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 …
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 …
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 …
A device for coding video data is configured to: determine a coding unit of a picture of the video data is coded using an intra block copy mode; determine a vector for a first chroma …
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 …
X Xiu, Y Ye, Y He - US Patent 10,306,240, 2019 - Google Patents
A video block of a current picture may be coded in an intra block copy (IBC) mode. Weighted prediction may be disabled for the IBC-coded screen content video block. Fractional block …
Techniques coding video data, including a mode for intra prediction of blocks of video data from predictive blocks of video data within the same picture, may include determining a …
P Hanhart, Y He, Y Ye - US Patent App. 16/603,991, 2020 - Google Patents
A coding device (eg, that may be or may include encoder and/or decoder) may receive a frame-packed picture of 380-degree video. The coding device may identify a face in the …
X Xiu, Y Ye, Y He - US Patent 11,006,130, 2021 - Google Patents
A video block of a current picture may be coded in an intra block copy (IBC) mode. Weighted prediction may be disabled for the IBC-coded screen content video block. Fractional block …