GB2595195B - Method and apparatus for encoding or decoding video data with sub-pixel motion vector refinement - Google Patents

Method and apparatus for encoding or decoding video data with sub-pixel motion vector refinement Download PDF

Info

Publication number
GB2595195B
GB2595195B GB2112231.2A GB202112231A GB2595195B GB 2595195 B GB2595195 B GB 2595195B GB 202112231 A GB202112231 A GB 202112231A GB 2595195 B GB2595195 B GB 2595195B
Authority
GB
United Kingdom
Prior art keywords
encoding
sub
video data
motion vector
decoding 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.)
Active
Application number
GB2112231.2A
Other versions
GB202112231D0 (en
GB2595195A (en
Inventor
Laroche Guillaume
Onno Patrice
Taquet Jonathan
Gisquet Christophe
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
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 Canon Inc filed Critical Canon Inc
Priority to GB2112231.2A priority Critical patent/GB2595195B/en
Priority claimed from GB2101309.9A external-priority patent/GB2588563B/en
Publication of GB202112231D0 publication Critical patent/GB202112231D0/en
Publication of GB2595195A publication Critical patent/GB2595195A/en
Application granted granted Critical
Publication of GB2595195B publication Critical patent/GB2595195B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding 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
    • H04N19/10—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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • 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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/50—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
    • H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting motion vectors
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/533—Motion estimation using multistep search, e.g. 2D-log search or one-at-a-time search [OTS]
    • 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
    • H04N19/567—Motion estimation based on rate distortion criteria
    • 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
    • H04N19/57—Motion estimation characterised by a search window with variable size or shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB2112231.2A 2017-07-04 2017-07-04 Method and apparatus for encoding or decoding video data with sub-pixel motion vector refinement Active GB2595195B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2112231.2A GB2595195B (en) 2017-07-04 2017-07-04 Method and apparatus for encoding or decoding video data with sub-pixel motion vector refinement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2112231.2A GB2595195B (en) 2017-07-04 2017-07-04 Method and apparatus for encoding or decoding video data with sub-pixel motion vector refinement
GB2101309.9A GB2588563B (en) 2017-07-04 2017-07-04 Method and apparatus for encoding or decoding video data with sub-pixel motion vector refinement

Publications (3)

Publication Number Publication Date
GB202112231D0 GB202112231D0 (en) 2021-10-13
GB2595195A GB2595195A (en) 2021-11-17
GB2595195B true GB2595195B (en) 2022-04-20

Family

ID=77999772

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2112231.2A Active GB2595195B (en) 2017-07-04 2017-07-04 Method and apparatus for encoding or decoding video data with sub-pixel motion vector refinement

Country Status (1)

Country Link
GB (1) GB2595195B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3343925A1 (en) * 2017-01-03 2018-07-04 Thomson Licensing Method and apparatus for encoding and decoding motion information

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3343925A1 (en) * 2017-01-03 2018-07-04 Thomson Licensing Method and apparatus for encoding and decoding motion information

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JIANLE CHEN , ELENA ALSHINA , GARY J SULLIVAN , JENS-RAINER OHM , JILL BOYCE: "Algorithm description of Joint Exploration Test Model 6 (JEM6)", 118. MPEG MEETING; 20170403 - 20170407; HOBART; (MOTION PICTURE EXPERT GROUP OR ISO/IEC JTC1/SC29/WG11), no. JVET-F1001-v3, 1 July 2017 (2017-07-01), pages 1 - 48, XP030023551 *

Also Published As

Publication number Publication date
GB202112231D0 (en) 2021-10-13
GB2595195A (en) 2021-11-17

Similar Documents

Publication Publication Date Title
SG11201913535UA (en) Picture data encoding method and apparatus and picture data decoding method and apparatus
EP3525468A4 (en) Image data encoding/decoding method and apparatus
EP3565245A4 (en) Video decoding method and apparatus and video encoding method and apparatus
GB2564133B (en) Method and apparatus for encoding or decoding video data with sub-pixel motion vector refinement
EP3414900A4 (en) Method and apparatus of video coding with affine motion compensation
EP3414905A4 (en) Method and apparatus of video coding with affine motion compensation
IL257496B (en) Method and apparatus of motion compensation for video coding based on bi prediction optical flow techniques
GB2561507B (en) Method and apparatus for affine merge mode prediction for video coding system
EP3285488A4 (en) Video decoding data storage method and motion vector data computation method
SG11202013232QA (en) Method and apparatus for encoding/decoding image
SG11202001199QA (en) Video image encoding and decoding method, apparatus, and device
GB201501514D0 (en) Method and apparatus for vector encoding in video coding and decoding
EP3090553A4 (en) Block vector prediction in video and image coding/decoding
EP3457697A4 (en) Method and apparatus for encoding and decoding video image
GB201417634D0 (en) Method and apparatus for vector encoding in video coding and decoding
SG11201706698YA (en) Video image encoding method, video image decoding method, encoding device, and decoding device
SG11202102569QA (en) Apparatus and method for conditional decoder-side motion vector refinement in video coding
IL275034A (en) Method and apparatus for video encoding and decoding based on block shape
GB201710825D0 (en) Image data encoding and decoding
EP3709640A4 (en) Apparatus and method for encoding image on basis of motion vector resolution, and decoding apparatus and method
IL273437A (en) Method and apparatus for video decoding, and method and apparatus for video encoding
GB201812556D0 (en) Image data encoding and decoding
GB2572770B (en) Method and apparatus for encoding or decoding video data with frame portions
GB201609015D0 (en) Image data encoding and decoding
GB201710539D0 (en) Method and apparatus for encoding or decoding a flag during video data encoding