CN113545077B - 图像解码装置、图像解码方法、图像编码装置及图像编码方法 - Google Patents

图像解码装置、图像解码方法、图像编码装置及图像编码方法 Download PDF

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CN113545077B
CN113545077B CN202080018708.3A CN202080018708A CN113545077B CN 113545077 B CN113545077 B CN 113545077B CN 202080018708 A CN202080018708 A CN 202080018708A CN 113545077 B CN113545077 B CN 113545077B
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image
nal
decoding
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CN113545077A (zh
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藤本勇司
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Sony Group Corp
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Sony Group Corp
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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
    • H04N19/105—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/188—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 video data packet, e.g. a network abstraction layer [NAL] unit
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/58—Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202080018708.3A 2019-03-12 2020-03-12 图像解码装置、图像解码方法、图像编码装置及图像编码方法 Active CN113545077B (zh)

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US201962817197P 2019-03-12 2019-03-12
US62/817,197 2019-03-12
PCT/JP2020/010879 WO2020184672A1 (ja) 2019-03-12 2020-03-12 画像復号装置、画像復号方法、画像符号化装置、および画像符号化方法

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CN113545077B true CN113545077B (zh) 2025-05-13

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US (2) US11516468B2 (https=)
EP (1) EP3941059A1 (https=)
JP (2) JP7677142B2 (https=)
CN (1) CN113545077B (https=)
WO (1) WO2020184672A1 (https=)

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Publication number Priority date Publication date Assignee Title
KR20230025429A (ko) * 2020-06-06 2023-02-21 엘지전자 주식회사 스케일러빌리티를 위한 서브-비트스트림 추출 기반 영상 코딩 장치 및 방법
CN114615549B (zh) * 2022-05-11 2022-09-20 北京搜狐新动力信息技术有限公司 流媒体seek方法、客户端、存储介质和移动设备

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US8767836B2 (en) * 2006-03-27 2014-07-01 Nokia Corporation Picture delimiter in scalable video coding
JP4978575B2 (ja) * 2008-06-25 2012-07-18 富士通株式会社 シンクライアントシステムにおける画像符号化方法及び画像符号化プログラム
WO2013113997A1 (en) * 2012-02-01 2013-08-08 Nokia Corporation Method and apparatus for video coding
US10652532B2 (en) * 2016-07-06 2020-05-12 Agora Lab, Inc. Method and apparatus for reference frame management for video communication
PL3831055T3 (pl) * 2018-08-17 2025-03-10 Huawei Technologies Co., Ltd. Zarządzanie obrazami odniesienia w kodowaniu wideo
RU2769347C1 (ru) * 2019-01-02 2022-03-30 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для обработки видеосигнала посредством использования внешнего прогнозирования
WO2020185150A1 (en) * 2019-03-11 2020-09-17 Telefonaktiebolaget Lm Ericsson (Publ) Methods for recovery point process for video coding and related apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Hooks for scalable extensions;Miska M. Hannuksela 等;Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11 JCTVC-H0701r1;20120210;正文第1-3节 *

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JP7677142B2 (ja) 2025-05-15
JPWO2020184672A1 (https=) 2020-09-17
US11831865B2 (en) 2023-11-28
JP7736155B2 (ja) 2025-09-09
US20230007241A1 (en) 2023-01-05
US20220150469A1 (en) 2022-05-12
WO2020184672A1 (ja) 2020-09-17
US11516468B2 (en) 2022-11-29
JP2025036622A (ja) 2025-03-14
EP3941059A1 (en) 2022-01-19
CN113545077A (zh) 2021-10-22

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