JP7222080B2 - ビデオ符号化及び復号の方法及び装置並びにコンピュータプログラム - Google Patents

ビデオ符号化及び復号の方法及び装置並びにコンピュータプログラム Download PDF

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JP7222080B2
JP7222080B2 JP2021517619A JP2021517619A JP7222080B2 JP 7222080 B2 JP7222080 B2 JP 7222080B2 JP 2021517619 A JP2021517619 A JP 2021517619A JP 2021517619 A JP2021517619 A JP 2021517619A JP 7222080 B2 JP7222080 B2 JP 7222080B2
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JP2022502950A (ja
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リ，シアン
シュイ，シアオジョォン
リィウ，シャン
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Tencent America LLC
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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
    • H04N19/124—Quantisation
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H04N19/197—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including determination of the initial value of an encoding 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
    • H04N19/70—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
    • H04N19/90—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
    • 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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021517619A 2018-09-30 2019-09-23 ビデオ符号化及び復号の方法及び装置並びにコンピュータプログラム Active JP7222080B2 (ja)

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JP2023014907A JP7427814B2 (ja) 2018-09-30 2023-02-02 ビデオ符号化及び復号の方法及び装置並びにコンピュータプログラム
JP2024008663A JP2024028593A (ja) 2018-09-30 2024-01-24 ビデオ符号化及び復号の方法及び装置並びにコンピュータプログラム

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US201862739312P 2018-09-30 2018-09-30
US62/739,312 2018-09-30
US16/198,966 2018-11-23
US16/198,966 US10554975B1 (en) 2018-09-30 2018-11-23 Method and apparatus for video coding
PCT/US2019/052417 WO2020068662A1 (en) 2018-09-30 2019-09-23 Method and apparatus for video coding

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JP2023014907A Active JP7427814B2 (ja) 2018-09-30 2023-02-02 ビデオ符号化及び復号の方法及び装置並びにコンピュータプログラム
JP2024008663A Pending JP2024028593A (ja) 2018-09-30 2024-01-24 ビデオ符号化及び復号の方法及び装置並びにコンピュータプログラム

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JP2024008663A Pending JP2024028593A (ja) 2018-09-30 2024-01-24 ビデオ符号化及び復号の方法及び装置並びにコンピュータプログラム

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KR (1) KR102587655B1 (enExample)
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US11924428B2 (en) * 2020-06-24 2024-03-05 Qualcomm Incorporated Scale factor for quantization parameter values in geometry-based point cloud compression
US12167008B2 (en) * 2021-04-20 2024-12-10 Samsung Electronics Co., Ltd. Operation of video decoding engine for EVC
WO2024030926A1 (en) * 2022-08-02 2024-02-08 Bytedance Inc. Method, apparatus, and medium for video processing
WO2024080917A1 (en) * 2022-10-13 2024-04-18 Telefonaktiebolaget Lm Ericsson (Publ) Quantization parameter (qp) coding for video compression

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US20140348227A1 (en) 2011-11-04 2014-11-27 Pantech Co., Ltd. Method for encoding/decoding a quantization coefficient, and apparatus using same
JP2015527756A (ja) 2012-07-01 2015-09-17 シャープ株式会社 パラメータセットにおいて長期参照ピクチャをシグナリングするためのデバイス

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US8331438B2 (en) * 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
US8279924B2 (en) * 2008-10-03 2012-10-02 Qualcomm Incorporated Quantization parameter selections for encoding of chroma and luma video blocks
WO2011148573A1 (ja) * 2010-05-28 2011-12-01 パナソニック株式会社 撮像装置
PL2938075T3 (pl) * 2011-01-14 2019-05-31 Ericsson Telefon Ab L M Filtrowanie deblokujące
US9888244B2 (en) * 2011-10-05 2018-02-06 Texas Instruments Incorporated Methods and systems for encoding of multimedia pictures
US20130094774A1 (en) * 2011-10-13 2013-04-18 Sharp Laboratories Of America, Inc. Tracking a reference picture based on a designated picture on an electronic device
WO2013159335A1 (en) * 2012-04-27 2013-10-31 Mediatek Singapore Pte. Ltd. Modifications related to sao and deblocking in hevc
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US11968365B2 (en) 2024-04-23
KR102587655B1 (ko) 2023-10-12
US20220007024A1 (en) 2022-01-06
JP2022502950A (ja) 2022-01-11
JP2024028593A (ja) 2024-03-04
US20200137391A1 (en) 2020-04-30
US11350094B2 (en) 2022-05-31
JP7427814B2 (ja) 2024-02-05
WO2020068662A1 (en) 2020-04-02
US10554975B1 (en) 2020-02-04
EP3837837A4 (en) 2022-05-25
CN112514385A (zh) 2021-03-16
KR20210036408A (ko) 2021-04-02
CN112514385B (zh) 2022-11-01
US10869038B2 (en) 2020-12-15
JP2023041875A (ja) 2023-03-24
US20210058621A1 (en) 2021-02-25
US20230247202A1 (en) 2023-08-03
EP3837837A1 (en) 2021-06-23
US11700374B2 (en) 2023-07-11

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