JP7770135B2 - 画像符号化装置及び方法及びプログラム - Google Patents

画像符号化装置及び方法及びプログラム

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Publication number
JP7770135B2
JP7770135B2 JP2021135803A JP2021135803A JP7770135B2 JP 7770135 B2 JP7770135 B2 JP 7770135B2 JP 2021135803 A JP2021135803 A JP 2021135803A JP 2021135803 A JP2021135803 A JP 2021135803A JP 7770135 B2 JP7770135 B2 JP 7770135B2
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JP
Japan
Prior art keywords
encoding
color difference
block
input frame
blocks
Prior art date
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Application number
JP2021135803A
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English (en)
Japanese (ja)
Other versions
JP2023030585A (ja
JP2023030585A5 (enExample
Inventor
英史 竹田
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.)
Canon Inc
Original Assignee
Canon Inc
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2021135803A priority Critical patent/JP7770135B2/ja
Priority to US17/883,715 priority patent/US12028521B2/en
Publication of JP2023030585A publication Critical patent/JP2023030585A/ja
Publication of JP2023030585A5 publication Critical patent/JP2023030585A5/ja
Application granted granted Critical
Publication of JP7770135B2 publication Critical patent/JP7770135B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/162—User input
    • 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
    • H04N19/186—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
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021135803A 2021-08-23 2021-08-23 画像符号化装置及び方法及びプログラム Active JP7770135B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2021135803A JP7770135B2 (ja) 2021-08-23 2021-08-23 画像符号化装置及び方法及びプログラム
US17/883,715 US12028521B2 (en) 2021-08-23 2022-08-09 Encoder, method, and non-transitory computer-readable storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021135803A JP7770135B2 (ja) 2021-08-23 2021-08-23 画像符号化装置及び方法及びプログラム

Publications (3)

Publication Number Publication Date
JP2023030585A JP2023030585A (ja) 2023-03-08
JP2023030585A5 JP2023030585A5 (enExample) 2024-09-03
JP7770135B2 true JP7770135B2 (ja) 2025-11-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021135803A Active JP7770135B2 (ja) 2021-08-23 2021-08-23 画像符号化装置及び方法及びプログラム

Country Status (2)

Country Link
US (1) US12028521B2 (enExample)
JP (1) JP7770135B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240009045A (ko) * 2022-07-13 2024-01-22 주식회사 엘엑스세미콘 영상 처리 장치 및 이의 구동 방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018152851A (ja) 2017-03-10 2018-09-27 日本放送協会 符号化装置、復号装置及びプログラム
WO2020256485A1 (ko) 2019-06-19 2020-12-24 엘지전자 주식회사 크로마 블록의 적응적 크기 제한을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190281215A1 (en) * 2018-03-06 2019-09-12 Hong Kong Applied Science and Technology Research Institute Company, Limited Method for High-Quality Panorama Generation with Color, Luminance, and Sharpness Balancing
MX2021003166A (es) * 2018-09-21 2021-05-14 Huawei Tech Co Ltd Aparato y metodo para cuantificacion inversa.
CN112449099B (zh) * 2019-08-30 2022-08-19 华为技术有限公司 一种图像处理方法、电子设备及云服务器
EP4094441A4 (en) * 2020-04-01 2023-08-16 Huawei Technologies Co., Ltd. METHOD AND APPARATUS FOR SAMPLE EXTRACTION AND FILLING FOR SUB-SAMPLING FILTERING FOR CROSS-COMPONENT LINEAR MODEL PREDICTION

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018152851A (ja) 2017-03-10 2018-09-27 日本放送協会 符号化装置、復号装置及びプログラム
WO2020256485A1 (ko) 2019-06-19 2020-12-24 엘지전자 주식회사 크로마 블록의 적응적 크기 제한을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Weijia Zhu, et al.，Non-CE8: Adaptive single/dual tree with IBC simplification [online]，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 15th Meeting:Gothenburg, SE, 3-12 July 2019， JVET-O JVET-O0258-v1，2019年07月05日，pp.1-10，Retrieved from ＜https://jvet-experts.org/doc_end_user/documents/15_Gothenburg/wg11/JVET-O0258-v2.zip＞＜JVET-O0258-v1.docx＞

Also Published As

Publication number Publication date
US20230057659A1 (en) 2023-02-23
US12028521B2 (en) 2024-07-02
JP2023030585A (ja) 2023-03-08

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