CN119110081A - 用于编码和解码变换块的方法和设备 - Google Patents

用于编码和解码变换块的方法和设备 Download PDF

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Publication number
CN119110081A
CN119110081A CN202411176692.5A CN202411176692A CN119110081A CN 119110081 A CN119110081 A CN 119110081A CN 202411176692 A CN202411176692 A CN 202411176692A CN 119110081 A CN119110081 A CN 119110081A
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China
Prior art keywords
block
coding
chroma
transform block
luma
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Pending
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CN202411176692.5A
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Chinese (zh)
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克里斯托弗·詹姆斯·罗斯沃恩
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Canon Inc
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Canon Inc
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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
    • H04N19/134—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
    • H04N19/146—Data rate or code amount at the encoder output
    • 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
    • H04N19/102—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/102—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
    • H04N19/157—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
    • H04N19/18—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
    • H04N19/186—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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object 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
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN202411176692.5A 2019-03-11 2020-01-20 用于编码和解码变换块的方法和设备 Pending CN119110081A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU2019201653A AU2019201653A1 (en) 2019-03-11 2019-03-11 Method, apparatus and system for encoding and decoding a tree of blocks of video samples
AU2019201653 2019-03-11
PCT/AU2020/050028 WO2020181317A1 (en) 2019-03-11 2020-01-20 Method, apparatus and system for encoding and decoding a tree of blocks of video samples
CN202080020292.9A CN113574874B (zh) 2019-03-11 2020-01-20 用于编码和解码视频样本的块树的方法、设备和系统

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CN119110081A true CN119110081A (zh) 2024-12-10

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CN202411176692.5A Pending CN119110081A (zh) 2019-03-11 2020-01-20 用于编码和解码变换块的方法和设备
CN202411176698.2A Pending CN119110075A (zh) 2019-03-11 2020-01-20 用于编码和解码变换块的方法和设备
CN202080020292.9A Active CN113574874B (zh) 2019-03-11 2020-01-20 用于编码和解码视频样本的块树的方法、设备和系统
CN202411176701.0A Pending CN119110082A (zh) 2019-03-11 2020-01-20 用于编码和解码变换块的方法和设备
CN202411176704.4A Pending CN119110076A (zh) 2019-03-11 2020-01-20 用于解码变换块的方法和设备
CN202411176708.2A Pending CN119110083A (zh) 2019-03-11 2020-01-20 用于编码和解码变换块的方法和设备

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CN202411176698.2A Pending CN119110075A (zh) 2019-03-11 2020-01-20 用于编码和解码变换块的方法和设备
CN202080020292.9A Active CN113574874B (zh) 2019-03-11 2020-01-20 用于编码和解码视频样本的块树的方法、设备和系统
CN202411176701.0A Pending CN119110082A (zh) 2019-03-11 2020-01-20 用于编码和解码变换块的方法和设备
CN202411176704.4A Pending CN119110076A (zh) 2019-03-11 2020-01-20 用于解码变换块的方法和设备
CN202411176708.2A Pending CN119110083A (zh) 2019-03-11 2020-01-20 用于编码和解码变换块的方法和设备

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US (6) US12088822B2 (https=)
EP (1) EP3939277A4 (https=)
JP (3) JP7337163B2 (https=)
KR (1) KR102809983B1 (https=)
CN (6) CN119110081A (https=)
AU (2) AU2019201653A1 (https=)
BR (1) BR112021013495A2 (https=)
RU (2) RU2766881C1 (https=)
TW (2) TWI769432B (https=)
WO (1) WO2020181317A1 (https=)

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WO2021244419A1 (en) * 2020-05-31 2021-12-09 Beijing Bytedance Network Technology Co., Ltd. Constraint signaling using general constraint information syntax element
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CN119520804B (zh) * 2023-08-25 2026-03-20 杭州阿里云飞天信息技术有限公司 编解码方法、系统、设备及存储介质

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US20240323396A1 (en) 2024-09-26
TWI788262B (zh) 2022-12-21
JP2023154047A (ja) 2023-10-18
US12088822B2 (en) 2024-09-10
CN119110075A (zh) 2024-12-10
JP2022522576A (ja) 2022-04-20
KR102809983B1 (ko) 2025-05-21
US12294719B2 (en) 2025-05-06
US20240323395A1 (en) 2024-09-26
WO2020181317A1 (en) 2020-09-17
KR20210100727A (ko) 2021-08-17
EP3939277A4 (en) 2022-12-28
EP3939277A1 (en) 2022-01-19
RU2022102866A (ru) 2022-03-03
TWI769432B (zh) 2022-07-01
US12289453B2 (en) 2025-04-29
JP7549715B2 (ja) 2024-09-11
US20240323394A1 (en) 2024-09-26
AU2019201653A1 (en) 2020-10-01
US12284362B2 (en) 2025-04-22
TW202239204A (zh) 2022-10-01
CN119110082A (zh) 2024-12-10
US12294718B2 (en) 2025-05-06
AU2021254642A1 (en) 2021-11-18
US20220150509A1 (en) 2022-05-12
CN119110083A (zh) 2024-12-10
US12284361B2 (en) 2025-04-22
AU2021254642B2 (en) 2023-09-28
JP7780595B2 (ja) 2025-12-04
JP7337163B2 (ja) 2023-09-01
BR112021013495A2 (pt) 2021-09-21
CN113574874A (zh) 2021-10-29
RU2766881C1 (ru) 2022-03-16
US20240323392A1 (en) 2024-09-26
TW202101981A (zh) 2021-01-01
CN119110076A (zh) 2024-12-10
US20240323393A1 (en) 2024-09-26
CN113574874B (zh) 2024-08-30
JP2024167304A (ja) 2024-12-03

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