JP7180794B2 - 復号装置、符号化装置、復号方法及び復号プログラム - Google Patents

復号装置、符号化装置、復号方法及び復号プログラム Download PDF

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JP7180794B2
JP7180794B2 JP2021566757A JP2021566757A JP7180794B2 JP 7180794 B2 JP7180794 B2 JP 7180794B2 JP 2021566757 A JP2021566757 A JP 2021566757A JP 2021566757 A JP2021566757 A JP 2021566757A JP 7180794 B2 JP7180794 B2 JP 7180794B2
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block
unit
prediction
intra prediction
division
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JPWO2021131058A1 (https=
JPWO2021131058A5 (https=
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章弘 屋森
君彦 数井
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Fujitsu Ltd
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Fujitsu Ltd
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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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021566757A 2019-12-27 2019-12-27 復号装置、符号化装置、復号方法及び復号プログラム Active JP7180794B2 (ja)

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PCT/JP2019/051563 WO2021131058A1 (ja) 2019-12-27 2019-12-27 復号装置、符号化装置、復号方法及び復号プログラム

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JPWO2021131058A1 JPWO2021131058A1 (https=) 2021-07-01
JPWO2021131058A5 JPWO2021131058A5 (https=) 2022-04-18
JP7180794B2 true JP7180794B2 (ja) 2022-11-30

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7783715B2 (ja) * 2021-09-16 2025-12-10 シャープ株式会社 動画像復号装置および動画像符号化装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012100047A1 (en) 2011-01-21 2012-07-26 Thomson Licensing Methods and apparatus for geometric-based intra prediction
US20130301716A1 (en) 2011-01-19 2013-11-14 Huawei Technologies Co., Ltd. Method and Device for Coding and Decoding Images
JP2019012980A (ja) 2017-07-03 2019-01-24 日本放送協会 決定装置、符号化装置、復号装置及びプログラム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130301716A1 (en) 2011-01-19 2013-11-14 Huawei Technologies Co., Ltd. Method and Device for Coding and Decoding Images
WO2012100047A1 (en) 2011-01-21 2012-07-26 Thomson Licensing Methods and apparatus for geometric-based intra prediction
JP2019012980A (ja) 2017-07-03 2019-01-24 日本放送協会 決定装置、符号化装置、復号装置及びプログラム

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Max Blaser, Johannes Sauer and Mathias Wien，Description of SDR and 360° video coding technology proposal by RWTH Aachen University，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-J0023-v1，10th Meeting: San Diego, US，2018年04月，pp.i-iv,1-22,28-41
Saverio Blasi, Andre Seixas Dias and Gosala Kulupana，Non-CE4: CIIP using triangular partitions，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-O 0522，15th Meeting: Gothenburg, SE，2019年07月，pp.1-5
Tangi Poirier, Fabrice Le Leannec and Philippe Bordes，CE10-related: Multiple prediction unit shapes，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-L0208-v1，12th Meeting: Macao, CN，2018年10月，pp.1-6

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WO2021131058A1 (ja) 2021-07-01
JPWO2021131058A1 (https=) 2021-07-01

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