Guichun Li

Person

Milpitas, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus adaptive constraint on bi-prediction for out-o...
- Patent number 12,368,879
- Issue date Jul 22, 2025
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Intra block copy (IBC) candidate list construction with motion info...
- Patent number 12,356,004
- Issue date Jul 8, 2025
- Tencent America LLC
- Lien-Fei Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Component dependent intra and inter prediction signaling
- Patent number 12,355,951
- Issue date Jul 8, 2025
- Tencent America LLC
- Xin Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive blending for geometric partition mode (GPM)
- Patent number 12,335,502
- Issue date Jun 17, 2025
- Tencent America LLC
- Lien-Fei Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Full-pixel based and group-based motion compensated picture boundar...
- Patent number 12,323,615
- Issue date Jun 3, 2025
- Tencent America LLC
- Lien-Fei Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signaling of base merge candidate index in MMVD mode
- Patent number 12,309,407
- Issue date May 20, 2025
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Weight index inheritance
- Patent number 12,284,380
- Issue date Apr 22, 2025
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for video coding
- Patent number 12,284,379
- Issue date Apr 22, 2025
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Subblock-based motion vector predictor with MV offset derived by te...
- Patent number 12,284,331
- Issue date Apr 22, 2025
- Tencent America LLC
- Xin Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Deriving affine merge candidates when neighboring blocks are outsid...
- Patent number 12,250,408
- Issue date Mar 11, 2025
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Constraint of minimum quaternary tree size
- Patent number 12,244,839
- Issue date Mar 4, 2025
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signaling of block vector resolution
- Patent number 12,244,854
- Issue date Mar 4, 2025
- Tencent America LLC
- Xiaozhong Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sub-block based temporal motion vector predictor with an motion vec...
- Patent number 12,238,294
- Issue date Feb 25, 2025
- Tencent America LLC
- Lien-Fei Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scene transition detection based encoding methods for BCW
- Patent number 12,231,647
- Issue date Feb 18, 2025
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Subblock merge mode for intra block copy
- Patent number 12,231,621
- Issue date Feb 18, 2025
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Prediction of intrabc flip type
- Patent number 12,231,622
- Issue date Feb 18, 2025
- Tencent America LLC
- Xin Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Affine inter prediction refinement with optical flow
- Patent number 12,225,206
- Issue date Feb 11, 2025
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Subblock intra and inter coding
- Patent number 12,225,207
- Issue date Feb 11, 2025
- Tencent America LLC
- Xin Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mixed-model cross-component prediction mode
- Patent number 12,219,128
- Issue date Feb 4, 2025
- Tencent America LLC
- Xin Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Partition, motion vector (MV) derivation of template-matching, and...
- Patent number 12,192,509
- Issue date Jan 7, 2025
- Tencent America LLC
- Lien-Fei Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Weight derivation of multiple reference line for intra prediction f...
- Patent number 12,192,480
- Issue date Jan 7, 2025
- Tencent America LLC
- Lien-Fei Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Temporal based subblock type motion vector predictor
- Patent number 12,177,474
- Issue date Dec 24, 2024
- Tencent America LLC
- Lien-Fei Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Temporal motion vector predictor with displacement
- Patent number 12,167,019
- Issue date Dec 10, 2024
- Tencent America LLC
- Xin Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Affine prediction refinement with optical flow
- Patent number 12,160,567
- Issue date Dec 3, 2024
- Tencent America LLC
- Xiang Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bilateral matching with affine motion
- Patent number 12,160,564
- Issue date Dec 3, 2024
- Tencent America LLC
- Xiang Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Affine estimation in pre-analysis of encoder
- Patent number 12,143,590
- Issue date Nov 12, 2024
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Setting motion vector precision for intra prediction with motion ve...
- Patent number 12,143,614
- Issue date Nov 12, 2024
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Weighted sample prediction for geometric partitioning mode
- Patent number 12,143,589
- Issue date Nov 12, 2024
- Tencent America LLC
- Lien-Fei Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
CTU level inheritance of CABAC context initialization
- Patent number 12,132,906
- Issue date Oct 29, 2024
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for boundary filtering for intrabc and intraTM...
- Patent number 12,120,346
- Issue date Oct 15, 2024
- Tencent America LLC
- Xin Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
WEIGHT INDEX INHERITANCE
- Publication number 20250240447
- Publication date Jul 24, 2025
- Tencent America LLC
- Guichun LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PREDICTION OF INTRABC FLIP TYPE
- Publication number 20250193374
- Publication date Jun 12, 2025
- Tencent America LLC
- Xin ZHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUBBLOCK MERGE MODE FOR INTRA BLOCK COPY
- Publication number 20250184478
- Publication date Jun 5, 2025
- Tencent America LLC
- Guichun LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUB-BLOCK BASED TEMPORAL MOTION VECTOR PREDICTOR WITH AN MOTION VEC...
- Publication number 20250159189
- Publication date May 15, 2025
- Tencent America LLC
- Lien-Fei CHEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MIXED-MODEL CROSS-COMPONENT PREDICTION MODE
- Publication number 20250142055
- Publication date May 1, 2025
- Tencent America LLC
- Xin ZHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WEIGHT DERIVATION OF MULTIPLE REFERENCE LINE FOR INTRA PREDICTION F...
- Publication number 20250097433
- Publication date Mar 20, 2025
- Tencent America LLC
- Lien-Fei CHEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TEMPLATE-MATCHING BASED MOTION SHIFT REFINEMENT FOR SUBBLOCK BASED...
- Publication number 20250097454
- Publication date Mar 20, 2025
- Tencent America LLC
- Lien-Fei CHEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TEMPORAL BASED SUBBLOCK TYPE MOTION VECTOR PREDICTOR
- Publication number 20250063191
- Publication date Feb 20, 2025
- Tencent America LLC
- Lien-Fei CHEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BOUNDARY FILTERING FOR INTRABC AND INTRATMP MODES
- Publication number 20250039443
- Publication date Jan 30, 2025
- Tencent America LLC
- Xin ZHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WEIGHTED SAMPLE PREDICTION FOR GEOMETRIC PARTITIONING MODE
- Publication number 20250039388
- Publication date Jan 30, 2025
- Tencent America LLC
- Lien-Fei CHEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TEMPORAL MOTION VECTOR PREDICTOR WITH DISPLACEMENT
- Publication number 20250024066
- Publication date Jan 16, 2025
- Tencent America LLC
- Xin ZHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIVERSIFIED MERGE CANDIDATE REORDERING
- Publication number 20250016359
- Publication date Jan 9, 2025
- Tencent America LLC
- Guichun LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RANGE OF MINIMUM CODING BLOCK SIZE
- Publication number 20250016351
- Publication date Jan 9, 2025
- Tencent America LLC
- Guichun LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SCENE DETECTION BASED ENCODING
- Publication number 20240406409
- Publication date Dec 5, 2024
- Tencent America LLC
- Guichun LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUB-BLOCK BASED CONSTRAINT ON BI-PREDICTION FOR OUT-OF-BOUNDARY CON...
- Publication number 20240406384
- Publication date Dec 5, 2024
- Tencent America LLC
- Guichun LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNALING OF NUMBER OF MERGE CANDIDATES
- Publication number 20240397065
- Publication date Nov 28, 2024
- Tencent America LLC
- Ling LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GEOMETRY PARTITION MODE AND MERGE MODE WITH MOTION VECTOR DIFFERENC...
- Publication number 20240388712
- Publication date Nov 21, 2024
- Tencent America LLC
- Guichun LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONDITIONAL APPLICATION OF REFINEMENT TECHNIQUE
- Publication number 20240373041
- Publication date Nov 7, 2024
- Tencent America LLC
- Guichun LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUBBLOCK BASED MOTION VECTOR PREDICTOR DISPLACEMENT VECTOR REORDERI...
- Publication number 20240364873
- Publication date Oct 31, 2024
- Tencent America LLC
- Han GAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONSTRAINED TEMPLATE MATCHING
- Publication number 20240323386
- Publication date Sep 26, 2024
- Tencent America LLC
- Xiang LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VIDEO DECODING METHOD AND APPARATUS, VIDEO ENCODING METHOD AND APPA...
- Publication number 20240305804
- Publication date Sep 12, 2024
- TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
- Hong Bin ZHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SETTING A VALUE RANGE OF A NUMBER OF SUB-BLOCK BASED MERGE CANDIDATES
- Publication number 20240292011
- Publication date Aug 29, 2024
- Tencent America LLC
- Guichun LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OFFSET PARAMETER SIGNALING IN MERGE MOTION VECTOR DIFFERENCE MODE
- Publication number 20240276000
- Publication date Aug 15, 2024
- Tencent America LLC
- Guichun LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOCAL ILLUMINATION COMPENSATION
- Publication number 20240236297
- Publication date Jul 11, 2024
- Tencent America LLC
- Lien-Fei CHEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FLIPPING MODE FOR CHROMA AND INTRA TEMPLATE MATCHING
- Publication number 20240236324
- Publication date Jul 11, 2024
- Tencent America LLC
- Xin ZHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MODIFIED INTRA PREDICTION FUSION
- Publication number 20240236348
- Publication date Jul 11, 2024
- Tencent America LLC
- Xin ZHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSFORM SELECTION FOR INTRA PREDICTION FUSION
- Publication number 20240236349
- Publication date Jul 11, 2024
- Tencent America LLC
- Xin ZHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR MOTION VECTOR CODING
- Publication number 20240236330
- Publication date Jul 11, 2024
- Tencent America LLC
- Guichun LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOCAL ILLUMINATION COMPENSATION FOR BI-PREDICTION
- Publication number 20240236300
- Publication date Jul 11, 2024
- Tencent America LLC
- Xin ZHAO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WEIGHT DERIVATION FOR GEOMETRIC PARTITIONING MODE
- Publication number 20240195997
- Publication date Jun 13, 2024
- Tencent America LLC
- Lien-Fei CHEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

Method and apparatus adaptive constraint on bi-prediction for out-o...

Intra block copy (IBC) candidate list construction with motion info...

Component dependent intra and inter prediction signaling

Adaptive blending for geometric partition mode (GPM)

Full-pixel based and group-based motion compensated picture boundar...

Signaling of base merge candidate index in MMVD mode

Weight index inheritance

Method and apparatus for video coding

Subblock-based motion vector predictor with MV offset derived by te...

Deriving affine merge candidates when neighboring blocks are outsid...

Constraint of minimum quaternary tree size

Signaling of block vector resolution

Sub-block based temporal motion vector predictor with an motion vec...

Scene transition detection based encoding methods for BCW

Subblock merge mode for intra block copy

Prediction of intrabc flip type

Affine inter prediction refinement with optical flow

Subblock intra and inter coding

Mixed-model cross-component prediction mode

Partition, motion vector (MV) derivation of template-matching, and...

Weight derivation of multiple reference line for intra prediction f...

Temporal based subblock type motion vector predictor

Temporal motion vector predictor with displacement

Affine prediction refinement with optical flow

Bilateral matching with affine motion

Affine estimation in pre-analysis of encoder

Setting motion vector precision for intra prediction with motion ve...

Weighted sample prediction for geometric partitioning mode

CTU level inheritance of CABAC context initialization

Method and apparatus for boundary filtering for intrabc and intraTM...

Patents Applicationslast 30 patents

WEIGHT INDEX INHERITANCE

PREDICTION OF INTRABC FLIP TYPE

SUBBLOCK MERGE MODE FOR INTRA BLOCK COPY

SUB-BLOCK BASED TEMPORAL MOTION VECTOR PREDICTOR WITH AN MOTION VEC...

MIXED-MODEL CROSS-COMPONENT PREDICTION MODE

WEIGHT DERIVATION OF MULTIPLE REFERENCE LINE FOR INTRA PREDICTION F...

TEMPLATE-MATCHING BASED MOTION SHIFT REFINEMENT FOR SUBBLOCK BASED...

TEMPORAL BASED SUBBLOCK TYPE MOTION VECTOR PREDICTOR

BOUNDARY FILTERING FOR INTRABC AND INTRATMP MODES

WEIGHTED SAMPLE PREDICTION FOR GEOMETRIC PARTITIONING MODE

TEMPORAL MOTION VECTOR PREDICTOR WITH DISPLACEMENT

DIVERSIFIED MERGE CANDIDATE REORDERING

RANGE OF MINIMUM CODING BLOCK SIZE

SCENE DETECTION BASED ENCODING

SUB-BLOCK BASED CONSTRAINT ON BI-PREDICTION FOR OUT-OF-BOUNDARY CON...

SIGNALING OF NUMBER OF MERGE CANDIDATES

GEOMETRY PARTITION MODE AND MERGE MODE WITH MOTION VECTOR DIFFERENC...

CONDITIONAL APPLICATION OF REFINEMENT TECHNIQUE

SUBBLOCK BASED MOTION VECTOR PREDICTOR DISPLACEMENT VECTOR REORDERI...

CONSTRAINED TEMPLATE MATCHING

VIDEO DECODING METHOD AND APPARATUS, VIDEO ENCODING METHOD AND APPA...

SETTING A VALUE RANGE OF A NUMBER OF SUB-BLOCK BASED MERGE CANDIDATES

OFFSET PARAMETER SIGNALING IN MERGE MOTION VECTOR DIFFERENCE MODE

LOCAL ILLUMINATION COMPENSATION

FLIPPING MODE FOR CHROMA AND INTRA TEMPLATE MATCHING

MODIFIED INTRA PREDICTION FUSION

TRANSFORM SELECTION FOR INTRA PREDICTION FUSION

METHOD AND APPARATUS FOR MOTION VECTOR CODING

LOCAL ILLUMINATION COMPENSATION FOR BI-PREDICTION

WEIGHT DERIVATION FOR GEOMETRIC PARTITIONING MODE