CN117581546A - 图像解码装置、图像解码方法及程序 - Google Patents

图像解码装置、图像解码方法及程序 Download PDF

Info

Publication number
CN117581546A
CN117581546A CN202280046261.XA CN202280046261A CN117581546A CN 117581546 A CN117581546 A CN 117581546A CN 202280046261 A CN202280046261 A CN 202280046261A CN 117581546 A CN117581546 A CN 117581546A
Authority
CN
China
Prior art keywords
syntax
decoding
value
prediction mode
decoding unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202280046261.XA
Other languages
English (en)
Chinese (zh)
Inventor
木谷佳隆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KDDI Corp
Original Assignee
KDDI Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KDDI Corp filed Critical KDDI Corp
Publication of CN117581546A publication Critical patent/CN117581546A/zh
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04N19/102—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
    • H04N19/119—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
    • H04N19/10—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
    • H04N19/50—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
    • H04N19/537—Motion estimation other than block-based
    • 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
    • H04N19/70—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202280046261.XA 2021-06-30 2022-06-30 图像解码装置、图像解码方法及程序 Pending CN117581546A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-109715 2021-06-30
JP2021109715A JP7665450B2 (ja) 2021-06-30 2021-06-30 画像復号装置、画像復号方法及びプログラム
PCT/JP2022/026210 WO2023277129A1 (ja) 2021-06-30 2022-06-30 画像復号装置、画像復号方法及びプログラム

Publications (1)

Publication Number Publication Date
CN117581546A true CN117581546A (zh) 2024-02-20

Family

ID=84692759

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280046261.XA Pending CN117581546A (zh) 2021-06-30 2022-06-30 图像解码装置、图像解码方法及程序

Country Status (4)

Country Link
US (1) US20240129490A1 (https=)
JP (2) JP7665450B2 (https=)
CN (1) CN117581546A (https=)
WO (1) WO2023277129A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117957841A (zh) * 2021-10-01 2024-04-30 Lg 电子株式会社 基于gpm的图像编译方法和装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020108651A1 (en) * 2018-11-29 2020-06-04 Beijing Bytedance Network Technology Co., Ltd. Affine inheritance method in intra block copy mode

Also Published As

Publication number Publication date
JP7815515B2 (ja) 2026-02-17
JP2023006877A (ja) 2023-01-18
JP2025100672A (ja) 2025-07-03
WO2023277129A1 (ja) 2023-01-05
US20240129490A1 (en) 2024-04-18
JP7665450B2 (ja) 2025-04-21

Similar Documents

Publication Publication Date Title
US12058369B2 (en) Method and apparatus for decoding video signal
US20220159238A1 (en) Method and apparatus for encoding/decoding an image signal
CN113507603B (zh) 图像信号编码/解码方法及其设备
US20160073107A1 (en) Method and apparatus for video encoding/decoding using intra prediction
JP2025103003A (ja) ビデオデコーダ、復号のための方法、ビデオエンコーダ、符号化のための方法、および非一時的なコンピュータ可読媒体
KR20130027975A (ko) 인트라 예측 모드 부호화/복호화 방법 및 장치
WO2019069601A1 (ja) 映像符号化装置、映像復号装置、映像符号化方法、映像復号方法およびプログラム
CN117917076A (zh) 图像解码装置、图像解码方法及程序
CN117941345A (zh) 图像解码装置、图像解码方法及程序
US12501054B2 (en) Image decoding device, image decoding method, and program
CN113366838A (zh) 对灵活大小的图片分割进行复杂度处理的编码器和解码器、编码方法和解码方法
JP7815515B2 (ja) 画像復号装置、画像復号方法及びプログラム
JP2024003175A (ja) 画像復号装置、画像復号方法及びプログラム
CN118264797A (zh) 合成式预测及限制性合并
CN117941348A (zh) 图像解码装置、图像解码方法及程序
CN110741642A (zh) 使用拟合平面和多个基准参考样本，以及多个次级参考样本进行定向帧内预测的装置和方法
US12143591B2 (en) Multi-hypothesis prediction
US20240129482A1 (en) Video encoding device, video decoding device, and video encoding method
CN117795955A (zh) 图像解码装置、图像解码方法及程序
TW202502041A (zh) 編解碼方法及裝置、編解碼器、碼流、電子設備、儲存媒介
HK40060158A (en) Encoder and decoder, encoding method and decoding method with complexity handling for flexibly sized picture partitions

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination