CN116195255A - 支持基于观看方向的比特流随机访问 - Google Patents

支持基于观看方向的比特流随机访问 Download PDF

Info

Publication number
CN116195255A
CN116195255A CN202180061968.3A CN202180061968A CN116195255A CN 116195255 A CN116195255 A CN 116195255A CN 202180061968 A CN202180061968 A CN 202180061968A CN 116195255 A CN116195255 A CN 116195255A
Authority
CN
China
Prior art keywords
random access
image
video
viewer
video stream
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.)
Pending
Application number
CN202180061968.3A
Other languages
English (en)
Chinese (zh)
Inventor
C·阿特鲁鲁
A·尼南
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.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing Corp
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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of CN116195255A publication Critical patent/CN116195255A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/162—User input
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
CN202180061968.3A 2020-08-03 2021-08-02 支持基于观看方向的比特流随机访问 Pending CN116195255A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063060272P 2020-08-03 2020-08-03
EP20189127.2 2020-08-03
EP20189127 2020-08-03
US63/060,272 2020-08-03
PCT/US2021/044244 WO2022031633A1 (en) 2020-08-03 2021-08-02 Supporting view direction based random access of bitstream

Publications (1)

Publication Number Publication Date
CN116195255A true CN116195255A (zh) 2023-05-30

Family

ID=77367485

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180061968.3A Pending CN116195255A (zh) 2020-08-03 2021-08-02 支持基于观看方向的比特流随机访问

Country Status (5)

Country Link
US (1) US12101489B2 (https=)
EP (1) EP4189964A1 (https=)
JP (1) JP7806022B2 (https=)
CN (1) CN116195255A (https=)
WO (1) WO2022031633A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021108813A2 (en) * 2021-02-01 2021-06-03 Futurewei Technologies, Inc. System and method of communications using parallel data paths
US11758104B1 (en) * 2022-10-18 2023-09-12 Illuscio, Inc. Systems and methods for predictive streaming of image data for spatial computing

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5784631A (en) 1992-06-30 1998-07-21 Discovision Associates Huffman decoder
US5559722A (en) 1993-11-24 1996-09-24 Intel Corporation Process, apparatus and system for transforming signals using pseudo-SIMD processing
US8749409B2 (en) 2006-08-25 2014-06-10 Sony Computer Entertainment Inc. Entropy decoding methods and apparatus using most probable and least probable signal cases
WO2011112726A1 (en) 2010-03-10 2011-09-15 Storwize, Inc. Real-time multi-block lossless recompression
ITVI20100175A1 (it) 2010-06-21 2011-12-22 St Microelectronics Pvt Ltd Sistema per la codifica entropica di video h.264 per applicazioni hdtv in tempo reale
US9516379B2 (en) 2011-03-08 2016-12-06 Qualcomm Incorporated Buffer management in video codecs
US10003817B2 (en) 2011-11-07 2018-06-19 Microsoft Technology Licensing, Llc Signaling of state information for a decoded picture buffer and reference picture lists
US9064575B2 (en) 2012-08-03 2015-06-23 Micron Technology, Inc. Determining whether a memory cell state is in a valley between adjacent data states
US9807406B2 (en) 2014-03-17 2017-10-31 Qualcomm Incorporated Picture flushing and decoded picture buffer parameter inference for multi-layer bitstreams
US9866852B2 (en) 2014-06-20 2018-01-09 Qualcomm Incorporated Video coding using end of sequence network abstraction layer units
US10567464B2 (en) * 2015-04-15 2020-02-18 Google Llc Video compression with adaptive view-dependent lighting removal
US10148983B2 (en) 2015-09-25 2018-12-04 Qualcomm Incorporated Methods and systems of improved video stream switching and random access
US10063861B2 (en) 2015-10-07 2018-08-28 Qualcomm Incorporated Methods and systems of performing predictive random access using a background picture
US10620441B2 (en) * 2016-12-14 2020-04-14 Qualcomm Incorporated Viewport-aware quality metric for 360-degree video
US10848737B2 (en) * 2017-09-26 2020-11-24 Lg Electronics Inc. Overlay processing method in 360 video system, and device thereof
CN111434120A (zh) 2017-10-02 2020-07-17 弗劳恩霍夫应用研究促进协会 高效的沉浸式流传输
WO2019120575A1 (en) * 2017-12-22 2019-06-27 Huawei Technologies Co., Ltd. Vr 360 video for remote end users
WO2020051777A1 (en) * 2018-09-11 2020-03-19 SZ DJI Technology Co., Ltd. System and method for supporting progressive video bit stream swiitching

Also Published As

Publication number Publication date
US12101489B2 (en) 2024-09-24
US20230300346A1 (en) 2023-09-21
JP7806022B2 (ja) 2026-01-26
JP2023536585A (ja) 2023-08-28
WO2022031633A1 (en) 2022-02-10
EP4189964A1 (en) 2023-06-07

Similar Documents

Publication Publication Date Title
CN113767633B (zh) 帧内预测方法、装置及计算机可读存储介质
JP7302044B2 (ja) イントラインター予測を制御する方法、エンコーダ、デコーダ、及びプログラム
CN111316639B (zh) 视频解码方法和装置、及存储介质
CN113228633A (zh) 用于全向媒体编解码的环绕填充方法
JP2022514513A (ja) タイル及びサブ画像の分割
JP2023126928A (ja) マルチラインイントラ予測に対するｍｐｍリスト生成を実現するための方法、装置、及びコンピュータプログラム
JP2021520749A5 (https=)
CN112400320B (zh) 对已编码视频序列进行解码的方法、装置和可读介质
EP4189968B1 (en) Dual stream dynamic gop access based on viewport change
CN113508582B (zh) 视频编码、解码的方法、装置及可读介质
CN118890484A (zh) 视频解码、编码、存储码流的方法、装置及存储介质
JP7806022B2 (ja) 閲覧方向に基づくビットストリームのランダムアクセスのサポート
CN113273152B (zh) 媒体解码的方法、装置与计算机可读介质
CN114270329A (zh) 清单内更新事件
CN113994686A (zh) 点云编码的数据单元和参数集设计
CN113748678B (zh) 视频编解码方法、装置和存储介质
TWI850736B (zh) 用以處理串流情景中移動向量之視訊寫碼概念技術
RU2775391C1 (ru) Разбиение на тайлы и подизображения
HK40086226A (en) Dual stream dynamic gop access based on viewport change
HK40086226B (en) Dual stream dynamic gop access based on viewport change
CN118369682A (zh) 基于ctu行的几何变换
HK40092936A (zh) 用於以低比特精度进行基於dnn的交叉分量预测的内容自适应在线训练
HK40089047A (zh) 用於视频解码的方法、装置和计算机可读存储介质
HK40089047B (zh) 用於视频解码的方法、装置和计算机可读存储介质
CN118476222A (zh) 用于从亮度到色度帧内预测模式的下采样滤波器的信令

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination