JP6334830B2 - ブロックの区分を用いた高速ビデオ符号化方法 - Google Patents

ブロックの区分を用いた高速ビデオ符号化方法 Download PDF

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JP6334830B2
JP6334830B2 JP2017546226A JP2017546226A JP6334830B2 JP 6334830 B2 JP6334830 B2 JP 6334830B2 JP 2017546226 A JP2017546226 A JP 2017546226A JP 2017546226 A JP2017546226 A JP 2017546226A JP 6334830 B2 JP6334830 B2 JP 6334830B2
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チェンジエ・ツ
ウェイ−ジュン・チエン
シアンリン・ワン
ジェホン・チョン
イン・スク・チョン
マルタ・カルチェヴィッチ
ウ−シク・キム
シン・ジャオ
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クアルコム，インコーポレイテッド
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    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/134—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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/567—Motion estimation based on rate distortion criteria

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JP2017546226A 2015-03-06 2016-03-03 ブロックの区分を用いた高速ビデオ符号化方法 Expired - Fee Related JP6334830B2 (ja)

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US201562129545P 2015-03-06 2015-03-06
US62/129,545 2015-03-06
US14/737,271 2015-06-11
US14/737,271 US9883187B2 (en) 2015-03-06 2015-06-11 Fast video encoding method with block partitioning
PCT/US2016/020684 WO2016144695A1 (en) 2015-03-06 2016-03-03 Fast video encoding method with block partitioning

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Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10085027B2 (en) 2015-03-06 2018-09-25 Qualcomm Incorporated Adaptive mode checking order for video encoding
US20160360205A1 (en) * 2015-06-08 2016-12-08 Industrial Technology Research Institute Video encoding methods and systems using adaptive color transform
US10390020B2 (en) * 2015-06-08 2019-08-20 Industrial Technology Research Institute Video encoding methods and systems using adaptive color transform
US10560702B2 (en) * 2016-01-22 2020-02-11 Intel Corporation Transform unit size determination for video coding
CA3025334C (en) * 2016-05-25 2021-07-13 Arris Enterprises Llc Binary ternary quad tree partitioning for jvet coding of video data
US10609423B2 (en) * 2016-09-07 2020-03-31 Qualcomm Incorporated Tree-type coding for video coding
US10313686B2 (en) * 2016-09-20 2019-06-04 Gopro, Inc. Apparatus and methods for compressing video content using adaptive projection selection
EP3306928A1 (en) * 2016-10-07 2018-04-11 Thomson Licensing Method and apparatus for encoding a video
CN106454360B (zh) * 2016-10-26 2019-05-07 北京大学深圳研究生院 视频编码中帧内编码的码率估计方法
WO2018128239A1 (ko) * 2017-01-03 2018-07-12 엘지전자 주식회사 영상 코딩 시스템에서 블록 분할 구조에 따른 영상 디코딩 방법 및 장치
TWI635742B (zh) * 2017-01-09 2018-09-11 晨星半導體股份有限公司 動態影像編碼裝置及動態影像編碼方法
US11399187B2 (en) * 2017-03-10 2022-07-26 Intel Corporation Screen content detection for adaptive encoding
ES2632402B1 (es) * 2017-03-31 2018-09-06 Universidad De Jaén Fotobiorreactor autónomo
WO2019113903A1 (zh) * 2017-12-14 2019-06-20 北京金山云网络技术有限公司 一种编码单元划分决策方法、装置、编码器及存储介质
JP7348078B2 (ja) * 2018-02-08 2023-09-20 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 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置
US11470359B2 (en) * 2018-03-30 2022-10-11 Sharp Kabushiki Kaisha Systems and methods for partitioning video blocks at a boundary of a picture for video coding
US11449256B2 (en) 2018-05-15 2022-09-20 Samsung Electronics Co., Ltd. Method for accelerating image storing and retrieving differential latency storage devices based on access rates
US10949087B2 (en) 2018-05-15 2021-03-16 Samsung Electronics Co., Ltd. Method for rapid reference object storage format for chroma subsampled images
WO2020044255A1 (en) 2018-08-28 2020-03-05 Beijing Bytedance Network Technology Co., Ltd. Context coding in partitioning with extended quadtree
US10530387B1 (en) * 2018-10-22 2020-01-07 Uber Technologies, Inc. Estimating an optimal ordering for data compression
US10728557B2 (en) 2018-10-24 2020-07-28 Sony Corporation Embedded codec circuitry for sub-block based entropy coding of quantized-transformed residual levels
WO2020156572A1 (en) 2019-02-03 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Unsymmetrical quad-tree partitioning
US10939107B2 (en) 2019-03-01 2021-03-02 Sony Corporation Embedded codec circuitry for sub-block based allocation of refinement bits
CN110430398B (zh) * 2019-08-06 2021-01-19 杭州微帧信息科技有限公司 一种基于强化学习的视频编码分布式方法
CN119743597B (zh) 2019-09-09 2026-04-28 北京字节跳动网络技术有限公司 视频编解码块的递归划分
CN111212292B (zh) * 2020-01-16 2023-04-28 郑州轻工业大学 基于h.266的自适应cu分区和跳过模式方法
CN111277824B (zh) * 2020-02-12 2023-07-25 腾讯科技（深圳）有限公司 图像预测处理方法、装置、终端及计算机可读存储介质
CN111629206B (zh) * 2020-05-25 2025-07-18 腾讯科技（深圳）有限公司 视频编码方法、视频播放方法、相关设备及介质
US12015785B2 (en) 2020-12-04 2024-06-18 Ofinno, Llc No reference image quality assessment based decoder side inter prediction
CN112714314B (zh) * 2020-12-28 2022-07-26 杭州电子科技大学 一种多类型树结构块划分模式抉择提前终止方法
CN113613006B (zh) * 2021-07-30 2023-08-18 浙江裕瀚科技有限公司 一种视频编码的方法、系统和装置
US11700382B1 (en) * 2021-11-03 2023-07-11 Meta Platforms, Inc. Systems and methods for improving mode decisions in hardware video encoders
US20240355004A1 (en) * 2023-04-19 2024-10-24 Sony Group Corporation Variable rate compression of point cloud geometry
WO2025009999A1 (en) * 2023-07-03 2025-01-09 Telefonaktiebolaget Lm Ericsson (Publ) Encoding a block of a picture
CN119316593B (zh) * 2024-10-31 2026-03-20 北京百度网讯科技有限公司 编码模式预测方法、装置、设备、介质和产品
CN121727959B (zh) * 2025-12-29 2026-07-21 内蒙古电力(集团)有限责任公司通信分公司 变电站网络切片划分与干扰抑制方法及系统

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0317982A (pt) * 2003-01-10 2005-12-06 Thomson Licensing Sa Rápida tomada de decisão de modo para codificação interquadros
WO2005004491A1 (en) * 2003-06-25 2005-01-13 Thomson Licensing S.A. Fast mode-decision encoding for interframes
KR20050061762A (ko) * 2003-12-18 2005-06-23 학교법인 대양학원 부호화 모드 결정방법, 움직임 추정방법 및 부호화 장치
JP5046335B2 (ja) 2004-11-04 2012-10-10 トムソン ライセンシング ビデオ符号器におけるｂフレームの高速モード決定のための方法および装置
TWI256258B (en) * 2004-12-16 2006-06-01 Ind Tech Res Inst Method to speed up the mode decision of video coding
US8155189B2 (en) * 2005-10-19 2012-04-10 Freescale Semiconductor, Inc. System and method of coding mode decision for video encoding
US20070133690A1 (en) 2005-12-13 2007-06-14 Jun Xin Adaptive complexity control for motion estimation during video encoding
JP4677932B2 (ja) * 2006-03-06 2011-04-27 日本電気株式会社 動画像符号化方法及び動画像符号化装置とプログラムならびに媒体
KR101228109B1 (ko) * 2006-07-24 2013-01-31 삼성전자주식회사 움직임 예측장치 및 방법과 이를 채용하는 영상 부호화장치및 방법
US8467448B2 (en) * 2006-11-15 2013-06-18 Motorola Mobility Llc Apparatus and method for fast intra/inter macro-block mode decision for video encoding
US8311120B2 (en) 2006-12-22 2012-11-13 Qualcomm Incorporated Coding mode selection using information of other coding modes
KR101680951B1 (ko) 2007-04-12 2016-11-29 톰슨 라이센싱 비디오 인코더에서 고속으로 기하학적 모드를 결정하기 위한 방법들 및 장치
KR100771641B1 (ko) * 2007-04-23 2007-10-30 주식회사세오 Ｈ.２６４ 고속 모드 결정 방법
JP4921239B2 (ja) 2007-05-09 2012-04-25 キヤノン株式会社 画像処理装置およびその方法
JP4709179B2 (ja) * 2007-05-14 2011-06-22 日本電信電話株式会社 符号化パラメータ選択方法，符号化パラメータ選択装置，符号化パラメータ選択プログラムおよびその記録媒体
KR100901874B1 (ko) * 2007-07-11 2009-06-09 한국전자통신연구원 비디오 인코딩을 위한 인터 모드 결정 방법
US8582652B2 (en) 2007-10-30 2013-11-12 General Instrument Corporation Method and apparatus for selecting a coding mode
KR101306834B1 (ko) * 2008-09-22 2013-09-10 에스케이텔레콤 주식회사 인트라 예측 모드의 예측 가능성을 이용한 영상 부호화/복호화 장치 및 방법
WO2010044757A1 (en) * 2008-10-17 2010-04-22 Agency For Science, Technology And Research Method for encoding a digital picture, encoder, and computer program element
KR20110017719A (ko) * 2009-08-14 2011-02-22 삼성전자주식회사 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
KR101504887B1 (ko) 2009-10-23 2015-03-24 삼성전자 주식회사 데이터 단위 레벨의 독립적 파싱 또는 복호화에 따른 비디오 복호화 방법 및 그 장치, 그리고 데이터 단위 레벨의 독립적 파싱 또는 복호화를 위한 비디오 부호화 방법 및 그 장치
CN101710996B (zh) * 2009-12-15 2011-06-01 山东大学 一种将时域与纹理相结合的快速帧间预测模式选择算法
EP2343899A1 (en) 2010-01-08 2011-07-13 Research In Motion Limited Method and device for video transcoding using quad-tree based mode selection
US8995527B2 (en) 2010-02-19 2015-03-31 Qualcomm Incorporated Block type signalling in video coding
US20120195364A1 (en) 2011-01-31 2012-08-02 Apple Inc. Dynamic mode search order control for a video encoder
CN102811346B (zh) * 2011-05-31 2015-09-02 富士通株式会社 编码模式选择方法和系统
US9131239B2 (en) 2011-06-20 2015-09-08 Qualcomm Incorporated Unified merge mode and adaptive motion vector prediction mode candidates selection
US20130229485A1 (en) * 2011-08-30 2013-09-05 Nokia Corporation Apparatus, a Method and a Computer Program for Video Coding and Decoding
GB2495990A (en) * 2011-10-28 2013-05-01 Canon Kk Motion compensated image coding with omission of coding mode cost calculation for a motion predictor in a set.
CN102790878B (zh) * 2011-12-07 2015-02-18 北京邮电大学 一种视频编码的编码模式选择方法及装置
KR101842551B1 (ko) 2012-01-26 2018-03-28 한국전자통신연구원 모션 파티션 모드 판정 방법 및 부호화기
GB2498992B (en) 2012-02-02 2015-08-26 Canon Kk Method and system for transmitting video frame data to reduce slice error rate
US9544592B2 (en) 2012-02-10 2017-01-10 Texas Instruments Incorporated Methods and systems for encoding pictures associated with video data
GB2499865B (en) 2012-03-02 2016-07-06 Canon Kk Method and devices for encoding a sequence of images into a scalable video bit-stream, and decoding a corresponding scalable video bit-stream
GB2506590B (en) 2012-09-28 2016-05-04 Canon Kk Method and device for deriving a set of enabled coding modes
KR20140072231A (ko) 2012-11-26 2014-06-13 한국전자통신연구원 율-왜곡 비용의 확률분포를 이용한 비디오 부호화기의 고속 예측모드 결정 방법
US9426473B2 (en) * 2013-02-01 2016-08-23 Qualcomm Incorporated Mode decision simplification for intra prediction
CN103384325A (zh) * 2013-02-22 2013-11-06 张新安 一种avs-m视频编码快速帧间预测模式选择方法
US9641853B2 (en) * 2013-04-15 2017-05-02 Futurewei Technologies, Inc. Method and apparatus of depth prediction mode selection
US20160073133A1 (en) 2013-04-17 2016-03-10 Samsung Electronics Co., Ltd. Multi-view video encoding method using view synthesis prediction and apparatus therefor, and multi-view video decoding method and apparatus therefor
WO2015006951A1 (en) * 2013-07-18 2015-01-22 Mediatek Singapore Pte. Ltd. Methods for fast encoder decision
US10104395B2 (en) 2013-10-14 2018-10-16 Texas Instruments Incorporated Intra block copy (IntraBC) cost estimation
CN103702122B (zh) * 2013-12-18 2017-07-21 华为技术有限公司 编码模式选择方法、装置及编码器
US20150189269A1 (en) 2013-12-30 2015-07-02 Google Inc. Recursive block partitioning
US9924183B2 (en) * 2014-03-20 2018-03-20 Nanjing Yuyan Information Technology Ltd. Fast HEVC transcoding
CN103997646B (zh) * 2014-05-13 2018-05-01 北京航空航天大学 一种高清视频编码中快速帧内预测模式选择方法
US10085027B2 (en) 2015-03-06 2018-09-25 Qualcomm Incorporated Adaptive mode checking order for video encoding

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US20160261870A1 (en) 2016-09-08
EP3266206A1 (en) 2018-01-10
CN107409217B (zh) 2020-02-21
EP3266205A1 (en) 2018-01-10
US20160261861A1 (en) 2016-09-08
WO2016144705A1 (en) 2016-09-15
CN107409218A (zh) 2017-11-28
JP2018511231A (ja) 2018-04-19
WO2016144695A1 (en) 2016-09-15
KR20170126896A (ko) 2017-11-20
CN107409217A (zh) 2017-11-28
JP2018511225A (ja) 2018-04-19
US10085027B2 (en) 2018-09-25
KR20170123632A (ko) 2017-11-08
US9883187B2 (en) 2018-01-30

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