EP4122198A4 - Method and apparatus for video encoding and decoding - Google Patents

Method and apparatus for video encoding and decoding Download PDF

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Publication number
EP4122198A4
EP4122198A4 EP21772159.6A EP21772159A EP4122198A4 EP 4122198 A4 EP4122198 A4 EP 4122198A4 EP 21772159 A EP21772159 A EP 21772159A EP 4122198 A4 EP4122198 A4 EP 4122198A4
Authority
EP
European Patent Office
Prior art keywords
decoding
video encoding
encoding
video
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
EP21772159.6A
Other languages
German (de)
French (fr)
Other versions
EP4122198A1 (en
Inventor
Chuan Zhou
Zhuoyi LV
Xiao OUYANG
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics 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
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP4122198A1 publication Critical patent/EP4122198A1/en
Publication of EP4122198A4 publication Critical patent/EP4122198A4/en
Pending legal-status Critical Current

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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
    • H04N19/117—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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/103—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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/90—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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
EP21772159.6A 2020-03-17 2021-03-16 Method and apparatus for video encoding and decoding Pending EP4122198A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010188807.8A CN113411584A (en) 2020-03-17 2020-03-17 Video coding and decoding method and device
PCT/KR2021/003211 WO2021187855A1 (en) 2020-03-17 2021-03-16 Method and apparatus for video encoding and decoding

Publications (2)

Publication Number Publication Date
EP4122198A1 EP4122198A1 (en) 2023-01-25
EP4122198A4 true EP4122198A4 (en) 2024-04-24

Family

ID=77677197

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21772159.6A Pending EP4122198A4 (en) 2020-03-17 2021-03-16 Method and apparatus for video encoding and decoding

Country Status (4)

Country Link
EP (1) EP4122198A4 (en)
KR (1) KR102585236B1 (en)
CN (1) CN113411584A (en)
WO (1) WO2021187855A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109889853A (en) * 2019-02-26 2019-06-14 北京大学深圳研究生院 A kind of block-eliminating effect filtering method, system, equipment and computer-readable medium
EP4277267A1 (en) * 2021-02-23 2023-11-15 Hangzhou Hikvision Digital Technology Co., Ltd. Coding and decoding method and apparatus, and devices therefor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101310536B (en) * 2005-09-27 2010-06-02 高通股份有限公司 Video encoding method enabling highly efficient partial decoding of H.264 and other transform coded information
US8879635B2 (en) * 2005-09-27 2014-11-04 Qualcomm Incorporated Methods and device for data alignment with time domain boundary
WO2012150849A2 (en) * 2011-05-04 2012-11-08 한국전자통신연구원 Video encoding/decoding method using error resilient loop filter, and signaling method thereof
TWI577191B (en) * 2011-11-03 2017-04-01 太陽專利信託 Filtering of blocks coded in the pulse code modulation mode
US9538200B2 (en) * 2012-01-19 2017-01-03 Qualcomm Incorporated Signaling of deblocking filter parameters in video coding
WO2015054811A1 (en) * 2013-10-14 2015-04-23 Microsoft Corporation Features of intra block copy prediction mode for video and image coding and decoding
CN107925769B (en) * 2015-09-08 2020-11-27 联发科技股份有限公司 Method for managing a buffer of decoded pictures and video encoder or video decoder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109889853A (en) * 2019-02-26 2019-06-14 北京大学深圳研究生院 A kind of block-eliminating effect filtering method, system, equipment and computer-readable medium
EP4277267A1 (en) * 2021-02-23 2023-11-15 Hangzhou Hikvision Digital Technology Co., Ltd. Coding and decoding method and apparatus, and devices therefor

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
RONGGANG WANG ET AL: "Loop Filtering for Internet Video Coding", no. m29132, 22 April 2013 (2013-04-22), XP030057663, Retrieved from the Internet <URL:http://phenix.int-evry.fr/mpeg/doc_end_user/documents/104_Incheon/wg11/m29132-v2-m29132_r1.zip m29132.doc> [retrieved on 20130422] *
See also references of WO2021187855A1 *
XIE XI XIXIE@PKU EDU CN ET AL: "Improvement of Deblocking Filter for AVS3", PROCEEDINGS OF THE 2020 4TH INTERNATIONAL CONFERENCE ON DIGITAL SIGNAL PROCESSING, ACMPUB27, NEW YORK, NY, USA, 19 June 2020 (2020-06-19), pages 326 - 330, XP058473048, ISBN: 978-1-4503-7687-7, DOI: 10.1145/3408127.3408141 *

Also Published As

Publication number Publication date
WO2021187855A1 (en) 2021-09-23
KR20220124287A (en) 2022-09-13
CN113411584A (en) 2021-09-17
EP4122198A1 (en) 2023-01-25
KR102585236B1 (en) 2023-10-05

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