EP4402903A4 - Zeichenvorhersage für blockbasierte videocodierung - Google Patents

Zeichenvorhersage für blockbasierte videocodierung

Info

Publication number
EP4402903A4
EP4402903A4 EP22870667.7A EP22870667A EP4402903A4 EP 4402903 A4 EP4402903 A4 EP 4402903A4 EP 22870667 A EP22870667 A EP 22870667A EP 4402903 A4 EP4402903 A4 EP 4402903A4
Authority
EP
European Patent Office
Prior art keywords
block
video coding
based video
character 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
EP22870667.7A
Other languages
English (en)
French (fr)
Other versions
EP4402903A1 (de
Inventor
Xianglin Wang
Xiaoyu Xiu
Ning Yan
Yi-Wen Chen
Che-Wei Kuo
Wei Chen
Hong-Jheng Jhu
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
Application filed by Beijing Dajia Internet Information Technology Co Ltd filed Critical Beijing Dajia Internet Information Technology Co Ltd
Publication of EP4402903A1 publication Critical patent/EP4402903A1/de
Publication of EP4402903A4 publication Critical patent/EP4402903A4/de
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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N19/119—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
    • H04N19/102—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
    • 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
    • H04N19/102—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/50—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
    • H04N19/70—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
    • H04N19/90—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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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)
EP22870667.7A 2021-09-15 2022-09-15 Zeichenvorhersage für blockbasierte videocodierung Pending EP4402903A4 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202163244317P 2021-09-15 2021-09-15
US202163250797P 2021-09-30 2021-09-30
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

Publications (2)

Publication Number Publication Date
EP4402903A1 EP4402903A1 (de) 2024-07-24
EP4402903A4 true EP4402903A4 (de) 2025-08-06

Family

ID=85603491

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22870667.7A Pending EP4402903A4 (de) 2021-09-15 2022-09-15 Zeichenvorhersage für blockbasierte videocodierung

Country Status (6)

Country Link
EP (1) EP4402903A4 (de)
JP (1) JP7813353B2 (de)
KR (1) KR20240066274A (de)
CN (1) CN117981319A (de)
MX (1) MX2024003298A (de)
WO (1) WO2023043885A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024218080A1 (en) * 2023-04-21 2024-10-24 Interdigital Ce Patent Holdings, Sas Sign prediction of transform coefficients
WO2025218691A1 (en) * 2024-04-16 2025-10-23 Mediatek Inc. Methods and apparatus for adaptively determining selected transform type in image and video coding systems
WO2025237222A1 (en) * 2024-05-13 2025-11-20 Mediatek Inc. Methods and apparatus for adaptively determining transform type in image and video coding systems

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180176556A1 (en) * 2016-12-21 2018-06-21 Qualcomm Incorporated Low-complexity sign prediction for video coding

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20120602A1 (it) * 2012-07-09 2014-01-10 Sisvel Technology Srl Method for transforming an image descriptor based on a gradient histogram and relative image processing apparatus.
EP3100235B1 (de) * 2014-01-31 2020-02-19 Sony Corporation Optimiertes verfahren zur schätzung der dominanten gradientenrichtung eines digitalen bildbereiches
US9380312B2 (en) * 2014-07-14 2016-06-28 Apple Inc. Encoding blocks in video frames containing text using histograms of gradients
FR3046321B1 (fr) 2015-12-29 2018-01-26 B<>Com Procede de codage d'une image numerique, procede de decodage, dispositifs, terminal d'utilisateur et programmes d'ordinateurs associes
US20190208225A1 (en) 2018-01-02 2019-07-04 Qualcomm Incorporated Sign prediction in video coding
CN111819854B (zh) 2018-03-07 2022-12-06 华为技术有限公司 用于协调多符号位隐藏和残差符号预测的方法和装置
CN111819852B (zh) 2018-03-07 2023-06-02 华为技术有限公司 用于变换域中残差符号预测的方法及装置
EP4409880A4 (de) 2021-09-29 2025-09-03 Alibaba Damo Hangzhou Tech Co Ltd Verbesserte restzeichenvorhersage von transformationskoeffizienten in der videocodierung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180176556A1 (en) * 2016-12-21 2018-06-21 Qualcomm Incorporated Low-complexity sign prediction for video coding

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"Test Model 13 for Versatile Video Coding (VTM 13)", no. n20241, 7 July 2021 (2021-07-07), XP030297477, Retrieved from the Internet <URL:https://dms.mpeg.expert/doc_end_user/documents/134_OnLine/wg11/MDS20241_WG05_N00056.zip WG5_N0056_VTM13.docx> [retrieved on 20210707] *
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] *
NASRALLAH ANTHONY ET AL: "Decoder-Side Intra Mode Derivation with Texture Analysis in VVC Test Model", 2019 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP), IEEE, 22 September 2019 (2019-09-22), pages 3153 - 3157, XP033642190, [retrieved on 20190815], DOI: 10.1109/ICIP.2019.8803773 *
See also references of WO2023043885A1 *

Also Published As

Publication number Publication date
JP7813353B2 (ja) 2026-02-12
JP2024534458A (ja) 2024-09-20
CN117981319A (zh) 2024-05-03
EP4402903A1 (de) 2024-07-24
KR20240066274A (ko) 2024-05-14
WO2023043885A1 (en) 2023-03-23
MX2024003298A (es) 2024-04-09

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