KR102587655B1 - 비디오 코딩을 위한 방법 및 장치 - Google Patents

비디오 코딩을 위한 방법 및 장치 Download PDF

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KR102587655B1
KR102587655B1 KR1020217007872A KR20217007872A KR102587655B1 KR 102587655 B1 KR102587655 B1 KR 102587655B1 KR 1020217007872 A KR1020217007872 A KR 1020217007872A KR 20217007872 A KR20217007872 A KR 20217007872A KR 102587655 B1 KR102587655 B1 KR 102587655B1
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KR20210036408A (ko
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샹 리
샤오중 쉬
산 류
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텐센트 아메리카 엘엘씨
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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)
KR1020217007872A 2018-09-30 2019-09-23 비디오 코딩을 위한 방법 및 장치 Active KR102587655B1 (ko)

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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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KR102587655B1 true KR102587655B1 (ko) 2023-10-12

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US (5) US10554975B1 (enExample)
EP (1) EP3837837A4 (enExample)
JP (3) JP7222080B2 (enExample)
KR (1) KR102587655B1 (enExample)
CN (1) CN112514385B (enExample)
WO (1) WO2020068662A1 (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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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
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
KR101965388B1 (ko) * 2011-11-04 2019-04-04 주식회사 골드피크이노베이션즈 양자화 계수 부/복호화 방법 및 이러한 방법을 사용하는 장치
HRP20181898T1 (hr) * 2012-01-30 2019-01-11 Samsung Electronics Co., Ltd Postupak i uređaj za kodiranje i dekodiranje jedinica hijerarhijskih podataka koji sadrži kvantizacijsko predviđanje parametara
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US11968365B2 (en) 2024-04-23
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
JP7222080B2 (ja) 2023-02-14
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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