CN114173121B - 编码装置、编码方法、解码装置及解码方法 - Google Patents

编码装置、编码方法、解码装置及解码方法 Download PDF

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CN114173121B
CN114173121B CN202210052229.4A CN202210052229A CN114173121B CN 114173121 B CN114173121 B CN 114173121B CN 202210052229 A CN202210052229 A CN 202210052229A CN 114173121 B CN114173121 B CN 114173121B
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transform
unit
inverse
transformation
encoding
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CN114173121A (zh
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大川真人
斋藤秀雄
远间正真
西孝启
安倍清史
加纳龙一
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Panasonic Intellectual Property Corp of America
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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
    • H04N19/60—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
    • H04N19/10—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
    • 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
    • H04N19/134—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
    • H04N19/169—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
    • H04N19/169—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
    • H04N19/42—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
    • H04N19/423—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 characterised by memory 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
    • H04N19/60—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
    • H04N19/60—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
    • H04N19/619—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding the transform being operated outside the prediction loop

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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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
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PCT/JP2018/026113 WO2019013235A1 (ja) 2017-07-13 2018-07-11 符号化装置、符号化方法、復号装置及び復号方法
CN201880045386.4A CN110892720B (zh) 2017-07-13 2018-07-11 编码装置、编码方法、解码装置及解码方法
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WO2019013235A1 (ja) 2019-01-17
CN114173123B (zh) 2023-10-24
CN114173122B (zh) 2023-10-24
TWI777907B (zh) 2022-09-11
JP7771130B2 (ja) 2025-11-17
CN114173124A (zh) 2022-03-11
ES2917553T3 (es) 2022-07-08
CN110892720A (zh) 2020-03-17
TWI761551B (zh) 2022-04-21
EP3637767A1 (en) 2020-04-15
EP3955572B1 (en) 2024-05-08
JPWO2019013235A1 (ja) 2020-03-26
KR102760415B1 (ko) 2025-02-03
HUE067294T2 (hu) 2024-10-28
KR20200006171A (ko) 2020-01-17
BR112020000219A2 (pt) 2020-07-07
PL3637767T3 (pl) 2022-08-22
TW202247664A (zh) 2022-12-01
LT3637767T (lt) 2022-06-27
TW202322631A (zh) 2023-06-01
CA3086574A1 (en) 2019-01-17
ES2984938T3 (es) 2024-10-31
JP2023107985A (ja) 2023-08-03
TW202508289A (zh) 2025-02-16
TW201909646A (zh) 2019-03-01
JP2020191687A (ja) 2020-11-26
KR20250016500A (ko) 2025-02-03
KR102399384B1 (ko) 2022-05-18
LT3955572T (lt) 2024-07-25
EP4373091A3 (en) 2024-07-24
MX378073B (es) 2025-03-10
KR102188582B1 (ko) 2020-12-08
MX2020013276A (es) 2021-02-22
CN114173122A (zh) 2022-03-11
PL3955572T3 (pl) 2024-09-23
CN113115035A (zh) 2021-07-13
KR20200139270A (ko) 2020-12-11
KR102556279B1 (ko) 2023-07-17
US20240146925A1 (en) 2024-05-02
JP6756919B2 (ja) 2020-09-16
EP3637767B1 (en) 2022-05-04
KR20230108353A (ko) 2023-07-18
US10742977B2 (en) 2020-08-11
JP7299386B2 (ja) 2023-06-27
US20200322605A1 (en) 2020-10-08
HUE059331T2 (hu) 2022-11-28
CA3069579A1 (en) 2019-01-17
CN114173124B (zh) 2023-10-27
CN114173125A (zh) 2022-03-11
TW202231067A (zh) 2022-08-01
CN114173125B (zh) 2023-10-24
JP7109511B2 (ja) 2022-07-29
US12309370B2 (en) 2025-05-20
US20200154105A1 (en) 2020-05-14
EP3955572A1 (en) 2022-02-16
US20250267263A1 (en) 2025-08-21
TWI794129B (zh) 2023-02-21
EP4373091A2 (en) 2024-05-22
CN114173121A (zh) 2022-03-11
KR20220065103A (ko) 2022-05-19
US11895299B2 (en) 2024-02-06
JP2022137273A (ja) 2022-09-21
CN114173123A (zh) 2022-03-11
EP3637767A4 (en) 2020-06-10
TWI860614B (zh) 2024-11-01
CN113115035B (zh) 2023-04-28
CA3069579C (en) 2020-08-25
CN110892720B (zh) 2022-01-28

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