JP7475455B2 - ビデオの符号化および復号のためのハイレベルシンタックス - Google Patents

ビデオの符号化および復号のためのハイレベルシンタックス Download PDF

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JP7475455B2
JP7475455B2 JP2022540581A JP2022540581A JP7475455B2 JP 7475455 B2 JP7475455 B2 JP 7475455B2 JP 2022540581 A JP2022540581 A JP 2022540581A JP 2022540581 A JP2022540581 A JP 2022540581A JP 7475455 B2 JP7475455 B2 JP 7475455B2
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JP2023516244A (ja
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ギローム ラロシュ，
ナエル ウエドラオゴ，
パトリス オンノ，
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Canon Inc
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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
    • H04N19/70—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
    • 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
    • H04N19/102—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/124—Quantisation
    • 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
    • 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
    • H04N19/17—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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of 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
    • H04N19/46—Embedding additional information in the video signal during the compression process

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022540581A 2020-03-11 2021-03-05 ビデオの符号化および復号のためのハイレベルシンタックス Active JP7475455B2 (ja)

Priority Applications (2)

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JP2024066301A JP7672538B2 (ja) 2020-03-11 2024-04-16 ビデオの符号化および復号のためのハイレベルシンタックス
JP2025069889A JP7804814B2 (ja) 2020-03-11 2025-04-21 ビデオの符号化および復号のためのハイレベルシンタックス

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB2003562.2A GB2592957A (en) 2020-03-11 2020-03-11 High level syntax for video coding and decoding
GB2003562.2 2020-03-11
GB2005741.0 2020-04-20
GB2005741.0A GB2592997B (en) 2020-03-11 2020-04-20 High level syntax for video coding and decoding
PCT/EP2021/055661 WO2021180595A1 (en) 2020-03-11 2021-03-05 High level syntax for video coding and decoding

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JP2024066301A Division JP7672538B2 (ja) 2020-03-11 2024-04-16 ビデオの符号化および復号のためのハイレベルシンタックス

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JP7475455B2 true JP7475455B2 (ja) 2024-04-26

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JP2022540581A Active JP7475455B2 (ja) 2020-03-11 2021-03-05 ビデオの符号化および復号のためのハイレベルシンタックス
JP2024066301A Active JP7672538B2 (ja) 2020-03-11 2024-04-16 ビデオの符号化および復号のためのハイレベルシンタックス
JP2025069889A Active JP7804814B2 (ja) 2020-03-11 2025-04-21 ビデオの符号化および復号のためのハイレベルシンタックス

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JP2025069889A Active JP7804814B2 (ja) 2020-03-11 2025-04-21 ビデオの符号化および復号のためのハイレベルシンタックス

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US (6) US12363278B2 (enExample)
EP (1) EP4118832A1 (enExample)
JP (3) JP7475455B2 (enExample)
KR (1) KR102924078B1 (enExample)
CN (6) CN120640009A (enExample)
GB (3) GB2592957A (enExample)
TW (1) TWI842980B (enExample)
WO (1) WO2021180595A1 (enExample)

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WO2021107638A1 (ko) * 2019-11-27 2021-06-03 엘지전자 주식회사 슬라이스 관련 정보를 시그널링하는 방법 및 장치
JP7475908B2 (ja) 2020-03-17 2024-04-30 シャープ株式会社 予測画像生成装置、動画像復号装置及び動画像符号化装置
GB2593222B (en) * 2020-03-20 2024-07-17 Canon Kk High level syntax for video coding and decoding
CN121309831A (zh) * 2020-04-03 2026-01-09 北京大学 一种视频编码、解码方法、设备及存储介质
US20230291933A1 (en) * 2020-05-22 2023-09-14 Lg Electronics Inc. Method and device for encoding/decoding image by signaling gci, and computer-readable recording medium in which bitstream is stored
CN118891875B (zh) * 2022-04-17 2025-10-14 Oppo广东移动通信有限公司 编解码方法、码流、编码器、解码器以及存储介质
WO2025137419A1 (en) * 2023-12-22 2025-06-26 Google Llc Adaptive range clipping

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US20250280111A1 (en) 2025-09-04
GB2592997A (en) 2021-09-15
GB202400742D0 (en) 2024-03-06
US20250280112A1 (en) 2025-09-04
JP7672538B2 (ja) 2025-05-07
WO2021180595A1 (en) 2021-09-16
CN120640007A (zh) 2025-09-12
GB202003562D0 (en) 2020-04-29
JP2024096913A (ja) 2024-07-17
CN115280785B (zh) 2025-06-27
JP7804814B2 (ja) 2026-01-22
KR102924078B1 (ko) 2026-02-06
US20250280113A1 (en) 2025-09-04
CN115280785A (zh) 2022-11-01
US12363278B2 (en) 2025-07-15
CN120640006A (zh) 2025-09-12
GB202005741D0 (en) 2020-06-03
EP4118832A1 (en) 2023-01-18
CN120640009A (zh) 2025-09-12
GB2625932A (en) 2024-07-03
CN120640005A (zh) 2025-09-12
TW202135533A (zh) 2021-09-16
US20250280110A1 (en) 2025-09-04
US20250280109A1 (en) 2025-09-04
KR20220138009A (ko) 2022-10-12
JP2023516244A (ja) 2023-04-19
CN120640008A (zh) 2025-09-12
GB2592957A (en) 2021-09-15
GB2625932B (en) 2024-11-06
GB2592997B (en) 2024-04-17
TWI842980B (zh) 2024-05-21
JP2025111598A (ja) 2025-07-30
US20230108509A1 (en) 2023-04-06

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