JP2024002451A - 動画像符号化装置、動画像復号装置 - Google Patents

動画像符号化装置、動画像復号装置 Download PDF

Info

Publication number
JP2024002451A
JP2024002451A JP2022101630A JP2022101630A JP2024002451A JP 2024002451 A JP2024002451 A JP 2024002451A JP 2022101630 A JP2022101630 A JP 2022101630A JP 2022101630 A JP2022101630 A JP 2022101630A JP 2024002451 A JP2024002451 A JP 2024002451A
Authority
JP
Japan
Prior art keywords
image
nnpfc
value
information
neural network
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
JP2022101630A
Other languages
English (en)
Japanese (ja)
Other versions
JP2024002451A5 (https=
Inventor
健 中條
Takeshi Nakajo
知宏 猪飼
Tomohiro Igai
将伸 八杉
Masanobu Yasugi
靖昭 徳毛
Yasuaki Tokuge
友子 青野
Tomoko Aono
圭一郎 高田
Keiichiro Takada
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP2022101630A priority Critical patent/JP2024002451A/ja
Priority to US18/212,441 priority patent/US20230421785A1/en
Publication of JP2024002451A publication Critical patent/JP2024002451A/ja
Publication of JP2024002451A5 publication Critical patent/JP2024002451A5/ja
Pending legal-status Critical Current

Links

Images

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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • 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
    • H04N19/182—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 pixel
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022101630A 2022-06-24 2022-06-24 動画像符号化装置、動画像復号装置 Pending JP2024002451A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2022101630A JP2024002451A (ja) 2022-06-24 2022-06-24 動画像符号化装置、動画像復号装置
US18/212,441 US20230421785A1 (en) 2022-06-24 2023-06-21 Video coding apparatus and video decoding apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022101630A JP2024002451A (ja) 2022-06-24 2022-06-24 動画像符号化装置、動画像復号装置

Publications (2)

Publication Number Publication Date
JP2024002451A true JP2024002451A (ja) 2024-01-11
JP2024002451A5 JP2024002451A5 (https=) 2025-06-30

Family

ID=89322692

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022101630A Pending JP2024002451A (ja) 2022-06-24 2022-06-24 動画像符号化装置、動画像復号装置

Country Status (2)

Country Link
US (1) US20230421785A1 (https=)
JP (1) JP2024002451A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025191905A1 (ja) * 2024-03-12 2025-09-18 シャープ株式会社 動画像符号化装置、復号装置
WO2025215976A1 (ja) * 2024-04-08 2025-10-16 日本電気株式会社 映像符号化装置、映像復号装置、映像符号化方法、および映像復号方法

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4407994A4 (en) * 2021-09-22 2025-12-17 Sharp Kk Device for encoding moving images and device for decoding moving images
WO2024039681A1 (en) * 2022-08-15 2024-02-22 Bytedance Inc. Enhanced handling of neural-network post-filter ids
WO2024039540A1 (en) * 2022-08-15 2024-02-22 Bytedance Inc. Signaling of neural-network post-filter purposes and output chroma format
WO2024039723A1 (en) * 2022-08-17 2024-02-22 Bytedance Inc. Presence and relative decoding order of neural-network post-filter sei messages
EP4694136A1 (en) * 2023-04-06 2026-02-11 LG Electronics Inc. Image encoding/decoding method, bitstream transmitting method, and recording medium for storing bitstream
JP2026511982A (ja) * 2023-04-06 2026-04-14 エルジー エレクトロニクス インコーポレイティド 映像符号化／復号化方法、ビットストリームを伝送する方法、及びビットストリームを保存している記録媒体
US20240364936A1 (en) * 2023-04-13 2024-10-31 Sharp Kabushiki Kaisha Systems and methods for removing overlap for a neural network post-filter in video coding
US12593057B2 (en) * 2024-07-02 2026-03-31 Sharp Kabushiki Kaisha Systems and methods for signaling patch size information for spatial extrapolation in video coding
US20260012624A1 (en) * 2024-07-03 2026-01-08 Sharp Kabushiki Kaisha Systems and methods for signaling multiple spatial extrapolations in video coding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KEIICHIRO TAKADA, ,ET AL.: "AHG9: Complexity description for NNR post-filter SEI message", JVET-Y0075-V3, JPN6026007247, 13 January 2022 (2022-01-13), pages 1 - 4, ISSN: 0005806849 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025191905A1 (ja) * 2024-03-12 2025-09-18 シャープ株式会社 動画像符号化装置、復号装置
WO2025215976A1 (ja) * 2024-04-08 2025-10-16 日本電気株式会社 映像符号化装置、映像復号装置、映像符号化方法、および映像復号方法

Also Published As

Publication number Publication date
US20230421785A1 (en) 2023-12-28

Similar Documents

Publication Publication Date Title
JP2024002451A (ja) 動画像符号化装置、動画像復号装置
CN114616829B (zh) 视频和影像编解码方法与相关装置
CN113115047B (zh) 视频编解码方法和设备
EP3424217B1 (en) Methods and systems for generating color remapping information supplemental enhancement information messages for video
JP2022521809A (ja) ビデオコーディングにおける係数領域ブロック差分パルスコード変調
JP7846554B2 (ja) 動画像符号化装置、動画像復号装置および集積回路
CA2951522A1 (en) Extensible design of nesting supplemental enhancement information (sei) messages
US20230319315A1 (en) Coding enhancement in cross-component sample adaptive offset
CN114830673B (zh) 用于多个层的共享解码器图片缓冲器
EP4395325A1 (en) Coding apparatus and decoding apparatus
JP7697122B2 (ja) 画像復号装置、画像符号化装置、画像復号方法及び画像符号化方法
CN116671105A (zh) 具有虚拟边界的跨分量样点自适应偏移中的色度编解码增强
JP2025065564A (ja) 映像処理におけるタイル及びスライス区画
EP4346213A1 (en) Video coding apparatus and video decoding apparatus
CN114175653A (zh) 用于视频编解码中的无损编解码模式的方法和装置
US11882270B2 (en) Method and apparatus for video coding with constraints on reference picture lists of a RADL picture
CN117769834A (zh) 跨分量样点自适应偏移中的编解码增强
CN114375579B (zh) 视频编解码方法及装置
CN118381897A (zh) 运动图像编码装置、解码装置
JP2024092440A (ja) 動画像符号化装置、復号装置
WO2023112784A1 (ja) 動画像復号装置、ポスト画像処理装置、動画像符号化装置、動画像復号方法及び動画像符号化方法
JP2024076475A (ja) 動画像符号化装置、復号装置
WO2025101111A1 (en) Picture reconstruction using image regions
CN119728968A (zh) 运动图像编码装置、解码装置
HK40048674A (en) Video coding and decoding method and device

Legal Events

Date Code Title Description
RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20221207

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250605

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250605

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20260216

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20260303