JP7068481B2 - 復号化のための方法、装置及びコンピュータプログラム - Google Patents

復号化のための方法、装置及びコンピュータプログラム Download PDF

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JP7068481B2
JP7068481B2 JP2020544649A JP2020544649A JP7068481B2 JP 7068481 B2 JP7068481 B2 JP 7068481B2 JP 2020544649 A JP2020544649 A JP 2020544649A JP 2020544649 A JP2020544649 A JP 2020544649A JP 7068481 B2 JP7068481 B2 JP 7068481B2
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JP2021515468A (ja
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ジャオ，シン
リ，シアン
リィウ，シャン
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Tencent America LLC
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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
    • 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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/146—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
    • H04N19/625—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)
JP2020544649A 2018-06-29 2019-06-03 復号化のための方法、装置及びコンピュータプログラム Active JP7068481B2 (ja)

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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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JP2023076353A Active JP7463597B2 (ja) 2018-06-29 2023-05-02 復号化のための方法、装置及びコンピュータプログラム
JP2024050625A Active JP7635447B2 (ja) 2018-06-29 2024-03-27 復号化のための方法、装置及びコンピュータプログラム
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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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US20130003856A1 (en) 2011-07-01 2013-01-03 Samsung Electronics Co. Ltd. Mode-dependent transforms for residual coding with low latency
US20160219290A1 (en) 2015-01-26 2016-07-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US20180098081A1 (en) 2016-10-01 2018-04-05 Qualcomm Incorporated Transform selection for video coding

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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
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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JP6555814B2 (ja) * 2015-08-20 2019-08-07 日本放送協会 直交変換処理装置、逆直交変換処理装置、符号化装置、復号装置、及びコンピュータプログラム
US10491922B2 (en) * 2015-09-29 2019-11-26 Qualcomm Incorporated Non-separable secondary transform for video coding
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CN109417620B (zh) * 2016-03-25 2021-04-27 松下知识产权经营株式会社 用于使用信号依赖型自适应量化将运动图像编码及解码的方法及装置
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US20130003856A1 (en) 2011-07-01 2013-01-03 Samsung Electronics Co. Ltd. Mode-dependent transforms for residual coding with low latency
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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
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
KR102384691B1 (ko) 2022-04-11
CN115361552B (zh) 2026-04-14
EP3815378A1 (en) 2021-05-05
US20200007892A1 (en) 2020-01-02

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