CN118870005A - 图像解码方法和设备、图像编码方法和设备以及存储介质 - Google Patents

图像解码方法和设备、图像编码方法和设备以及存储介质 Download PDF

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CN118870005A
CN118870005A CN202411160570.7A CN202411160570A CN118870005A CN 118870005 A CN118870005 A CN 118870005A CN 202411160570 A CN202411160570 A CN 202411160570A CN 118870005 A CN118870005 A CN 118870005A
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unit
coding unit
transform
samples
size
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克里斯托弗·詹姆斯·罗斯沃恩
安德鲁·J·朵莱尔
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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
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    • 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
    • H04N19/134—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • H—ELECTRICITY
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    • 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
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    • 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
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    • H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
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    • 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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    • 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
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    • 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
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
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    • 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
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    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
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    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

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  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN202411160570.7A 2018-08-17 2019-06-25 图像解码方法和设备、图像编码方法和设备以及存储介质 Pending CN118870005A (zh)

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AU2018217333 2018-08-17
AU2018217333A AU2018217333B2 (en) 2018-08-17 2018-08-17 Method, apparatus and system for encoding and decoding a transformed block of video samples
CN201980054493.8A CN112585971B (zh) 2018-08-17 2019-06-25 一种图像编码和解码的方法、设备和非暂时性计算机可读存储介质
PCT/AU2019/050654 WO2020033991A1 (en) 2018-08-17 2019-06-25 Method, apparatus and system for encoding and decoding a transformed block of video samples

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CN202411160570.7A Pending CN118870005A (zh) 2018-08-17 2019-06-25 图像解码方法和设备、图像编码方法和设备以及存储介质
CN202411160560.3A Pending CN118803249A (zh) 2018-08-17 2019-06-25 用于对编码单位进行编码和解码的方法和设备以及存储介质
CN202411160571.1A Pending CN118803250A (zh) 2018-08-17 2019-06-25 图像解码方法和设备、图像编码方法和设备以及存储介质
CN202411160564.1A Pending CN118784846A (zh) 2018-08-17 2019-06-25 图像解码方法和设备、图像编码方法和设备以及存储介质
CN201980054493.8A Active CN112585971B (zh) 2018-08-17 2019-06-25 一种图像编码和解码的方法、设备和非暂时性计算机可读存储介质
CN202411160557.1A Pending CN118828000A (zh) 2018-08-17 2019-06-25 用于对编码单位进行编码和解码的方法和设备以及存储介质

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CN202411160571.1A Pending CN118803250A (zh) 2018-08-17 2019-06-25 图像解码方法和设备、图像编码方法和设备以及存储介质
CN202411160564.1A Pending CN118784846A (zh) 2018-08-17 2019-06-25 图像解码方法和设备、图像编码方法和设备以及存储介质
CN201980054493.8A Active CN112585971B (zh) 2018-08-17 2019-06-25 一种图像编码和解码的方法、设备和非暂时性计算机可读存储介质
CN202411160557.1A Pending CN118828000A (zh) 2018-08-17 2019-06-25 用于对编码单位进行编码和解码的方法和设备以及存储介质

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WO2020033991A1 (en) 2020-02-20
US20220116600A1 (en) 2022-04-14
US20250063169A1 (en) 2025-02-20
CN118784846A (zh) 2024-10-15
TWI836542B (zh) 2024-03-21
CN118803249A (zh) 2024-10-18
AU2018217333B2 (en) 2025-04-24
CN118803250A (zh) 2024-10-18
CN112585971B (zh) 2024-08-20
CN112585971A (zh) 2021-03-30
TWI776071B (zh) 2022-09-01
JP7495923B2 (ja) 2024-06-05
TW202247663A (zh) 2022-12-01
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