Title:
METHOD OF COLOR INDEX CODING WITH PALETTE STUFFING
Document Type and Number:
WIPO Patent Application WO/2015/135484
Kind Code:
A1
Abstract:
A method of coding a block of video data using palette coding is disclosed. According to the present invention, when a previous block is available, the system receives first information related to a previous palette set corresponding to previous palettes/triplet palette, and second information related to a previous palette predictor set corresponding to previous palette predictors/triplet-palette predictors associated with the previous block. The system then derives a current palette predictor set corresponding to current palette predictors/triplet-palette predictor associated with the current block based on the previous palette set and the previous palette predictor set by including at least one unused color or triplet of the previous palette predictor set in the current palette predictor set. A current palette set corresponding to current palettes/triplet-palette associated with the current block is derived from the current palette predictor set for palette encoding or decoding.
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Inventors:
SUN YU-CHEN (CN)
CHUANG TZU-DER (CN)
CHEN YI-WEN (CN)
HUANG YU-WEN (CN)
CHUANG TZU-DER (CN)
CHEN YI-WEN (CN)
HUANG YU-WEN (CN)
Application Number:
PCT/CN2015/074088
Publication Date:
September 17, 2015
Filing Date:
March 12, 2015
Export Citation:
Assignee:
MEDIATEK INC (CN)
International Classes:
H04N19/90
Foreign References:
| US20030169932A1 | 2003-09-11 | |||
| CN101141637A | 2008-03-12 | |||
| US20110110416A1 | 2011-05-12 | |||
| CN1925612A | 2007-03-07 |
Other References:
SUN, YU-CHEN ET AL.: "SCCE3 Test A.2: Palette coding and palette predictor updates", JOINT COLLABORATIVE TEAM ON VIDEO CODING (JCT-VC) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, 9 July 2014 (2014-07-09), pages 1 - 3, XP030116383
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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