en) 2019-09-20 2021-10-19 Qualcomm Incorporated Scaling matrices and signaling for video coding
HRP20250361T1 (hr) * 2019-09-21 2025-05-09 Lg Electronics Inc. Metoda kodiranja slike temeljena na transformaciji i uređaj za to
US11206400B2 (en) 2019-09-26 2021-12-21 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) simplifications
CN117395415A (zh) * 2019-10-04 2024-01-12 Lg电子株式会社 图像编解码设备和用于发送数据的设备
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
JP7739302B2 (ja) * 2020-02-21 2025-09-16 アリババ グループ ホウルディング リミテッド 最大変換サイズ及び残差符号化方法のシグナリング
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
WO2021194199A1 (ko) * 2020-03-24 2021-09-30 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
KR20220161382A (ko) * 2020-03-26 2022-12-06 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
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
CN116783890A (zh) * 2021-01-25 2023-09-19 谷歌有限责任公司 色度变换类型确定
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
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
EP4604544A1 (en) * 2022-10-12 2025-08-20 LG Electronics Inc. Image encoding/decoding method and device, and recording medium on which bitstream is stored
CN119948877A (zh) * 2022-10-12 2025-05-06 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
WO2024085567A1 (ko) * 2022-10-16 2024-04-25 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
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
CN119968849A (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
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 (cg-RX-API-DMAC7.html) 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
EP1689189A3 (en) 1996-11-07 2008-12-10 Panasonic Corporation Image encoder and image decoder
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
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
CN1134991C (zh) 1997-07-31 2004-01-14 日本胜利株式会社 数字视频信号块间内插预测编码/解码装置及高效编码方法
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
US6674910B1 (en) 1998-11-24 2004-01-06 Hyundai Electronics Industries Co., Ltd. Apparatus and method for image-compression encoding and decoding using adaptive transform
MXPA02004015A (es) 1999-10-22 2003-09-25 Activesky Inc Un sistema de video orientado a los objetos.
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
WO2002051157A2 (en) 2000-12-19 2002-06-27 Pulsent Corporation 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
ES2610430T3 (es) * 2001-12-17 2017-04-27 Microsoft Technology Licensing, Llc Codificación por omisión de macrobloques
KR100468844B1 (ko) 2002-01-07 2005-01-29 삼성전자주식회사 정지영상 및 동영상을 부호화/복호화하기 위한변환계수들의 최적주사방법
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
US7190840B2 (en) 2002-01-07 2007-03-13 Hewlett-Packard Development Company, L.P. Transform coefficient compression using multiple scans
AU2003201069C1 (en) 2002-01-14 2008-11-06 Nokia Technologies Oy Coding dynamic filters
KR100953677B1 (ko) 2002-01-22 2010-04-20 노키아 코포레이션 이미지/비디오 부호기들 및/또는 복호기들에서 변환계수들의 부호화
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
EP1467491B1 (de) 2002-05-02 2007-01-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Arithmetische Codierung von Transformationskoeffizienten
EP1553782A3 (en) 2002-05-28 2005-07-27 Sharp Kabushiki Kaisha Methods 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
US7289674B2 (en) 2002-06-11 2007-10-30 Nokia Corporation Spatial prediction based intra coding
RU2314656C2 (ru) 2002-06-11 2008-01-10 Нокиа Корпорейшн Внутреннее кодирование, основанное на пространственном прогнозировании
CN101039427B (zh) 2002-07-15 2010-06-16 株式会社日立制作所 动态图像的解码方法
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
JP4509104B2 (ja) 2003-03-03 2010-07-21 エージェンシー・フォア・サイエンス・テクノロジー・アンド・リサーチ 高度動画像符号化におけるイントラ予測のための高速モード決定アルゴリズム
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
US7782954B2 (en) 2003-09-07 2010-08-24 Microsoft Corporation Scan patterns for progressive video content
US7688894B2 (en) 2003-09-07 2010-03-30 Microsoft Corporation Scan patterns for interlaced 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
WO2005107267A1 (ja) 2004-04-28 2005-11-10 Hitachi, Ltd. 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
BRPI0517069A (pt) 2004-11-04 2008-09-30 Thomson Licensing previsão rápida intra modo para um codificador de vìdeo
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
TW200704202A (en) 2005-04-12 2007-01-16 Nokia Corp Method and system for motion compensated fine granularity scalable video coding with drift control
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
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
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,
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
EP1949703A4 (en) 2005-10-21 2011-03-16 Korea Electronics Telecomm DEVICE AND METHOD FOR CODING AND DECODING A MOVABLE IMAGE USING ADAPTIVE SENSING
WO2007063472A2 (en) 2005-11-30 2007-06-07 Koninklijke Philips Electronics N.V. Encoding method and apparatus applying coefficient reordering
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
WO2008044658A1 (fr) 2006-10-10 2008-04-17 Nippon Telegraph And Telephone Corporation Procédé et dispositif d'encodage intra prévision, son programme et programme contenant un support de stockage
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
JPWO2008084817A1 (ja) 2007-01-09 2010-05-06 株式会社東芝 画像符号化と復号化の方法及び装置
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
CA2675891C (en) 2007-01-18 2013-04-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Quality scalable video data stream
KR101365570B1 (ko) 2007-01-18 2014-02-21 삼성전자주식회사 인트라 예측 부호화, 복호화 방법 및 장치
US8238428B2 (en) 2007-04-17 2012-08-07 Qualcomm Incorporated Pixel-by-pixel weighting for intra-frame coding
US8571104B2 (en) 2007-06-15 2013-10-29 Qualcomm, Incorporated Adaptive coefficient scanning in video coding
US8428133B2 (en) 2007-06-15 2013-04-23 Qualcomm Incorporated Adaptive coding of video block prediction mode
WO2009004985A1 (ja) 2007-06-29 2009-01-08 Sharp Kabushiki Kaisha 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、プログラム、および記録媒体
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
CN101971631B (zh) 2007-12-21 2013-03-27 艾利森电话股份有限公司 自适应帧内模式选择
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
WO2010123862A1 (en) 2009-04-20 2010-10-28 Dolby Laboratories Licensing Corporation Adaptive interpolation filters for multi-layered video delivery
EP2478702B8 (en) 2009-09-14 2017-09-06 Thomson Licensing DTV 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
US9661338B2 (en) 2010-07-09 2017-05-23 Qualcomm Incorporated Coding syntax elements for adaptive scans of transform coefficients 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
US9253481B2 (en) * 2012-01-13 2016-02-02 Qualcomm Incorporated Determining contexts for coding transform coefficient data in video coding
JPWO2013190990A1 (ja) * 2012-06-22 2016-05-26 シャープ株式会社 算術復号装置、算術符号化装置、画像復号装置、および画像符号化装置
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

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