Non-separable secondary transform for video coding

X Zhao, J Chen, A Said, M Karczewicz… - US Patent …, 2019 - Google Patents
Techniques are described in which a decoder is configured to inverse quantize a first
coefficient block and apply a first inverse transform to at least part of the inverse quantized …

Neighbor based signaling of intra prediction modes

V Seregin, X Zhao, A Said, M Karczewicz… - US Patent …, 2020 - Google Patents
(57) ABSTRACT A device for coding video data is configured to determine that a current
block of video data is coded using an intra prediction mode; add an intra prediction mode of …

Primary transform and secondary transform in video coding

CT Hsieh, V Seregin, X Zhao, A Said… - US Patent …, 2021 - Google Patents
A video coding device (eg, a video encoder or a video decoder) is configured to perform
various transformations on video data. The video coding device applies a primary transform …

General block partitioning method

S Hong, K Panusopone, L Wang, Y Yu - US Patent 10,326,989, 2019 - Google Patents
A method of partitioning in video coding for JVET, comprising representing a JVET coding
tree unit as a root node in a quadtree plus binary tree (QTBT) structure that can have …

Constrained block-level optimization and signaling for video coding tools

X Zhao, V Seregin, RL Joshi, A Said, X Li… - US Patent …, 2020 - Google Patents
An example device for decoding encoded video data includes storage media and
processing circuitry. The storage media are configured a portion of the encoded video data …

Variable number of intra modes for video coding

V Seregin, N Hu, WJ Chien, M Karczewicz… - US Patent …, 2019 - Google Patents
A video coder determines a first block of the video data is intra mode coded; based on a first
height and the first width of the first block, identifies a group of N available intra prediction …

Weighted angular prediction coding for intra coding

Y Yu, L Wang, K Panusopone - US Patent 10,645,395, 2020 - Google Patents
A method of decoding JVET video that includes receiving a bitstream indicating how a
coding tree unit was partitioned into coding units, and parsing said bitstream to generate at …

Weighted angular prediction for intra coding

K Panusopone, K Minoo, Y Yu, L Wang - US Patent 10,523,949, 2019 - Google Patents
(57) ABSTRACT A method of decoding JVE T video, comprising receiving a bitstream
indicating how a coding tree unit was partitioned into coding units according to a partitioning …

Adaptive unequal weight planar prediction

K Panusopone, Y Yu, S Hong, L Wang - US Patent 10,277,895, 2019 - Google Patents
ABSTRACT A method of decoding JVET video includes receiving a bitstream that includes
encoded video data that includes encoded video data. From the encoded data, a horizontal …

Transform selection for video coding

X Zhao, L Zhang, J Chen, V Seregin, X Li… - US Patent …, 2020 - Google Patents
(57) ABSTRACT A device for video coding is configured to determine a characteristic of a
predictive block of a current block of a current picture; identify a transform for decoding the …