BR112016023401A2 - determinação de região de busca para cópia de intrabloco em codificação de vídeo - Google Patents

determinação de região de busca para cópia de intrabloco em codificação de vídeo

Info

Publication number
BR112016023401A2
BR112016023401A2 BR112016023401A BR112016023401A BR112016023401A2 BR 112016023401 A2 BR112016023401 A2 BR 112016023401A2 BR 112016023401 A BR112016023401 A BR 112016023401A BR 112016023401 A BR112016023401 A BR 112016023401A BR 112016023401 A2 BR112016023401 A2 BR 112016023401A2
Authority
BR
Brazil
Prior art keywords
determination
video encoding
search region
intrablock copy
intrablock
Prior art date
Application number
BR112016023401A
Other languages
English (en)
Inventor
pang Chao
Hsieh Cheng-Teh
Sole Rojals Joel
Karczewicz Marta
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 BR112016023401A2 publication Critical patent/BR112016023401A2/pt

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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/182—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/563—Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/57—Motion estimation characterised by a search window with variable size or shape
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112016023401A 2014-03-21 2015-03-20 determinação de região de busca para cópia de intrabloco em codificação de vídeo BR112016023401A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201461968999P 2014-03-21 2014-03-21
US14/663,161 US10477232B2 (en) 2014-03-21 2015-03-19 Search region determination for intra block copy in video coding
PCT/US2015/021789 WO2015143346A1 (en) 2014-03-21 2015-03-20 Search region determination for intra block copy in video coding

Publications (1)

Publication Number Publication Date
BR112016023401A2 true BR112016023401A2 (pt) 2018-06-19

Family

ID=54143335

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016023401A BR112016023401A2 (pt) 2014-03-21 2015-03-20 determinação de região de busca para cópia de intrabloco em codificação de vídeo

Country Status (7)

Country Link
US (1) US10477232B2 (pt)
EP (1) EP3120558A1 (pt)
JP (1) JP2017513361A (pt)
KR (1) KR20160135226A (pt)
CN (1) CN106134196A (pt)
BR (1) BR112016023401A2 (pt)
WO (1) WO2015143346A1 (pt)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2925183C (en) 2013-10-14 2020-03-10 Microsoft Technology Licensing, Llc Features of base color index map mode for video and image coding and decoding
EP3058736B1 (en) 2013-10-14 2019-02-27 Microsoft Technology Licensing, LLC Encoder-side options for intra block copy prediction mode for video and image coding
KR102257269B1 (ko) 2013-10-14 2021-05-26 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 비디오 및 이미지 코딩 및 디코딩을 위한 인트라 블록 카피 예측 모드의 피쳐
JP6355744B2 (ja) 2014-01-03 2018-07-11 マイクロソフト テクノロジー ライセンシング，エルエルシー ビデオ及び画像符号化／デコーディングにおけるブロックベクトル予測
US11284103B2 (en) 2014-01-17 2022-03-22 Microsoft Technology Licensing, Llc Intra block copy prediction with asymmetric partitions and encoder-side search patterns, search ranges and approaches to partitioning
US10542274B2 (en) 2014-02-21 2020-01-21 Microsoft Technology Licensing, Llc Dictionary encoding and decoding of screen content
US10432928B2 (en) 2014-03-21 2019-10-01 Qualcomm Incorporated Using a current picture as a reference for video coding
EP3158734A4 (en) 2014-06-19 2017-04-26 Microsoft Technology Licensing, LLC Unified intra block copy and inter prediction modes
CA2951009A1 (en) * 2014-06-20 2015-12-23 Sony Corporation Image encoding device and method, and image decoding device and method
CA2959682C (en) * 2014-09-30 2022-12-06 Microsoft Technology Licensing, Llc Rules for intra-picture prediction modes when wavefront parallel processing is enabled
GB2531003A (en) * 2014-10-06 2016-04-13 Canon Kk Method and apparatus for vector encoding in video coding and decoding
GB2531001B (en) * 2014-10-06 2019-06-05 Canon Kk Method and apparatus for vector encoding in video coding and decoding
US10165292B2 (en) * 2015-02-02 2018-12-25 Mediatek Inc. Method and apparatus for intra block copy mode in video coding system with pipeline architecture
WO2016188447A1 (en) * 2015-05-28 2016-12-01 Hfi Innovation Inc. Method and apparatus for using a current picture as a reference picture
CN107683606B (zh) * 2015-06-05 2021-11-05 索尼公司 图像处理装置和图像处理方法
WO2016197314A1 (en) 2015-06-09 2016-12-15 Microsoft Technology Licensing, Llc Robust encoding/decoding of escape-coded pixels in palette mode
US10368073B2 (en) * 2015-12-07 2019-07-30 Qualcomm Incorporated Multi-region search range for block prediction mode for display stream compression (DSC)
US10645362B2 (en) * 2016-04-11 2020-05-05 Gopro, Inc. Systems, methods and apparatus for compressing video content
US10999602B2 (en) 2016-12-23 2021-05-04 Apple Inc. Sphere projected motion estimation/compensation and mode decision
US10506230B2 (en) * 2017-01-04 2019-12-10 Qualcomm Incorporated Modified adaptive loop filter temporal prediction for temporal scalability support
EP3580928A1 (en) * 2017-02-08 2019-12-18 Fraunhofer Gesellschaft zur Förderung der Angewand Predictive coding concept using template matching
US11259046B2 (en) 2017-02-15 2022-02-22 Apple Inc. Processing of equirectangular object data to compensate for distortion by spherical projections
US10924747B2 (en) 2017-02-27 2021-02-16 Apple Inc. Video coding techniques for multi-view video
KR102558015B1 (ko) * 2017-04-13 2023-07-21 엘지전자 주식회사 영상의 부호화/복호화 방법 및 이를 위한 장치
US11093752B2 (en) 2017-06-02 2021-08-17 Apple Inc. Object tracking in multi-view video
US10764582B2 (en) * 2017-06-29 2020-09-01 Qualcomm Incorporated Reducing seam artifacts in 360-degree video
US20190005709A1 (en) * 2017-06-30 2019-01-03 Apple Inc. Techniques for Correction of Visual Artifacts in Multi-View Images
US10754242B2 (en) 2017-06-30 2020-08-25 Apple Inc. Adaptive resolution and projection format in multi-direction video
US11290715B2 (en) * 2017-11-29 2022-03-29 Electronics And Telecommunications Research Institute Image encoding/decoding method and device employing in-loop filtering
US11349753B2 (en) * 2017-12-28 2022-05-31 Intel Corporation Converged routing for distributed computing systems
US20190034716A1 (en) 2017-12-28 2019-01-31 Intel Corporation Privacy-preserving demographics identification
US10797863B2 (en) 2017-12-28 2020-10-06 Intel Corporation Multi-domain cascade convolutional neural network
US10986349B2 (en) * 2017-12-29 2021-04-20 Microsoft Technology Licensing, Llc Constraints on locations of reference blocks for intra block copy prediction
US11012715B2 (en) * 2018-02-08 2021-05-18 Qualcomm Incorporated Intra block copy for video coding
CN110365987B (zh) * 2018-04-09 2022-03-25 杭州海康威视数字技术股份有限公司 一种运动矢量确定方法、装置及其设备
WO2019199045A1 (ko) * 2018-04-11 2019-10-17 엘지전자 주식회사 제한된 참조 영역이 설정된 인터 예측을 이용한 영상 코딩 방법 및 그 장치
CN112602324A (zh) 2018-06-22 2021-04-02 Op方案有限责任公司 块水平几何划分
US11019331B2 (en) * 2018-07-16 2021-05-25 Tencent America LLC Method and apparatus for video coding with prediction information
US10848782B2 (en) * 2018-09-21 2020-11-24 Tencent America LLC Method and apparatus for video coding
US11477476B2 (en) 2018-10-04 2022-10-18 Qualcomm Incorporated Affine restrictions for the worst-case bandwidth reduction in video coding
US20200112717A1 (en) * 2018-10-05 2020-04-09 Qualcomm Incorporated Intra block copy prediction restrictions in video coding
US11509919B2 (en) * 2018-10-17 2022-11-22 Tencent America Reference sample memory size restrictions for intra block copy
US11418796B2 (en) * 2018-10-27 2022-08-16 Qualcomm Incorporated Intra block copy prediction restrictions in video coding
US11146805B2 (en) * 2018-11-30 2021-10-12 Tencent America LLC Method and apparatus for video coding
US10999594B2 (en) * 2018-12-20 2021-05-04 Qualcomm Incorporated Virtual search area for current picture referencing (CPR) and intra block copy (IBC)
MX2021009030A (es) * 2019-01-28 2021-10-13 Op Solutions Llc Transformada de coseno discreto adaptable a la forma para particiones geometricas con un numero adaptable de regiones.
SG11202108103WA (en) 2019-01-28 2021-08-30 Op Solutions Llc Inter prediction in geometric partitioning with an adaptive number of regions
WO2020156549A1 (en) 2019-02-02 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Buffer access methods for intra block copy in video coding
CN117395439A (zh) 2019-03-01 2024-01-12 北京字节跳动网络技术有限公司 用于视频编解码中的帧内块复制的基于方向的预测
KR20210125506A (ko) 2019-03-04 2021-10-18 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 코딩에서 인트라 블록 복사를 위한 버퍼 관리
CN114666608B (zh) * 2019-03-09 2024-06-21 腾讯美国有限责任公司 视频编码方法、装置及介质
WO2020197264A1 (ko) * 2019-03-25 2020-10-01 엘지전자 주식회사 비디오 신호를 처리하기 위한 방법 및 장치
US11070816B2 (en) 2019-06-18 2021-07-20 Tencent America LLC Conversion of decoded block vector for intra picture block compensation
JP7338262B2 (ja) * 2019-06-21 2023-09-05 株式会社Ｊｖｃケンウッド 画像符号化装置、画像符号化方法及び画像符号化プログラム
BR112022000358A2 (pt) 2019-07-10 2022-05-10 Beijing Bytedance Network Tech Co Ltd Método e aparelho para processar dados de vídeo e meios de armazenamento e gravação não transitórios legíveis por computador
CN115336277A (zh) * 2020-03-17 2022-11-11 字节跳动有限公司 在视频编解码中使用视频参数集
WO2022114770A1 (ko) * 2020-11-24 2022-06-02 현대자동차주식회사 기하학적 변환에 기반하는 블록 복사를 이용하는 인트라 예측방법과 장치

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0220988A (ja) 1988-07-08 1990-01-24 Fujitsu Ltd 動画像符号化装置における動ベクトル検出方式
US7120196B2 (en) * 2002-04-29 2006-10-10 Ess Technology, Inc. Intra-prediction using intra-macroblock motion compensation
US7440500B2 (en) * 2003-07-15 2008-10-21 Lsi Logic Corporation Supporting motion vectors outside picture boundaries in motion estimation process
US9357228B2 (en) * 2010-05-27 2016-05-31 The Hong Kong University Of Science And Technology Motion estimation of images
US20120163456A1 (en) 2010-12-22 2012-06-28 Qualcomm Incorporated Using a most probable scanning order to efficiently code scanning order information for a video block in video coding
UA109312C2 (uk) 2011-03-04 2015-08-10 Імпульсно-кодова модуляція з квантуванням при кодуванні відеоінформації
US9693070B2 (en) * 2011-06-24 2017-06-27 Texas Instruments Incorporated Luma-based chroma intra-prediction for video coding
US9838684B2 (en) * 2012-04-11 2017-12-05 Qualcomm Incorporated Wavefront parallel processing for video coding
US9467692B2 (en) * 2012-08-31 2016-10-11 Qualcomm Incorporated Intra prediction improvements for scalable video coding
US10904551B2 (en) * 2013-04-05 2021-01-26 Texas Instruments Incorporated Video coding using intra block copy
TWI536811B (zh) * 2013-12-27 2016-06-01 財團法人工業技術研究院 影像處理方法與系統、解碼方法、編碼器與解碼器
US20150264383A1 (en) * 2014-03-14 2015-09-17 Mitsubishi Electric Research Laboratories, Inc. Block Copy Modes for Image and Video Coding
US9591325B2 (en) * 2015-01-27 2017-03-07 Microsoft Technology Licensing, Llc Special case handling for merged chroma blocks in intra block copy prediction mode

Also Published As

Publication number Publication date
WO2015143346A1 (en) 2015-09-24
JP2017513361A (ja) 2017-05-25
US20150271517A1 (en) 2015-09-24
US10477232B2 (en) 2019-11-12
CN106134196A (zh) 2016-11-16
KR20160135226A (ko) 2016-11-25
EP3120558A1 (en) 2017-01-25

Similar Documents

Publication Publication Date Title
BR112016023401A2 (pt) determinação de região de busca para cópia de intrabloco em codificação de vídeo
HK1231659A1 (zh) 統幀內塊複製和幀間預測
DK3275186T3 (da) Udledning af bevægelsesinformation for underblokke i videokodning
SG11201703014RA (en) Method of guided cross-component prediction for video coding
DK3107841T3 (da) Afkølet opbevaringssystem
GB201621542D0 (en) Continuous prediction domain
BR112016010796A2 (pt) método de codificação de vídeo usando predição baseada em cópia intrablocos de imagens
DK3167234T3 (da) Kølesystem
BR112016026699A2 (pt) Métodos para tratar infecções micobacterianas não tuberculosas pulmonares
HK1223758A1 (zh) 用於視頻譯碼的視差向量和/或高級殘差預測
GB201409634D0 (en) Intra block copy mode encoding choice
BR112017006623A2 (pt) tempo de resfriamento para objetos tridimensionais
DK3381190T3 (da) Parallel videokodning
BR112016021475A2 (pt) Dispositivo e método para codificação escalável de informação de vídeo
DK3091741T3 (da) Fremgangsmåde til afkodning af multi-visnings-video
DK3229830T3 (da) Metoder til behandling og forudsigelse af non-hæmatopoietisk maligne tumorer
ES1108530Y (es) Herraje para cierre autoguiado
BR112017001100A2 (pt) método de derivação de vetor de movimento para codificação de vídeo
BR112017012238A2 (pt) partição de buffer temporário para codificação de sobreposição
ES1129380Y (es) Pasarela para playas
BR112016021476A2 (pt) Projeto de valor de poc para codificação de vídeo multicamada
ITUA20161951A1 (it) Libreria
FI10789U1 (fi) Jäähdytetty järjestelmä
ES1140932Y (es) Carena multicasco para embarcaciones
FR3022063B1 (fr) Systeme de codage de sequence video utilisant des zones de codage elargies

Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements