Coding video data using derived chroma mode

L Zhang, WJ Chien, X Zhao, M Karczewicz - US Patent 11,025,903, 2021 - Google Patents
An example device for decoding video data includes a memory for storing video data, and
one or more processors implemented in circuitry and configured to construct an intra …

Rules for intra-picture prediction modes when wavefront parallel processing is enabled

B Li, J Xu - US Patent 10,812,817, 2020 - Google Patents
Various innovations facilitate the use of intra-picture prediction modes such as palette
prediction mode, intra block copy mode, intra line copy mode and intra string copy mode by …

Features of intra block copy prediction mode for video and image coding and decoding

B Li, J Xu, GJ Sullivan - US Patent 10,582,213, 2020 - Google Patents
Innovations in intra block copy (" BC”) prediction mode facilitate intra BC prediction that is
more effective in terms of rate-distortion performance and/or computational effi ciency of …

Unified intra block copy and inter prediction modes

B Li, JZ Xu - US Patent 10,785,486, 2020 - Google Patents
Innovations in unified intra block copy (“BC”) and inter prediction modes are presented. In
some example implementations, bitstream syntax, semantics of syntax elements and many …

Special case handling for merged chroma blocks in intra block copy prediction mode

B Li, J Xu - US Patent 9,591,325, 2017 - Google Patents
Innovations in intra block copy (“BC) prediction facilitate handling of special cases when
chroma blocks are merged for purposes of the intra BC prediction. For example, encoding …

Block vector prediction in video and image coding/decoding

L Zhu, GJ Sullivan, J Xu, S Sankuratri… - US Patent …, 2019 - Google Patents
Innovations in the area of prediction of block vector (“BV”) values improve encoding or
decoding of blocks using intra block copy (“BC”) prediction. For example, some of the …

Encoder-side options for intra block copy prediction mode for video and image coding

B Li, J Xu - US Patent 11,109,036, 2021 - Google Patents
Innovations in encoder-side options for intra block copy (“BC”) prediction mode facilitate
intra BC prediction that is more effective in terms of rate-distortion performance and/or …

Constraints on locations of reference blocks for intra block copy prediction

Y Zhou, CL Lin, MC Lee - US Patent 10,986,349, 2021 - Google Patents
When encoding/decoding a current block of a current picture using intra block copy (“BC”)
prediction, the location of a reference block is constrained so that it can be entirely within an …

Block flipping and skip mode in intra block copy prediction

B Li, J Xu, F Wu - US Patent 10,368,091, 2019 - Google Patents
Innovations in the area of encoding or decoding of blocks using intra block copy (“BC”)
prediction improve coding efficiency for intra-BC-predicted blocks in many situations. For …

Color residual prediction for video coding

W Kim, W Pu, J Chen, JS Rojals, GUO Liwei… - US Patent …, 2019 - Google Patents
A method of decoding video data includes decoding a first block of video data to produce a
block of reconstructed luma residual values and a block of predicted chroma residual …