Inventor

XU JIZHENG

US475 patents

⚠️ This page may combine multiple inventors who share the name “XU JIZHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

XU JIZHENG

BEIJING BYTEDANCE NETWORK TECH CO LTD

Construction of merge with motion vector difference candidates

Simplified parameter derivation for intra prediction

Parameter derivation for intra prediction

Restricted upsampling process in matrix-based intra prediction

Matrix-based intra prediction using upsampling

Syntax signaling and parsing based on colour component

Buffer initialization for intra block copy in video coding

Data storage in buffers for intra block copy in video coding

Calculation in matrix-based intra prediction

Buffer management in subpicture decoding

Context coding for matrix-based intra prediction

Slice level signaling in video bitstreams that include subpictures

Position restriction for inter coding mode

Bitstream conformance constraints for intra block copy in video coding

Simplification of combined inter-intra prediction

Chroma coding mode determination based on matrix-based intra prediction

Interaction between matrix-based intra prediction and other coding tools

Calculation in matrix-based intra prediction

Restricted upsampling process in matrix-based intra prediction

Techniques for using a decoder side motion vector refinement tool

Most probable mode list construction for matrix-based intra prediction

Buffer management for intra block copy in video coding

Using combined inter intra prediction in video processing

Bandwidth control methods for inter prediction

Size selective application of decoder side refining tools

Coordination method for sub-block based inter prediction

Context-based intra prediction

Position based intra prediction

MICROSOFT TECHNOLOGY LICENSING LLC

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

Intra-picture prediction using non-adjacent reference lines of sample values

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

Block vector prediction in video and image coding/decoding

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

Block vector prediction in video and image coding/decoding

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

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

Encoding/decoding with flags to indicate switching of color spaces, color sampling rates and/or bit depths

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

Coded-block-flag coding and derivation

Adjustments to encoding and decoding when switching color spaces

Robust encoding/decoding of escape-coded pixels in palette mode

Hash table construction and availability checking for hash-based block matching

Adjusting quantization/scaling and inverse quantization/scaling when switching color spaces

Flexible reference picture management for video encoding and decoding

Representative motion information for temporal motion prediction in video encoding and decoding

Block flipping and skip mode in intra block copy prediction

Hash-based block matching in video and image coding

Coded-block-flag coding and derivation

MICROSOFT CORP

Enhancement layer switching for scalable video coding

Video coding system and method using 3-D discrete wavelet transform and entropy coding with motion information