GB2528431B - Improved encoding process using a palette mode - Google Patents

Improved encoding process using a palette mode Download PDF

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Publication number
GB2528431B
GB2528431B GB1409081.5A GB201409081A GB2528431B GB 2528431 B GB2528431 B GB 2528431B GB 201409081 A GB201409081 A GB 201409081A GB 2528431 B GB2528431 B GB 2528431B
Authority
GB
United Kingdom
Prior art keywords
encoding process
palette mode
improved encoding
improved
palette
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
GB1409081.5A
Other versions
GB201409081D0 (en
GB2528431A (en
Inventor
Gisquet Christophe
Onno Patrice
Laroche Guillaume
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 GB1409081.5A priority Critical patent/GB2528431B/en
Publication of GB201409081D0 publication Critical patent/GB201409081D0/en
Priority to PCT/EP2014/078606 priority patent/WO2015091879A2/en
Priority to US15/105,521 priority patent/US10972742B2/en
Publication of GB2528431A publication Critical patent/GB2528431A/en
Application granted granted Critical
Publication of GB2528431B publication Critical patent/GB2528431B/en
Active 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image 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
    • H04N19/134—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
    • H04N19/182—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 pixel
    • 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
    • H04N19/60—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB1409081.5A 2013-12-19 2014-05-21 Improved encoding process using a palette mode Active GB2528431B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1409081.5A GB2528431B (en) 2014-05-21 2014-05-21 Improved encoding process using a palette mode
PCT/EP2014/078606 WO2015091879A2 (en) 2013-12-19 2014-12-18 Improved encoding process using a palette mode
US15/105,521 US10972742B2 (en) 2013-12-19 2014-12-18 Encoding process using a palette mode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1409081.5A GB2528431B (en) 2014-05-21 2014-05-21 Improved encoding process using a palette mode

Publications (3)

Publication Number Publication Date
GB201409081D0 GB201409081D0 (en) 2014-07-02
GB2528431A GB2528431A (en) 2016-01-27
GB2528431B true GB2528431B (en) 2020-11-18

Family

ID=51135262

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1409081.5A Active GB2528431B (en) 2013-12-19 2014-05-21 Improved encoding process using a palette mode

Country Status (1)

Country Link
GB (1) GB2528431B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102422484B1 (en) * 2015-01-29 2022-07-20 주식회사 케이티 Method and apparatus for processing a video signal
CN110024383B (en) * 2016-09-23 2024-03-08 弗劳恩霍夫应用研究促进协会 Image compression technique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001035656A1 (en) * 1999-11-08 2001-05-17 Corporate Media Partners Doing Business As Americast System and method for color palette translation
WO2015091879A2 (en) * 2013-12-19 2015-06-25 Canon Kabushiki Kaisha Improved encoding process using a palette mode
GB2523076A (en) * 2013-12-19 2015-08-19 Canon Kk Improved palette mode in HEVC for the encoding process

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001035656A1 (en) * 1999-11-08 2001-05-17 Corporate Media Partners Doing Business As Americast System and method for color palette translation
WO2015091879A2 (en) * 2013-12-19 2015-06-25 Canon Kabushiki Kaisha Improved encoding process using a palette mode
GB2523076A (en) * 2013-12-19 2015-08-19 Canon Kk Improved palette mode in HEVC for the encoding process

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
(JCTVC-Q0047) Pu et al. 'AHG10: Simplification of Palette Based Coding', March 2014. *
Xiu X. et al., "Palette-based Coding in the Screen Content Coding Extension of the HEVC Standard", 7-9 April 2015, 2015 Data Compression Conference (DCC), pages 253-262 *

Also Published As

Publication number Publication date
GB201409081D0 (en) 2014-07-02
GB2528431A (en) 2016-01-27

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