JP2022539768A - 画像予測方法、エンコーダ、デコーダ及び記憶媒体 - Google Patents

画像予測方法、エンコーダ、デコーダ及び記憶媒体 Download PDF

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JP2022539768A
JP2022539768A JP2021577825A JP2021577825A JP2022539768A JP 2022539768 A JP2022539768 A JP 2022539768A JP 2021577825 A JP2021577825 A JP 2021577825A JP 2021577825 A JP2021577825 A JP 2021577825A JP 2022539768 A JP2022539768 A JP 2022539768A
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ユイ、ユアンファン
リウ、ヤン
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to JP2025049936A priority patent/JP2025094210A/ja
Priority to JP2025049857A priority patent/JP2025094206A/ja
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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
    • H04N19/50—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
    • H04N19/11—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
    • H04N19/134—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
    • H04N19/10—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/186—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 colour or a chrominance component
    • 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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  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021577825A 2019-07-07 2020-05-15 画像予測方法、エンコーダ、デコーダ及び記憶媒体 Pending JP2022539768A (ja)

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JP2025049967A JP2025106816A (ja) 2019-07-07 2025-03-25 画像予測方法、エンコーダ、デコーダ及び記憶媒体
JP2025049936A JP2025094210A (ja) 2019-07-07 2025-03-25 画像予測方法、エンコーダ、デコーダ及び記憶媒体
JP2025049857A JP2025094206A (ja) 2019-07-07 2025-03-25 画像予測方法、エンコーダ、デコーダ及び記憶媒体
JP2025049891A JP2025094208A (ja) 2019-07-07 2025-03-25 画像予測方法、エンコーダ、デコーダ及び記憶媒体

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US201962871177P 2019-07-07 2019-07-07
US62/871,177 2019-07-07
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JP2025049936A Division JP2025094210A (ja) 2019-07-07 2025-03-25 画像予測方法、エンコーダ、デコーダ及び記憶媒体
JP2025049891A Division JP2025094208A (ja) 2019-07-07 2025-03-25 画像予測方法、エンコーダ、デコーダ及び記憶媒体
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WO2021034158A1 (ko) * 2019-08-22 2021-02-25 엘지전자 주식회사 매트릭스 기반 인트라 예측 장치 및 방법
CN120151516A (zh) * 2019-08-22 2025-06-13 Lg电子株式会社 图像解码和编码方法及数据的传输方法
WO2021069688A1 (en) * 2019-10-11 2021-04-15 Interdigital Vc Holdings France, Sas Deep intra predictor generating side information
JP2025511315A (ja) * 2022-04-08 2025-04-15 オッポ広東移動通信有限公司 デコーディング方法、エンコーディング方法、デコーダー及びエンコーダー
CN118985131A (zh) * 2022-04-08 2024-11-19 Oppo广东移动通信有限公司 解码方法、编码方法、解码器以及编码器
CN116320438A (zh) * 2022-09-16 2023-06-23 浙江大华技术股份有限公司 帧内预测模式的确定方法、智能编码方法及智能解码方法
CN120202662A (zh) * 2022-10-12 2025-06-24 Lg 电子株式会社 基于帧内预测的图像编码/解码方法、传输比特流的方法以及存储比特流的记录介质
CN121176020A (zh) * 2023-05-15 2025-12-19 联发科技股份有限公司 用于在视频编解码系统中选择变换类型的方法和装置

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CN119629366A (zh) 2025-03-14
JP2025094208A (ja) 2025-06-24
JP2025094210A (ja) 2025-06-24
WO2021004153A1 (zh) 2021-01-14
KR20220029589A (ko) 2022-03-08
CN114786019A (zh) 2022-07-22
JP2025106816A (ja) 2025-07-16
US12126836B2 (en) 2024-10-22
EP3975565A1 (en) 2022-03-30
CN121691720A (zh) 2026-03-17
US20260006253A1 (en) 2026-01-01
US20220191548A1 (en) 2022-06-16
EP3975565A4 (en) 2022-07-27
CN121691718A (zh) 2026-03-17
US20240430487A1 (en) 2024-12-26
CN120956924A (zh) 2025-11-14
JP2025094206A (ja) 2025-06-24
CN121728265A (zh) 2026-03-24
CN114786019B (zh) 2024-10-18
CN114467306A (zh) 2022-05-10
CN119402667A (zh) 2025-02-07
US20260006252A1 (en) 2026-01-01
CN121691719A (zh) 2026-03-17
US20260082082A1 (en) 2026-03-19
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US20260006254A1 (en) 2026-01-01

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