JP7612415B2 - ビデオ復号化方法、装置、及びコンピュータプログラム - Google Patents

ビデオ復号化方法、装置、及びコンピュータプログラム Download PDF

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JP7612415B2
JP7612415B2 JP2020560454A JP2020560454A JP7612415B2 JP 7612415 B2 JP7612415 B2 JP 7612415B2 JP 2020560454 A JP2020560454 A JP 2020560454A JP 2020560454 A JP2020560454 A JP 2020560454A JP 7612415 B2 JP7612415 B2 JP 7612415B2
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intra prediction
neighboring block
mpm
mpm list
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JP2021520749A5 (https=
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ジャオ，リアン
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
    • H04N19/10—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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • 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
    • H04N19/157—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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

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US16/234,993 US10771778B2 (en) 2018-09-14 2018-12-28 Method and device for MPM list generation for multi-line intra prediction
US16/234,993 2018-12-28
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ＢＲＯＳＳ， Ｂｅｎｊａｍｉｎ ｅｔ ａｌ．， Ｖｅｒｓａｔｉｌｅ Ｖｉｄｅｏ Ｃｏｄｉｎｇ （Ｄｒａｆｔ ２）， Ｊｏｉｎｔ Ｖｉｄｅｏ Ｅｘｐｅｒｔｓ Ｔｅａｍ （ＪＶＥＴ） ｏｆ ＩＴＵ－Ｔ ＳＧ １６ ＷＰ ３ ａｎｄ ＩＳＯ／ＩＥＣ ＪＴＣ １／ＳＣ ２９／ＷＧ １１ １１ｔｈ Ｍｅｅｔｉｎｇ： Ｌｊｕｂｌｊａｎａ， ＳＩ， １０－１８ Ｊｕｌｙ ２０１８， ［ＪＶＥＴ－Ｋ１００１－ｖ４］， ＪＶＥＴ－Ｋ１００１ （ｖｅｒｓｉｏｎ ４）， ＩＴＵ－Ｔ， ２０１８年０８月１７日， ＜ＵＲＬ：ｈｔｔｐ：／／ｐｈｅｎｉｘ．ｉｔ－ｓｕｄｐａｒｉｓ．ｅｕ／ｊｖｅｔ／ｄｏｃ＿ｅｎｄ＿ｕｓｅｒ／ｄｏｃｕｍｅｎｔｓ／１１＿Ｌｊｕｂｌｊａｎａ／ｗｇ１１／ＪＶＥＴ－Ｋ１００１－ｖ４．ｚｉｐ＞： ＪＶＥＴ－Ｋ１００１－ｖ４．ｄｏｃｘ： ｐｐ．４３－４６
ＣＨＡＮＧ， Ｙａｏ－Ｊｅｎ ｅｔ ａｌ．， Ｉｍｐｒｏｖｅｄ ｉｎｔｒａ ｐｒｅｄｉｃｔｉｏｎ ｍｅｔｈｏｄ ｂａｓｅｄ ｏｎ ａｒｂｉｔｒａｒｙ ｒｅｆｅｒｅｎｃｅ ｔｉｅｒ ｃｏｄｉｎｇ ｓｃｈｅｍｅｓ， ２０１６ Ｐｉｃｔｕｒｅ Ｃｏｄｉｎｇ Ｓｙｍｐｏｓｉｕｍ，ＩＥＥＥ， ２０１７年０４月２４日， ｐｐ．１－５， ＜ＵＲＬ：ｈｔｔｐｓ：／／ｉｅｅｅｘｐｌｏｒｅ．ｉｅｅｅ．ｏｒｇ／ｄｏｃｕｍｅｎｔ／７９０６３３９＞， ＜ＤＯＩ： １０．１１０９／ＰＣＳ．２０１６．７９０６３３９＞
ＣＨＥＮ， Ｙｉ－Ｗｅｎ ｅｔ ａｌ．， Ｄｅｓｃｒｉｐｔｉｏｎ ｏｆ ＳＤＲ， ＨＤＲ ａｎｄ ３６０° ｖｉｄｅｏ ｃｏｄｉｎｇ ｔｅｃｈｎｏｌｏｇｙ ｐｒｏｐｏｓａｌ ｂｙ Ｑｕａｌｃｏｍｍ ａｎｄ Ｔｅｃｈｎｉｃｏｌｏｒ － ｌｏｗ ａｎｄ ｈｉｇｈ ｃｏｍｐｌｅｘｉｔｙ ｖｅｒｓｉｏｎｓ， Ｊｏｉｎｔ Ｖｉｄｅｏ Ｅｘｐｌｏｒａｔｉｏｎ Ｔｅａｍ （ＪＶＥＴ） ｏｆ ＩＴＵ－Ｔ ＳＧ １６ ＷＰ ３ ａｎｄ ＩＳＯ／ＩＥＣ ＪＴＣ １／ＳＣ ２９／ＷＧ １１ １０ｔｈ Ｍｅｅｔｉｎｇ： Ｓａｎ Ｄｉｅｇｏ， ＵＳ， １０－２０ Ａｐｒ． ２０１８， ［ＪＶＥＴ－Ｊ００２１］， ＪＶＥＴ－Ｊ００２１ （ｖｅｒｓｉｏｎ ５）， ＩＴＵ－Ｔ， ２０１８年０４月１４日， ｐｐ． １３－１４，＜ＵＲＬ：ｈｔｔｐ：／／ｐｈｅｎｉｘ．ｉｔ－ｓｕｄｐａｒｉｓ．ｅｕ／ｊｖｅｔ／ｄｏｃ＿ｅｎｄ＿ｕｓｅｒ／ｄｏｃｕｍｅｎｔｓ／１０＿Ｓａｎ％２０Ｄｉｅｇｏ／ｗｇ１１／ＪＶＥＴ－Ｊ００２１－ｖ５．ｚｉｐ＞： ＪＶＥＴ－Ｊ００２１＿ｒ１．ｄｏｃｘ： ｐｐ． １３－１４
ＺＨＡＯ， Ｌｉａｎｇ ｅｔ ａｌ．， ＣＥ３－ｒｅｌａｔｅｄ： ＭＰＭ ｂａｓｅｄ ｍｕｌｔｉ－ｌｉｎｅ ｉｎｔｒａ ｐｒｅｄｉｃｔｉｏｎ ｓｃｈｅｍｅ， Ｊｏｉｎｔ Ｖｉｄｅｏ Ｅｘｐｌｏｒａｔｉｏｎ Ｔｅａｍ （ＪＶＥＴ） ｏｆ ＩＴＵ－Ｔ ＳＧ １６ ＷＰ ３ ａｎｄ ＩＳＯ／ＩＥＣ ＪＴＣ １／ＳＣ ２９／ＷＧ １１ １１ｔｈ Ｍｅｅｔｉｎｇ： Ｌｊｕｂｌｊａｎａ， ＳＩ， １０－１８ Ｊｕｌｙ ２０１８， ［ＪＶＥＴ－Ｋ０４８２＿ｒ１］， ＪＶＥＴ－Ｋ０４８２ （ｖｅｒｓｉｏｎ ３）， ＩＴＵ－Ｔ， ２０１８年０７月１４日， ｐｐ． １－３，＜ＵＲＬ：ｈｔｔｐ：／／ｐｈｅｎｉｘ．ｉｔ－ｓｕｄｐａｒｉｓ．ｅｕ／ｊｖｅｔ／ｄｏｃ＿ｅｎｄ＿ｕｓｅｒ／ｄｏｃｕｍｅｎｔｓ／１１＿Ｌｊｕｂｌｊａｎａ／ｗｇ１１／ＪＶＥＴ－Ｋ０４８２－ｖ３．ｚｉｐ＞： ＪＶＥＴ－Ｋ０４８２＿ｒ１．ｄｏｃｘ： ｐｐ． １－３

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WO2020055596A9 (en) 2020-04-30
WO2020055596A1 (en) 2020-03-19
US11825072B2 (en) 2023-11-21
JP7701410B2 (ja) 2025-07-01
CN115499651A (zh) 2022-12-20
CN115499653B (zh) 2025-05-06
US20240089426A1 (en) 2024-03-14
CN111937390A (zh) 2020-11-13
KR20200140344A (ko) 2020-12-15
CN111937390B (zh) 2022-07-29
US20200092544A1 (en) 2020-03-19
US10771778B2 (en) 2020-09-08
EP3850848A1 (en) 2021-07-21
EP3850848A4 (en) 2022-06-15
US20200404252A1 (en) 2020-12-24
JP2021520749A (ja) 2021-08-19
KR20230128585A (ko) 2023-09-05
US11451769B2 (en) 2022-09-20
KR102572839B1 (ko) 2023-08-30
US12549706B2 (en) 2026-02-10
CN115499651B (zh) 2025-05-06
JP2023126928A (ja) 2023-09-12
CN115499652A (zh) 2022-12-20
US20220394238A1 (en) 2022-12-08
CN115499652B (zh) 2025-08-22

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