KR102384691B1 - 디코딩 또는 인코딩을 위한 방법, 장치 및 매체 - Google Patents

디코딩 또는 인코딩을 위한 방법, 장치 및 매체 Download PDF

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KR102384691B1
KR102384691B1 KR1020207026663A KR20207026663A KR102384691B1 KR 102384691 B1 KR102384691 B1 KR 102384691B1 KR 1020207026663 A KR1020207026663 A KR 1020207026663A KR 20207026663 A KR20207026663 A KR 20207026663A KR 102384691 B1 KR102384691 B1 KR 102384691B1
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core matrix
transform core
transform
dct
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KR20200118880A (ko
KR102384691B9 (ko
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신 자오
샹 리
산 류
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텐센트 아메리카 엘엘씨
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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
    • H04N19/12—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
    • H04N19/102—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
    • H04N19/103—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
    • 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
    • H04N19/10—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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/42—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
    • H04N19/426—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 using memory downsizing methods
    • 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
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • 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
    • 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]

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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)
KR1020207026663A 2018-06-29 2019-06-03 디코딩 또는 인코딩을 위한 방법, 장치 및 매체 Active KR102384691B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862692658P 2018-06-29 2018-06-29
US62/692,658 2018-06-29
US16/225,982 2018-12-19
US16/225,982 US10687081B2 (en) 2018-06-29 2018-12-19 Method, apparatus and medium for decoding or encoding
PCT/US2019/035118 WO2020005462A1 (en) 2018-06-29 2019-06-03 Method, apparatus and medium for decoding or encoding

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KR20200118880A KR20200118880A (ko) 2020-10-16
KR102384691B1 true KR102384691B1 (ko) 2022-04-11
KR102384691B9 KR102384691B9 (ko) 2023-05-16

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US (5) US10687081B2 (https=)
EP (1) EP3815378A4 (https=)
JP (5) JP7068481B2 (https=)
KR (1) KR102384691B1 (https=)
CN (4) CN115361552B (https=)
WO (1) WO2020005462A1 (https=)

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US10687081B2 (en) * 2018-06-29 2020-06-16 Tencent America LLC Method, apparatus and medium for decoding or encoding
EP3836543A1 (en) * 2018-09-02 2021-06-16 Lg Electronics Inc. Image coding method based on multiple transform selection and device therefor
US11218694B2 (en) * 2018-09-24 2022-01-04 Qualcomm Incorporated Adaptive multiple transform coding
US11412258B2 (en) * 2020-02-12 2022-08-09 Tencent America LLC Line graph transforms (LGTs) using 8-bit and 10-bit cores
US11405647B2 (en) * 2020-02-18 2022-08-02 Tencent America LLC Primary transforms using 8-bit and 10-bit cores

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US20160219290A1 (en) * 2015-01-26 2016-07-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual

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PT3370420T (pt) * 2010-12-21 2019-10-31 Ntt Docomo Inc Codificação com intra-predição melhorada utilizando representações planares
WO2012115487A2 (ko) * 2011-02-25 2012-08-30 삼성전자 주식회사 영상의 변환 및 역변환 방법, 및 이를 이용한 영상의 부호화 및 복호화 장치
US20130003856A1 (en) * 2011-07-01 2013-01-03 Samsung Electronics Co. Ltd. Mode-dependent transforms for residual coding with low latency
US20160021369A1 (en) * 2014-07-15 2016-01-21 Shreyas HAMPALI Video coding including a stage-interdependent multi-stage butterfly integer transform
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US20160219290A1 (en) * 2015-01-26 2016-07-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual

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Publication number Publication date
KR20200118880A (ko) 2020-10-16
WO2020005462A1 (en) 2020-01-02
JP2022105120A (ja) 2022-07-12
US20210289231A1 (en) 2021-09-16
JP2025072600A (ja) 2025-05-09
JP7275354B2 (ja) 2023-05-17
US20240163481A1 (en) 2024-05-16
CN115361552A (zh) 2022-11-18
CN115361551A (zh) 2022-11-18
CN115361551B (zh) 2026-04-14
US10687081B2 (en) 2020-06-16
US20230018357A1 (en) 2023-01-19
JP7463597B2 (ja) 2024-04-08
EP3815378A4 (en) 2022-03-23
JP7068481B2 (ja) 2022-05-16
KR102384691B9 (ko) 2023-05-16
US11503338B2 (en) 2022-11-15
US20200267413A1 (en) 2020-08-20
CN111955010B (zh) 2022-07-05
US11044494B2 (en) 2021-06-22
JP2021515468A (ja) 2021-06-17
JP2024081723A (ja) 2024-06-18
CN115361553B (zh) 2026-04-14
CN111955010A (zh) 2020-11-17
JP7635447B2 (ja) 2025-02-25
JP2023099178A (ja) 2023-07-11
CN115361553A (zh) 2022-11-18
US11930214B2 (en) 2024-03-12
CN115361552B (zh) 2026-04-14
EP3815378A1 (en) 2021-05-05
US20200007892A1 (en) 2020-01-02

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