CN112514385B - 视频解码方法及装置、计算机设备和计算机可读介质 - Google Patents

视频解码方法及装置、计算机设备和计算机可读介质 Download PDF

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CN112514385B
CN112514385B CN201980050574.0A CN201980050574A CN112514385B CN 112514385 B CN112514385 B CN 112514385B CN 201980050574 A CN201980050574 A CN 201980050574A CN 112514385 B CN112514385 B CN 112514385B
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CN112514385A (zh
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李翔
许晓中
刘杉
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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
    • H04N19/134—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN201980050574.0A 2018-09-30 2019-09-23 视频解码方法及装置、计算机设备和计算机可读介质 Active CN112514385B (zh)

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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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EP (1) EP3837837A4 (enExample)
JP (3) JP7222080B2 (enExample)
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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013159335A1 (en) * 2012-04-27 2013-10-31 Mediatek Singapore Pte. Ltd. Modifications related to sao and deblocking in hevc
CN106464885A (zh) * 2014-06-20 2017-02-22 高通股份有限公司 块自适应颜色空间转换译码

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070147497A1 (en) * 2005-07-21 2007-06-28 Nokia Corporation System and method for progressive quantization for scalable image and video coding
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
ES2714349T3 (es) * 2011-01-14 2019-05-28 Ericsson Telefon Ab L M Filtrado de desbloqueo
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
KR101965388B1 (ko) * 2011-11-04 2019-04-04 주식회사 골드피크이노베이션즈 양자화 계수 부/복호화 방법 및 이러한 방법을 사용하는 장치
HUE069070T2 (hu) * 2012-01-30 2025-02-28 Samsung Electronics Co Ltd Berendezés hiearchikus adategységen alapuló videó kódolására és dekódolására, amely tartalmaz kvantálási paraméter predikciót
JP6190397B2 (ja) 2012-07-01 2017-08-30 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
US20140079135A1 (en) * 2012-09-14 2014-03-20 Qualcomm Incoporated Performing quantization to facilitate deblocking filtering
US10142642B2 (en) * 2014-06-04 2018-11-27 Qualcomm Incorporated Block adaptive color-space conversion coding
JP6502753B2 (ja) * 2015-06-08 2019-04-17 キヤノン株式会社 画像符号化装置、画像処理装置、画像符号化方法
US10356406B2 (en) * 2016-01-19 2019-07-16 Google Llc Real-time video encoder rate control using dynamic resolution switching
US10917644B2 (en) * 2017-02-23 2021-02-09 Netflix, Inc. Iterative techniques for encoding video content
US10674158B2 (en) * 2017-06-15 2020-06-02 Beamr Imaging Ltd Method and system of video coding optimization
US20200322606A1 (en) * 2017-10-24 2020-10-08 Sharp Kabushiki Kaisha Systems and methods for determining quantization parameter predictive values

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013159335A1 (en) * 2012-04-27 2013-10-31 Mediatek Singapore Pte. Ltd. Modifications related to sao and deblocking in hevc
CN106464885A (zh) * 2014-06-20 2017-02-22 高通股份有限公司 块自适应颜色空间转换译码

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JVET-K0251_spec_text;Shih-Ta Hsiang等;《Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 11th Meeting: Ljubljana, SI, 10–18 July 2018》;20180716;说明书第1页第7.4.3.3.1、7.4.7.1章节 *

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US11350094B2 (en) 2022-05-31
CN112514385A (zh) 2021-03-16
US11968365B2 (en) 2024-04-23
JP2022502950A (ja) 2022-01-11
JP2024028593A (ja) 2024-03-04
EP3837837A4 (en) 2022-05-25
JP7222080B2 (ja) 2023-02-14
US10554975B1 (en) 2020-02-04
US10869038B2 (en) 2020-12-15
US20230247202A1 (en) 2023-08-03
WO2020068662A1 (en) 2020-04-02
US20220007024A1 (en) 2022-01-06
US11700374B2 (en) 2023-07-11
KR20210036408A (ko) 2021-04-02
EP3837837A1 (en) 2021-06-23
US20200137391A1 (en) 2020-04-30
US20210058621A1 (en) 2021-02-25
JP2023041875A (ja) 2023-03-24
KR102587655B1 (ko) 2023-10-12
JP7427814B2 (ja) 2024-02-05

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