Inventor

GUICHUN LI

Inventor

US

Overview

2021–2026

Patent span

Electricity

Primary field (CPC H)

Patents· 173 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary

H04NPictorial communication, e.g. television95%

G06TImage data processing or generation, in general2%

A63FCard, board, or roulette games1%

G06VImage or video recognition or understanding1%

G06KGraphical data reading1%

H04LTransmission of digital information, e.g. telegraphic communication1%

PatentTitleYear

12,587,635Affine merge mode with translational motion vectors2026 12,581,101Template matching refinement for affine motion2026 12,568,212Adaptive loop filtering on output(s) from offline fixed filtering2026 12,568,215Geometry partition mode and merge mode with motion vector difference signaling2026 12,563,233CTU-row based geometric transform2026 12,556,736Method and apparatus for extended decoder side motion vector refinement2026 12,556,728CABAC context model grouping2026 12,526,421CABAC context modeling with information from spatial neighbors2026 12,506,883Template matching for multiple reference line intra prediction2025 12,506,875Method and apparatus for motion vector coding2025 12,506,879Directional nearest neighbor prediction mode2025 12,483,716Weight derivation for geometric partitioning mode2025 12,477,141Method for affine motion refinement2025 12,452,430Motion vector derivation of subblock-based template-matching for subblock based motion vector predictor2025 12,445,596Block vector refinement method for intra block copy2025 12,432,378On motion compensated picture boundary padding2025 12,425,602Subblock level temporal motion vector prediction with multiple displacement vector predictors and an offset2025 12,425,641MMVD candidate refinement methods2025 12,425,574Local illumination compensation for bi-prediction2025 12,425,642Zero motion vector in adaptive reordering of merge candidates (ARMC)2025 12,425,572Local illumination compensation2025 12,418,670Template-matching based merge index reordering for geometric partition mode (GPM)2025 12,418,659Motion vector prediction fusion for subblock-based temporal motion vector prediction (SbTMVP) and temporal motion vector prediction (TMVP)2025 12,418,651CABAC inherited context initialization2025 12,413,757Template matching based partitioning pattern derivation2025 12,413,756Merge with motion vector difference2025 12,401,796Decoder-side motion vector refinement and bi-directional optical flow in subblock-based temporal motion vector prediction (SBTMVP)2025 12,401,812Method and apparatus for affine motion refinement2025 12,389,033Method and apparatus for signaling skip mode flag2025 12,388,977Affine models use in affine bilateral matching2025 12,382,082Systems and methods for subblock motion vector coding2025 12,382,077Video decoding method and apparatus, video encoding method and apparatus, device, and storage medium2025 12,382,086Methods and apparatuses for video coding2025 12,375,660Techniques for contouring/banding artifact removal in compressed image/video2025 12,368,879Method and apparatus adaptive constraint on bi-prediction for out-of-boundary conditions2025 12,355,951Component dependent intra and inter prediction signaling2025 12,356,004Intra block copy (IBC) candidate list construction with motion information of intra template-matching prediction2025 12,335,502Adaptive blending for geometric partition mode (GPM)2025 12,323,615Full-pixel based and group-based motion compensated picture boundary padding2025 12,309,407Signaling of base merge candidate index in MMVD mode2025 12,284,331Subblock-based motion vector predictor with MV offset derived by template matching2025 12,284,380Weight index inheritance2025 12,284,379Method and apparatus for video coding2025 12,250,408Deriving affine merge candidates when neighboring blocks are outside of current coding unit2025 12,244,854Signaling of block vector resolution2025 12,244,839Constraint of minimum quaternary tree size2025 12,238,294Sub-block based temporal motion vector predictor with an motion vector offset2025 12,231,647Scene transition detection based encoding methods for BCW2025 12,231,622Prediction of intrabc flip type2025 12,231,621Subblock merge mode for intra block copy2025 12,225,206Affine inter prediction refinement with optical flow2025 12,225,207Subblock intra and inter coding2025 12,219,128Mixed-model cross-component prediction mode2025 12,192,480Weight derivation of multiple reference line for intra prediction fusion2025 12,192,509Partition, motion vector (MV) derivation of template-matching, and subblock MV derivation for subblock based MV predictor2025 12,177,474Temporal based subblock type motion vector predictor2024 12,167,019Temporal motion vector predictor with displacement2024 12,160,567Affine prediction refinement with optical flow2024 12,160,564Bilateral matching with affine motion2024 12,143,589Weighted sample prediction for geometric partitioning mode2024 12,143,614Setting motion vector precision for intra prediction with motion vector difference2024 12,143,590Affine estimation in pre-analysis of encoder2024 12,137,234Video encoding and decoding methods and apparatuses, device, and storage medium2024 12,132,906CTU level inheritance of CABAC context initialization2024 12,120,346Method and apparatus for boundary filtering for intrabc and intraTMP modes2024 12,120,338Range of minimum coding block size in video coding2024 12,120,341Method for diversified merge candidate reordering2024 12,095,984Sub-block based constraint on bi-prediction for out-of-boundary conditions2024 12,096,000Method and apparatus for scene detection based encoding2024 12,088,801Method and apparatus for temporal filter in video coding2024 12,088,833Signaling of number of merge candidates2024 12,081,751Geometry partition mode and merge mode with motion vector difference signaling2024 12,081,771Methods, apparatus, and systems for affine chroma subblock motion vector derivation and motion compensation2024 12,081,788Adaptive motion vector resolution signaling2024 12,075,068Conditions for applying DMVR/BDOF2024 12,063,355Subblock based motion vector predictor displacement vector reordering using template matching2024 12,034,932Constrained template matching2024 12,034,950Video decoding method and apparatus, video encoding method and apparatus, device, and storage medium2024 12,003,748Determination of a maximum number of merge candidates in subblock based merge candidate lists2024 11,985,342Signaling of flag indicating zero motion vector difference for a control point2024 11,979,592Determining a motion vector type based on a weight index at a sample position in a coding block partitioned in geometric partitioning mode2024 11,973,937Signaling of maximum number of triangle merge candidates2024 11,968,366Video encoding method and apparatus, video decoding method and apparatus, device, and storage medium2024 11,956,456Selective updating of HMVP table based on coded inter coded block2024 11,949,896Chroma quad tree split constraint2024 11,949,902Method and apparatus for video coding2024 11,949,854Method and apparatus for video coding2024 11,949,895Method and apparatus for determining an inherited affine parameter from an affine model2024 11,949,855Method and apparatus for video coding2024 11,930,208Method and apparatus for signaling skip mode flag2024 11,930,200Method and apparatus for video coding2024 11,909,987Video coding method and device for avoiding small chroma block intra prediction2024 11,889,086Method and apparatus for video coding2024 11,876,970Non-interleaved separate tree2024 11,877,004Constraining motion vectors of groups of blocks2024 11,833,419Method and apparatus for cloud gaming2023 11,818,377Method and apparatus for video coding2023 11,805,251Shift based cross-component adaptive loop filter2023 11,800,133Method and apparatus for video coding2023 11,792,403Method and apparatus for video coding using geometric partitioning mode2023 11,778,216Signaling of cu based interpolation filter selection2023 11,758,169Block partitioning at picture boundaries2023 11,758,180Video coding based on multiple sets of subblock motion vectors2023 11,758,167Method and apparatus for video coding2023 11,750,828Inter prediction coding within a merge sharing region2023 11,736,713Constraint on affine model motion vector2023 11,736,720Motion vector refinement methods for video encoding2023 11,729,399Video coding method and device for avoiding small chroma block intra prediction2023 11,722,658Method and apparatus for video coding2023 11,722,680Coding mode signaling for small blocks2023 11,711,531Method and apparatus for video coding2023 11,700,387Affine coding with offsets2023 11,683,518Constraining sub-block motion vectors and determining adjustment values based on the constrained sub-block motion vectors2023 11,677,962Affine inter prediction refinement with optical flow2023 11,671,621Method and apparatus for video coding with motion vector constraints2023 11,671,612Method and apparatus for video coding using inter-prediction mode signaling to determine motion vectors2023 11,652,863Method and apparatus for cloud gaming2023 11,652,996Method and apparatus for video coding2023 11,632,561Signaling for non-merge inter modes2023 11,611,756Method and apparatus for video coding2023 11,611,771Method and apparatus for video coding using inter-prediction mode signaling to determine motion vectors2023 11,595,689Local weighted prediction2023 11,595,686Method and apparatus for video coding2023 11,575,917Method and apparatus for video coding2023 11,553,205Method and apparatus for video coding2023 11,533,498Geometric partitioning mode in video coding2022 11,533,509Method and apparatus for video coding2022 11,523,109Method and apparatus for improvements of affine prof2022 11,516,501Method and apparatus for video coding using a subblock-based affine motion model2022 11,509,910Video coding method and device for avoiding small chroma block intra prediction2022 11,503,327Method and apparatus for video coding2022 11,496,755Method and apparatus for video coding2022 11,470,338Method and apparatus for video coding2022 11,451,812Techniques for simplified affine motion model coding with prediction offsets2022 11,451,823Method and apparatus for video coding2022 11,445,208Method and apparatus for video coding2022 11,438,576Merge list construction in triangular prediction2022 11,431,987Method and apparatus for memory bandwidth reduction for small inter blocks2022 11,425,414Method and apparatus for video coding2022 11,418,807Temporal motion vector derivation in shared merge region at picture boundary2022 11,405,628Method and apparatus for video coding2022 11,399,195Range of minimum coding block size in video coding2022 11,394,983Method and apparatus for merge mode with additional middle candidates in video coding2022 11,394,989Method and apparatus for video coding2022 11,394,993Method and apparatus for affine inter prediction with small subblocks2022 11,381,832Method and apparatus for video coding2022 11,375,222Method and device for video encoding and decoding with interpolation filter flag being consistent with MMVD distances2022 11,375,200Video coding method and device for controlling color component processing2022 11,363,277Methods on affine inter prediction and deblocking2022 11,363,285Block partitioning at picture boundaries2022 11,350,108Affine inter prediction refinement with optical flow2022 11,343,525Method and apparatus for video coding by constraining sub-block motion vectors and determining adjustment values based on constrained sub-block motion vectors2022 11,330,287Method and apparatus for video coding2022 11,323,731Method and apparatus for video coding2022 11,317,094Method and apparatus for video coding using geometric partitioning mode2022 11,284,101Method and apparatus for video coding2022 11,272,203Method and apparatus for video coding2022 11,259,016Method and apparatus for video coding2022 11,240,516Coding mode signaling for small blocks2022 11,234,007Method and apparatus for video coding2022 11,223,840Method and apparatus for video coding2022 11,218,718Adaptive motion vector resolution signaling2022 11,206,416Method and apparatus for video coding2021 11,202,089Method and apparatus for determining an inherited affine parameter from an affine model2021 11,197,017Methods and apparatuses for video coding2021 11,190,789Method and apparatus for video coding using inter-prediction mode signaling to dertermine motion vectors2021 11,190,809Mode dependent intra smoothing filter table mapping methods for non-square prediction units2021 11,184,635Method and apparatus for video coding with motion vector constraints2021 11,178,415Signaling of CU based interpolation filter selection2021 11,166,015Method and apparatus for video coding2021 11,159,792Shift based cross-component adaptive loop filter2021 11,153,598Method and apparatus for video coding using a subblock-based affine motion model2021 11,146,813Method and apparatus for video coding2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2026Patents assigned to Tencent America LLC (167)· patent assignee history

2021Patents assigned to FUTUREWEI TECHNOLOGIES INC (1)· patent assignee history

2021–2026Based in US· patent location history

2024–2025Patents assigned to TENCENT TECH SHENZHEN CO LTD (4)· patent assignee history

2024Based in CN· patent location history

2025Patents assigned to APPLE INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
Tencent America LLC	167	2021–2026
TENCENT TECH SHENZHEN CO LTD	4	2024–2025
APPLE INC	1	2025
FUTUREWEI TECHNOLOGIES INC	1	2021

Locations

Location	Patents	Span
US	171	2021–2026
CN	2	2024