CN114375571B - 视频解码的方法、装置及介质 - Google Patents

视频解码的方法、装置及介质 Download PDF

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Publication number
CN114375571B
CN114375571B CN202080061849.3A CN202080061849A CN114375571B CN 114375571 B CN114375571 B CN 114375571B CN 202080061849 A CN202080061849 A CN 202080061849A CN 114375571 B CN114375571 B CN 114375571B
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quantization
step size
offset value
quantization index
computer
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Chinese (zh)
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CN114375571A (zh
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赵欣
马杜·柏林加色·克里什南
刘杉
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Tencent America LLC
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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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/18—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 a set of transform coefficients
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202080061849.3A 2020-06-11 2020-11-16 视频解码的方法、装置及介质 Active CN114375571B (zh)

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CN202410889019.XA CN118646894A (zh) 2020-06-11 2020-11-16 视频解码的方法、装置及介质

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US202063038010P 2020-06-11 2020-06-11
US63/038,010 2020-06-11
US17/077,471 US11381830B2 (en) 2020-06-11 2020-10-22 Modified quantizer
US17/077,471 2020-10-22
PCT/US2020/060743 WO2021252010A1 (en) 2020-06-11 2020-11-16 Modified quantizer

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US (3) US11381830B2 (https=)
EP (1) EP4000255A4 (https=)
JP (2) JP7447258B2 (https=)
KR (1) KR102686757B1 (https=)
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WO (1) WO2021252010A1 (https=)

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US11381830B2 (en) * 2020-06-11 2022-07-05 Tencent America LLC Modified quantizer
US20240056575A1 (en) * 2020-12-22 2024-02-15 Intellectual Discovery Co., Ltd. Deep learning-based image coding method and device
CN116207326A (zh) 2021-11-30 2023-06-02 株式会社Lg新能源 电极组件、电池单元
EP4706245A1 (en) * 2023-04-27 2026-03-11 Beijing Dajia Internet Information Technology Co., Ltd. Methods and devices on transform coefficient dequantization
KR20250033760A (ko) * 2023-09-01 2025-03-10 삼성전자주식회사 최적화된 양자화 및 역양자화를 위한 영상 복호화 장치, 영상 복호화 방법, 영상 부호화 장치, 및 영상 부호화 방법

Citations (4)

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CN101523921A (zh) * 2006-10-10 2009-09-02 日本电信电话株式会社 帧内预测编码控制方法和装置、其程序和记录程序的记录介质
WO2013152007A1 (en) * 2012-04-03 2013-10-10 Qualcomm Incorporated Chroma slice-level qp offset and deblocking
CN104584559A (zh) * 2012-07-02 2015-04-29 微软公司 用于色度qp值的扩展的范围
EP3618440A1 (en) * 2018-09-03 2020-03-04 InterDigital VC Holdings, Inc. Quantization parameter prediction for video encoding and decoding

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EP2647202A1 (en) * 2010-12-01 2013-10-09 iMinds Method and device for correlation channel estimation
JP5986877B2 (ja) * 2012-10-17 2016-09-06 日立マクセル株式会社 画像伝送システム
US9300967B2 (en) * 2013-06-19 2016-03-29 Apple Inc. Sample adaptive offset control
EP4366308A3 (en) * 2013-06-28 2024-07-10 Velos Media International Limited Methods and devices for emulating low-fidelity coding in a high-fidelity coder
WO2016054765A1 (en) * 2014-10-08 2016-04-14 Microsoft Technology Licensing, Llc Adjustments to encoding and decoding when switching color spaces
US20170280139A1 (en) * 2016-03-22 2017-09-28 Qualcomm Incorporated Apparatus and methods for adaptive calculation of quantization parameters in display stream compression
US11019339B2 (en) 2017-07-12 2021-05-25 Futurewei Technologies, Inc. Fractional quantization parameter offset in video compression
US10432929B2 (en) 2018-02-12 2019-10-01 Tencent America LLC Method and apparatus for multiple line intra prediction in video compression
US10931950B2 (en) * 2018-11-19 2021-02-23 Intel Corporation Content adaptive quantization for video coding
US11381830B2 (en) * 2020-06-11 2022-07-05 Tencent America LLC Modified quantizer

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CN101523921A (zh) * 2006-10-10 2009-09-02 日本电信电话株式会社 帧内预测编码控制方法和装置、其程序和记录程序的记录介质
WO2013152007A1 (en) * 2012-04-03 2013-10-10 Qualcomm Incorporated Chroma slice-level qp offset and deblocking
CN104584559A (zh) * 2012-07-02 2015-04-29 微软公司 用于色度qp值的扩展的范围
EP3618440A1 (en) * 2018-09-03 2020-03-04 InterDigital VC Holdings, Inc. Quantization parameter prediction for video encoding and decoding

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WO2021252010A1 (en) 2021-12-16
EP4000255A4 (en) 2022-10-26
US20220150519A1 (en) 2022-05-12
JP7447258B2 (ja) 2024-03-11
US11882301B2 (en) 2024-01-23
EP4000255A1 (en) 2022-05-25
US20220303563A1 (en) 2022-09-22
CN118646894A (zh) 2024-09-13
JP2023505950A (ja) 2023-02-14
US11381830B2 (en) 2022-07-05
JP2024059893A (ja) 2024-05-01
KR102686757B1 (ko) 2024-07-19
JP7722799B2 (ja) 2025-08-13
CN114375571A (zh) 2022-04-19
US11711532B2 (en) 2023-07-25
US20210392355A1 (en) 2021-12-16
KR20220051015A (ko) 2022-04-25

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