JP7806022B2 - 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 - Google Patents

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

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Publication number
JP7806022B2
JP7806022B2 JP2023506159A JP2023506159A JP7806022B2 JP 7806022 B2 JP7806022 B2 JP 7806022B2 JP 2023506159 A JP2023506159 A JP 2023506159A JP 2023506159 A JP2023506159 A JP 2023506159A JP 7806022 B2 JP7806022 B2 JP 7806022B2
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Japan
Prior art keywords
image
random access
video stream
video
image block
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JP2023506159A
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English (en)
Japanese (ja)
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JP2023536585A (ja
JP2023536585A5 (https=
Inventor
アトゥラルー，チャイタニヤ
ニナン，アジット
Original Assignee
ドルビー ラボラトリーズ ライセンシング コーポレイション
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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)
JP2023506159A 2020-08-03 2021-08-02 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 Active JP7806022B2 (ja)

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 (3)

Publication Number Publication Date
JP2023536585A JP2023536585A (ja) 2023-08-28
JP2023536585A5 JP2023536585A5 (https=) 2024-08-13
JP7806022B2 true JP7806022B2 (ja) 2026-01-26

Family

ID=77367485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023506159A Active JP7806022B2 (ja) 2020-08-03 2021-08-02 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

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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019120575A1 (en) 2017-12-22 2019-06-27 Huawei Technologies Co., Ltd. Vr 360 video for remote end users
JP2020043559A (ja) 2018-09-11 2020-03-19 エスゼット ディージェイアイ テクノロジー カンパニー リミテッドＳｚ Ｄｊｉ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ ビデオストリーミング方法、ビデオストリーミングシステム、ビデオストリーミング装置およびプログラム

Family Cites Families (16)

* 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019120575A1 (en) 2017-12-22 2019-06-27 Huawei Technologies Co., Ltd. Vr 360 video for remote end users
JP2020043559A (ja) 2018-09-11 2020-03-19 エスゼット ディージェイアイ テクノロジー カンパニー リミテッドＳｚ Ｄｊｉ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ ビデオストリーミング方法、ビデオストリーミングシステム、ビデオストリーミング装置およびプログラム

Also Published As

Publication number Publication date
US12101489B2 (en) 2024-09-24
US20230300346A1 (en) 2023-09-21
JP2023536585A (ja) 2023-08-28
CN116195255A (zh) 2023-05-30
WO2022031633A1 (en) 2022-02-10
EP4189964A1 (en) 2023-06-07

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