EP4466856A4 - Character prediction for block-based video coding - Google Patents

Character prediction for block-based video coding

Info

Publication number
EP4466856A4
EP4466856A4 EP23740726.7A EP23740726A EP4466856A4 EP 4466856 A4 EP4466856 A4 EP 4466856A4 EP 23740726 A EP23740726 A EP 23740726A EP 4466856 A4 EP4466856 A4 EP 4466856A4
Authority
EP
European Patent Office
Prior art keywords
block
video coding
based video
sign prediction
prediction
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
EP23740726.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4466856A1 (en
Inventor
Xiaoyu Xiu
Ning Yan
Yi-Wen Chen
Che-Wei Kuo
Wei Chen
Hong-Jheng Jhu
Han Gao
Xianglin Wang
Bing Yu
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.)
Beijing Dajia Internet Information Technology Co Ltd
Original Assignee
Beijing Dajia Internet Information Technology Co Ltd
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
Priority claimed from PCT/US2022/040442 external-priority patent/WO2023023039A1/en
Priority claimed from PCT/US2022/043607 external-priority patent/WO2023043885A1/en
Priority claimed from PCT/US2022/049264 external-priority patent/WO2023086330A1/en
Priority claimed from PCT/US2022/053150 external-priority patent/WO2023114468A1/en
Application filed by Beijing Dajia Internet Information Technology Co Ltd filed Critical Beijing Dajia Internet Information Technology Co Ltd
Publication of EP4466856A1 publication Critical patent/EP4466856A1/en
Publication of EP4466856A4 publication Critical patent/EP4466856A4/en
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
    • H04N19/50—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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/117—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
    • H04N19/119—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP23740726.7A 2022-01-17 2023-01-17 Character prediction for block-based video coding Pending EP4466856A4 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US202263300187P 2022-01-17 2022-01-17
PCT/US2022/040442 WO2023023039A1 (en) 2021-08-17 2022-08-16 Sign prediction for block-based video coding
PCT/US2022/043607 WO2023043885A1 (en) 2021-09-15 2022-09-15 Sign prediction for block-based video coding
PCT/US2022/049264 WO2023086330A1 (en) 2021-11-10 2022-11-08 Sign prediction for block-based video coding
PCT/US2022/053150 WO2023114468A1 (en) 2021-12-16 2022-12-16 Sign prediction for block-based video coding
PCT/US2023/010901 WO2023137217A1 (en) 2022-01-17 2023-01-17 Sign prediction for block-based video coding

Publications (2)

Publication Number Publication Date
EP4466856A1 EP4466856A1 (en) 2024-11-27
EP4466856A4 true EP4466856A4 (en) 2025-12-17

Family

ID=87279730

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23740726.7A Pending EP4466856A4 (en) 2022-01-17 2023-01-17 Character prediction for block-based video coding

Country Status (6)

Country Link
EP (1) EP4466856A4 (enExample)
JP (1) JP2025501981A (enExample)
KR (1) KR20240137627A (enExample)
CN (2) CN118476228A (enExample)
MX (1) MX2024008859A (enExample)
WO (1) WO2023137217A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121693912A (zh) * 2023-08-17 2026-03-17 北京达佳互联信息技术有限公司 基于外推滤波器的预测模式的方法和设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180176563A1 (en) * 2016-12-21 2018-06-21 Qualcomm Incorporated Low-complexity sign prediction for video coding
WO2020242238A1 (ko) * 2019-05-29 2020-12-03 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3023112A1 (fr) * 2014-06-27 2016-01-01 Bcom Procede de codage d'une image numerique, procede de decodage, dispositifs et programmes d'ordinateurs associes
US20190208225A1 (en) * 2018-01-02 2019-07-04 Qualcomm Incorporated Sign prediction in video coding
WO2019172798A1 (en) * 2018-03-07 2019-09-12 Huawei Technologies Co., Ltd. Method and apparatus for residual sign prediction in transform domain
US11223849B2 (en) * 2018-03-27 2022-01-11 Nokia Technologies Oy Transform sign compression in video encoding and decoding

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180176563A1 (en) * 2016-12-21 2018-06-21 Qualcomm Incorporated Low-complexity sign prediction for video coding
WO2020242238A1 (ko) * 2019-05-29 2020-12-03 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US20220232230A1 (en) * 2019-05-29 2022-07-21 Electronics And Telecommunications Research Institute Image encoding/decoding method and apparatus, and recording medium having stored bitstream thereon

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
COBAN M ET AL: "Algorithm description of Enhanced Compression Model 2 (ECM 2)", no. m57745 ; JVET-W2025, 1 September 2021 (2021-09-01), XP030297803, Retrieved from the Internet <URL:https://dms.mpeg.expert/doc_end_user/documents/135_Teleconference/wg11/m57745-JVET-W2025-v1-JVET-W2025.zip JVET-W2025.docx> [retrieved on 20210901] *
SARWER (ALIBABA-INC) M G ET AL: "AHG12: On sign prediction", no. JVET-X0120 ; m57920, 7 October 2021 (2021-10-07), XP030298003, Retrieved from the Internet <URL:https://jvet-experts.org/doc_end_user/documents/24_Teleconference/wg11/JVET-X0120-v2.zip JVET-X0120-v2-clean.docx> [retrieved on 20211007] *
See also references of WO2023137217A1 *
XIU (KWAI) X ET AL: "AHG12: Enhanced sign prediction", no. JVET-X0150 ; m57954, 7 October 2021 (2021-10-07), XP030298086, Retrieved from the Internet <URL:https://jvet-experts.org/doc_end_user/documents/24_Teleconference/wg11/JVET-X0150-v2.zip JVET-X0150-v2.docx> [retrieved on 20211007] *

Also Published As

Publication number Publication date
JP2025501981A (ja) 2025-01-24
WO2023137217A1 (en) 2023-07-20
CN118556402A (zh) 2024-08-27
MX2024008859A (es) 2024-07-25
KR20240137627A (ko) 2024-09-20
CN118476228A (zh) 2024-08-09
EP4466856A1 (en) 2024-11-27

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