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GB2599315B - Method and apparatus for deblocking filtering a block of pixels - Google Patents

Method and apparatus for deblocking filtering a block of pixels Download PDF

Info

Publication number
GB2599315B
GB2599315B GB2118557.4A GB202118557A GB2599315B GB 2599315 B GB2599315 B GB 2599315B GB 202118557 A GB202118557 A GB 202118557A GB 2599315 B GB2599315 B GB 2599315B
Authority
GB
United Kingdom
Prior art keywords
pixels
block
deblocking filtering
deblocking
filtering
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
GB2118557.4A
Other versions
GB2599315A (en
Inventor
Gisquet Christophe
Laroche Guillaume
Taquet Jonathan
Onno Patrice
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 GB2118557.4A priority Critical patent/GB2599315B/en
Publication of GB2599315A publication Critical patent/GB2599315A/en
Application granted granted Critical
Publication of GB2599315B publication Critical patent/GB2599315B/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
    • H04N19/85—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
    • H04N19/117—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
    • H04N19/134—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
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB2118557.4A 2017-10-09 2017-10-09 Method and apparatus for deblocking filtering a block of pixels Active GB2599315B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2118557.4A GB2599315B (en) 2017-10-09 2017-10-09 Method and apparatus for deblocking filtering a block of pixels

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2118557.4A GB2599315B (en) 2017-10-09 2017-10-09 Method and apparatus for deblocking filtering a block of pixels
GB1716537.4A GB2567248B (en) 2017-10-09 2017-10-09 Method and apparatus for deblocking filtering a block of pixels

Publications (2)

Publication Number Publication Date
GB2599315A GB2599315A (en) 2022-03-30
GB2599315B true GB2599315B (en) 2022-06-15

Family

ID=60326960

Family Applications (3)

Application Number Title Priority Date Filing Date
GB2118557.4A Active GB2599315B (en) 2017-10-09 2017-10-09 Method and apparatus for deblocking filtering a block of pixels
GB2118556.6A Active GB2599314B (en) 2017-10-09 2017-10-09 Method and apparatus for deblocking filtering a block of pixels
GB1716537.4A Active GB2567248B (en) 2017-10-09 2017-10-09 Method and apparatus for deblocking filtering a block of pixels

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB2118556.6A Active GB2599314B (en) 2017-10-09 2017-10-09 Method and apparatus for deblocking filtering a block of pixels
GB1716537.4A Active GB2567248B (en) 2017-10-09 2017-10-09 Method and apparatus for deblocking filtering a block of pixels

Country Status (1)

Country Link
GB (3) GB2599315B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114979635B (en) 2017-10-09 2023-10-27 佳能株式会社 Method, apparatus and storage medium for filtering a sample block
GB2586517B (en) * 2019-08-23 2022-06-15 Imagination Tech Ltd Methods and decompression units for decompressing a compressed block of image data

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2775711A1 (en) * 2011-11-04 2014-09-10 LG Electronics Inc. Method and apparatus for encoding/decoding image information

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9161046B2 (en) * 2011-10-25 2015-10-13 Qualcomm Incorporated Determining quantization parameters for deblocking filtering for video coding
US9445130B2 (en) * 2013-01-09 2016-09-13 Qualcomm Incorporated Blockiness metric for large HEVC block artifacts
US20180091812A1 (en) * 2016-09-23 2018-03-29 Apple Inc. Video compression system providing selection of deblocking filters parameters based on bit-depth of video data

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2775711A1 (en) * 2011-11-04 2014-09-10 LG Electronics Inc. Method and apparatus for encoding/decoding image information

Also Published As

Publication number Publication date
GB2599314B (en) 2022-06-15
GB2599314A (en) 2022-03-30
GB2567248B (en) 2022-02-23
GB201716537D0 (en) 2017-11-22
GB2599315A (en) 2022-03-30
GB2567248A (en) 2019-04-10

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