US 12,143,606 B2
Methods and apparatus for improved intra chroma encoding and decoding
Qian Xu, Folsom, CA (US); Yunfei Zheng, San Jose, CA (US); Xiaoan Lu, Princeton, NJ (US); Peng Yin, Ithaca, NY (US); and Joel Sole, San Diego, CA (US)
Assigned to INTERDIGITAL VC HOLDINGS, INC., Wilmington, DE (US)
Filed by INTERDIGITAL VC HOLDINGS, INC., Wilmington, DE (US)
Filed on Jun. 17, 2020, as Appl. No. 16/903,819.
Application 16/903,819 is a continuation of application No. 13/389,872, granted, now 11,044,483, previously published as PCT/US2010/002203, filed on Aug. 11, 2010.
Claims priority of provisional application 61/233,310, filed on Aug. 12, 2009.
Prior Publication US 2020/0382798 A1, Dec. 3, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 19/00 (2014.01); H04N 7/00 (2011.01); H04N 19/11 (2014.01); H04N 19/147 (2014.01); H04N 19/176 (2014.01); H04N 19/186 (2014.01); H04N 19/196 (2014.01); H04N 19/46 (2014.01); H04N 19/463 (2014.01); H04N 19/70 (2014.01)
CPC H04N 19/186 (2014.11) [H04N 7/00 (2013.01); H04N 19/11 (2014.11); H04N 19/147 (2014.11); H04N 19/176 (2014.11); H04N 19/196 (2014.11); H04N 19/46 (2014.11); H04N 19/463 (2014.11); H04N 19/70 (2014.11)] 20 Claims
OG exemplary drawing
 
1. A video encoding apparatus, comprising:
a memory and a processor, configured for:
encoding picture data for at least a block in a picture, by performing intra prediction with multiple partition types for chroma encoding of the block, the multiple partition types comprising a set of multiple chroma partition types of sizes 16×16, 8×8, 4×4 and a set of multiple luma partition types, the set of multiple chroma partition types being different than the set of multiple a partition types, and
determining a particular chroma part type using a single chroma intra prediction mode that is different than a luma intra prediction mode, for encoding a partitioned block from the set of multiple chroma partition types in response to a luma partition type utilized to encode the block, the luma partition type being included in the set of multiple luma partition types and only luma partition type is signaled, not the chroma partition type,
said encoding comprising: setting a luma partition,
setting a chroma partition from the set of multiple chroma partition types; and,
setting a luma prediction mode, setting a chroma prediction mode, wherein chroma and luma have different modes; and encoding the block.