CN119420903A - 编解码方法、装置、发送比特流的方法、程序产品和介质 - Google Patents

编解码方法、装置、发送比特流的方法、程序产品和介质 Download PDF

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Publication number
CN119420903A
CN119420903A CN202411376499.6A CN202411376499A CN119420903A CN 119420903 A CN119420903 A CN 119420903A CN 202411376499 A CN202411376499 A CN 202411376499A CN 119420903 A CN119420903 A CN 119420903A
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China
Prior art keywords
motion vector
block
decoding
motion
predicted
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Pending
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CN202411376499.6A
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English (en)
Chinese (zh)
Inventor
A·罗伯特
F·莱林内克
F·加尔平
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InterDigital VC Holdings Inc
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InterDigital VC Holdings Inc
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Priority claimed from EP18305913.8A external-priority patent/EP3595314A1/en
Application filed by InterDigital VC Holdings Inc filed Critical InterDigital VC Holdings Inc
Publication of CN119420903A publication Critical patent/CN119420903A/zh
Pending legal-status Critical Current

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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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive 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
    • H04N19/10—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/10—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
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Error Detection And Correction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN202411376499.6A 2018-05-28 2019-05-17 编解码方法、装置、发送比特流的方法、程序产品和介质 Pending CN119420903A (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
EP18305646.4 2018-05-28
EP18305646 2018-05-28
EP18305913.8 2018-07-10
EP18305913.8A EP3595314A1 (en) 2018-07-10 2018-07-10 Data dependency in coding/decoding
PCT/US2019/033000 WO2019231724A1 (en) 2018-05-28 2019-05-17 Data dependency in coding/decoding
CN201980035741.4A CN112204979B (zh) 2018-05-28 2019-05-17 译码/解码中的数据依赖性

Related Parent Applications (1)

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CN201980035741.4A Division CN112204979B (zh) 2018-05-28 2019-05-17 译码/解码中的数据依赖性

Publications (1)

Publication Number Publication Date
CN119420903A true CN119420903A (zh) 2025-02-11

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CN202411376499.6A Pending CN119420903A (zh) 2018-05-28 2019-05-17 编解码方法、装置、发送比特流的方法、程序产品和介质
CN201980035741.4A Active CN112204979B (zh) 2018-05-28 2019-05-17 译码/解码中的数据依赖性
CN202411379470.3A Pending CN119135888A (zh) 2018-05-28 2019-05-17 编解码方法和装置

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CN202411379470.3A Pending CN119135888A (zh) 2018-05-28 2019-05-17 编解码方法和装置

Country Status (8)

Country Link
US (2) US20210136398A1 (https=)
EP (2) EP3804325A1 (https=)
JP (2) JP7666928B2 (https=)
KR (2) KR102819167B1 (https=)
CN (3) CN119420903A (https=)
AU (1) AU2019276881B2 (https=)
MX (1) MX2020012768A (https=)
WO (1) WO2019231724A1 (https=)

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US11917176B2 (en) * 2021-09-28 2024-02-27 Avago Technologies International Sales Pte. Limited Low-latency and high-throughput motion vector refinement with template matching
CN118541976A (zh) * 2021-09-29 2024-08-23 Lg 电子株式会社 图像编码/解码方法和设备以及具有存储在其上的比特流的记录介质

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Publication number Publication date
KR20250087731A (ko) 2025-06-16
JP2021526325A (ja) 2021-09-30
JP7666928B2 (ja) 2025-04-22
CN112204979A (zh) 2021-01-08
US20210136398A1 (en) 2021-05-06
KR20210015811A (ko) 2021-02-10
WO2019231724A1 (en) 2019-12-05
US20220174306A1 (en) 2022-06-02
EP3813373A1 (en) 2021-04-28
CN112204979B (zh) 2024-10-18
EP3804325A1 (en) 2021-04-14
AU2019276881A1 (en) 2020-12-24
KR102819167B1 (ko) 2025-06-12
AU2019276881B2 (en) 2023-09-14
CN119135888A (zh) 2024-12-13
MX2020012768A (es) 2021-02-15
JP2025038219A (ja) 2025-03-18

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