RU2766881C1 - Способ, оборудование и система для кодирования и декодирования дерева блоков видеовыборок - Google Patents

Способ, оборудование и система для кодирования и декодирования дерева блоков видеовыборок Download PDF

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RU2766881C1
RU2766881C1 RU2021120503A RU2021120503A RU2766881C1 RU 2766881 C1 RU2766881 C1 RU 2766881C1 RU 2021120503 A RU2021120503 A RU 2021120503A RU 2021120503 A RU2021120503 A RU 2021120503A RU 2766881 C1 RU2766881 C1 RU 2766881C1
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block
chrominance
transform block
luminance
chrominance signal
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Кристофер Джеймс РОУЗВОРН
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Кэнон Кабусики Кайся
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • HELECTRICITY
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection 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
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
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    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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    • H04N19/169Methods 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
    • H04N19/18Methods 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
    • HELECTRICITY
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/20Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/96Tree coding, e.g. quad-tree coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]

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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)
RU2021120503A 2019-03-11 2020-01-20 Способ, оборудование и система для кодирования и декодирования дерева блоков видеовыборок RU2766881C1 (ru)

Applications Claiming Priority (3)

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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

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EP (1) EP3939277A4 (https=)
JP (3) JP7337163B2 (https=)
KR (1) KR102809983B1 (https=)
CN (6) CN119110081A (https=)
AU (2) AU2019201653A1 (https=)
BR (1) BR112021013495A2 (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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WO2023038315A1 (ko) * 2021-09-08 2023-03-16 현대자동차주식회사 서브블록 코딩 순서 변경 및 그에 따른 인트라 예측을 이용하는 비디오 코딩방법 및 장치
US12470716B2 (en) * 2022-05-16 2025-11-11 Tencent America LLC Chroma from luma prediction based on merged chroma blocks
US20240137522A1 (en) * 2022-10-12 2024-04-25 City University Of Hong Kong Processing and encoding screen content video
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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
CN119110081A (zh) 2024-12-10
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
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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