AU2018217333B2 - Method, apparatus and system for encoding and decoding a transformed block of video samples - Google Patents

Method, apparatus and system for encoding and decoding a transformed block of video samples Download PDF

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AU2018217333B2
AU2018217333B2 AU2018217333A AU2018217333A AU2018217333B2 AU 2018217333 B2 AU2018217333 B2 AU 2018217333B2 AU 2018217333 A AU2018217333 A AU 2018217333A AU 2018217333 A AU2018217333 A AU 2018217333A AU 2018217333 B2 AU2018217333 B2 AU 2018217333B2
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samples
unit
transform
coding
coding unit
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AU2018217333A1 (en
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Andrew James Dorrell
Christopher James ROSEWARNE
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Canon Inc
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Canon Inc
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Priority to AU2018217333A priority Critical patent/AU2018217333B2/en
Application filed by Canon Inc filed Critical Canon Inc
Priority to US17/268,062 priority patent/US12177430B2/en
Priority to CN202411160564.1A priority patent/CN118784846A/zh
Priority to CN202411160571.1A priority patent/CN118803250A/zh
Priority to PCT/AU2019/050654 priority patent/WO2020033991A1/en
Priority to CN202411160557.1A priority patent/CN118828000A/zh
Priority to JP2021501303A priority patent/JP7495923B2/ja
Priority to CN202411160570.7A priority patent/CN118870005A/zh
Priority to CN201980054493.8A priority patent/CN112585971B/zh
Priority to CN202411160560.3A priority patent/CN118803249A/zh
Priority to TW111129495A priority patent/TWI836542B/zh
Priority to TW108123272A priority patent/TWI776071B/zh
Publication of AU2018217333A1 publication Critical patent/AU2018217333A1/en
Priority to JP2023076886A priority patent/JP7615213B2/ja
Priority to US18/935,302 priority patent/US20250063169A1/en
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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
    • H04N19/102—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
    • 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
    • H04N19/134—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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • H—ELECTRICITY
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    • 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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    • 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
    • H04N19/169—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
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    • 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
    • H04N19/1883—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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H—ELECTRICITY
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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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/50—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
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • 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)
AU2018217333A 2018-08-17 2018-08-17 Method, apparatus and system for encoding and decoding a transformed block of video samples Active AU2018217333B2 (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
AU2018217333A AU2018217333B2 (en) 2018-08-17 2018-08-17 Method, apparatus and system for encoding and decoding a transformed block of video samples
CN202411160560.3A 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 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
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
CN202411160557.1A 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
JP2021501303A JP7495923B2 (ja) 2018-08-17 2019-06-25 ビデオサンプルの変換されたブロックを符号化および復号する方法、装置、およびシステム
CN202411160570.7A 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
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
US17/268,062 US12177430B2 (en) 2018-08-17 2019-06-25 Method, apparatus and system for encoding and decoding a transformed block of video samples
CN202411160564.1A 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
TW111129495A TWI836542B (zh) 2018-08-17 2019-07-02 用以編碼及解碼視訊取樣之轉換區塊的方法、設備和非暫態電腦可讀取儲存媒體
TW108123272A TWI776071B (zh) 2018-08-17 2019-07-02 用以編碼及解碼視訊取樣之轉換區塊的方法、設備和系統
JP2023076886A JP7615213B2 (ja) 2018-08-17 2023-05-08 ビデオサンプルの変換されたブロックを符号化および復号する方法、装置、およびシステム
US18/935,302 US20250063169A1 (en) 2018-08-17 2024-11-01 Method, apparatus and system for encoding and decoding a transformed block of video samples

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AU2018217333A AU2018217333B2 (en) 2018-08-17 2018-08-17 Method, apparatus and system for encoding and decoding a transformed block of video samples

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AU2018217333A1 AU2018217333A1 (en) 2020-03-05
AU2018217333B2 true AU2018217333B2 (en) 2025-04-24

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US (2) US12177430B2 (https=)
JP (2) JP7495923B2 (https=)
CN (6) CN112585971B (https=)
AU (1) AU2018217333B2 (https=)
TW (2) TWI836542B (https=)
WO (1) WO2020033991A1 (https=)

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