KR102636267B1 - 변형 행렬 선택의 계수에 따른 코딩 - Google Patents

변형 행렬 선택의 계수에 따른 코딩 Download PDF

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KR102636267B1
KR102636267B1 KR1020217001749A KR20217001749A KR102636267B1 KR 102636267 B1 KR102636267 B1 KR 102636267B1 KR 1020217001749 A KR1020217001749 A KR 1020217001749A KR 20217001749 A KR20217001749 A KR 20217001749A KR 102636267 B1 KR102636267 B1 KR 102636267B1
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KR20210045387A (ko
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리 창
홍빈 리우
카이 창
유에 왕
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베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드
바이트댄스 아이엔씨
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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
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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
    • H04N19/12—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
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    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
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    • 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
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    • H04N19/136—Incoming video signal characteristics or properties
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    • 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
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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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    • H04N19/184—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 bits, e.g. of the compressed video stream
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    • 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
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    • H04N19/96—Tree coding, e.g. quad-tree 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)
  • Analogue/Digital Conversion (AREA)
  • Image Processing (AREA)
KR1020217001749A 2018-08-16 2019-08-16 변형 행렬 선택의 계수에 따른 코딩 Active KR102636267B1 (ko)

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PCT/IB2019/056948 WO2020035829A1 (en) 2018-08-16 2019-08-16 Coefficient dependent coding of transform matrix selection

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KR20210045387A (ko) 2021-04-26
TW202021351A (zh) 2020-06-01
JP7481538B2 (ja) 2024-05-10
JP2023104947A (ja) 2023-07-28
EP3815363A1 (en) 2021-05-05
TW202034698A (zh) 2020-09-16
US20210076043A1 (en) 2021-03-11
JP7313427B2 (ja) 2023-07-24
US11082693B2 (en) 2021-08-03
CN110839158B (zh) 2023-03-10
US20210076038A1 (en) 2021-03-11
TWI814889B (zh) 2023-09-11
JP2021536169A (ja) 2021-12-23
WO2020035829A1 (en) 2020-02-20
WO2020035827A1 (en) 2020-02-20
US20210329242A1 (en) 2021-10-21
TWI816858B (zh) 2023-10-01
CN110839158A (zh) 2020-02-25
CN110839159A (zh) 2020-02-25
US11558612B2 (en) 2023-01-17

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