GB2575119B - Methods and devices for performing sample adaptive offset (SAO) filtering - Google Patents

Methods and devices for performing sample adaptive offset (SAO) filtering Download PDF

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Publication number
GB2575119B
GB2575119B GB1810787.0A GB201810787A GB2575119B GB 2575119 B GB2575119 B GB 2575119B GB 201810787 A GB201810787 A GB 201810787A GB 2575119 B GB2575119 B GB 2575119B
Authority
GB
United Kingdom
Prior art keywords
sao
filtering
methods
devices
adaptive offset
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.)
Expired - Fee Related
Application number
GB1810787.0A
Other versions
GB201810787D0 (en
GB2575119A (en
Inventor
Laroche Guillaume
Taquet Jonathan
Gisquet Christophe
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 GB1810787.0A priority Critical patent/GB2575119B/en
Publication of GB201810787D0 publication Critical patent/GB201810787D0/en
Priority to TW108116392A priority patent/TW202002656A/en
Priority to PCT/EP2019/066320 priority patent/WO2020002117A2/en
Publication of GB2575119A publication Critical patent/GB2575119A/en
Application granted granted Critical
Publication of GB2575119B publication Critical patent/GB2575119B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/161—Encoding, multiplexing or demultiplexing different image signal components
    • 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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
GB1810787.0A 2018-06-29 2018-06-29 Methods and devices for performing sample adaptive offset (SAO) filtering Expired - Fee Related GB2575119B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1810787.0A GB2575119B (en) 2018-06-29 2018-06-29 Methods and devices for performing sample adaptive offset (SAO) filtering
TW108116392A TW202002656A (en) 2018-06-29 2019-05-13 Methods and devices for performing sample adaptive offset (SAO) filtering
PCT/EP2019/066320 WO2020002117A2 (en) 2018-06-29 2019-06-20 Methods and devices for performing sample adaptive offset (sao) filtering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1810787.0A GB2575119B (en) 2018-06-29 2018-06-29 Methods and devices for performing sample adaptive offset (SAO) filtering

Publications (3)

Publication Number Publication Date
GB201810787D0 GB201810787D0 (en) 2018-08-15
GB2575119A GB2575119A (en) 2020-01-01
GB2575119B true GB2575119B (en) 2021-11-24

Family

ID=63143568

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1810787.0A Expired - Fee Related GB2575119B (en) 2018-06-29 2018-06-29 Methods and devices for performing sample adaptive offset (SAO) filtering

Country Status (3)

Country Link
GB (1) GB2575119B (en)
TW (1) TW202002656A (en)
WO (1) WO2020002117A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3959878A4 (en) * 2020-06-03 2022-07-27 Beijing Dajia Internet Information Technology Co., Ltd. Chroma coding enhancement in cross-component correlation
CN111866507A (en) * 2020-06-07 2020-10-30 咪咕文化科技有限公司 Image filtering method, device, equipment and storage medium
CN114760481B (en) * 2022-04-29 2023-05-30 北京淳中科技股份有限公司 Video coding method, device, equipment and storage medium

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130084054A (en) * 2012-01-16 2013-07-24 주식회사 케이티 Sample adaptive offset (sao) edge offset
KR20130084053A (en) * 2012-01-16 2013-07-24 주식회사 케이티 Sample adaptive offset(sao) edge offset prediction simplification
US20140119430A1 (en) * 2012-06-27 2014-05-01 Panasonic Corporation Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
GB2512827A (en) * 2013-04-05 2014-10-15 Canon Kk Method and device for classifying samples of an image
US20150110179A1 (en) * 2012-01-17 2015-04-23 Infobridge Pte. Ltd. Method of applying edge offset
US20160127747A1 (en) * 2013-07-15 2016-05-05 Mediatek Inc. Method of Sample Adaptive Offset Processing for Video Coding

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2777265A1 (en) * 2011-11-07 2014-09-17 Telefonaktiebolaget LM Ericsson (Publ) Improved sample adaptive offset compensation of video data

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130084054A (en) * 2012-01-16 2013-07-24 주식회사 케이티 Sample adaptive offset (sao) edge offset
KR20130084053A (en) * 2012-01-16 2013-07-24 주식회사 케이티 Sample adaptive offset(sao) edge offset prediction simplification
US20150110179A1 (en) * 2012-01-17 2015-04-23 Infobridge Pte. Ltd. Method of applying edge offset
US20140119430A1 (en) * 2012-06-27 2014-05-01 Panasonic Corporation Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
GB2512827A (en) * 2013-04-05 2014-10-15 Canon Kk Method and device for classifying samples of an image
US20160127747A1 (en) * 2013-07-15 2016-05-05 Mediatek Inc. Method of Sample Adaptive Offset Processing for Video Coding

Also Published As

Publication number Publication date
GB201810787D0 (en) 2018-08-15
TW202002656A (en) 2020-01-01
GB2575119A (en) 2020-01-01
WO2020002117A2 (en) 2020-01-02
WO2020002117A3 (en) 2020-02-06

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 20220629