Guichun Li

Person

Milpitas, CA, US

People

Patents Grantslast 30 patents

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
Information Patent Grant
Range of minimum coding block size in video coding
- Patent number 12,120,338
- Issue date Oct 15, 2024
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for diversified merge candidate reordering
- Patent number 12,120,341
- Issue date Oct 15, 2024
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for scene detection based encoding
- Patent number 12,096,000
- Issue date Sep 17, 2024
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sub-block based constraint on bi-prediction for out-of-boundary con...
- Patent number 12,095,984
- Issue date Sep 17, 2024
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for temporal filter in video coding
- Patent number 12,088,801
- Issue date Sep 10, 2024
- Tencent America LLC
- Thuong Nguyen Canh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signaling of number of merge candidates
- Patent number 12,088,833
- Issue date Sep 10, 2024
- Tencent America LLC
- Ling Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive motion vector resolution signaling
- Patent number 12,081,788
- Issue date Sep 3, 2024
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Geometry partition mode and merge mode with motion vector differenc...
- Patent number 12,081,751
- Issue date Sep 3, 2024
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods, apparatus, and systems for affine chroma subblock motion v...
- Patent number 12,081,771
- Issue date Sep 3, 2024
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Conditions for applying DMVR/BDOF
- Patent number 12,075,068
- Issue date Aug 27, 2024
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Subblock based motion vector predictor displacement vector reorderi...
- Patent number 12,063,355
- Issue date Aug 13, 2024
- Tencent America LLC
- Han Gao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Constrained template matching
- Patent number 12,034,932
- Issue date Jul 9, 2024
- Tencent America LLC
- Xiang Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video decoding method and apparatus, video encoding method and appa...
- Patent number 12,034,950
- Issue date Jul 9, 2024
- Tencent Technology (Shenzhen) Company Limited
- Hong Bin Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Determination of a maximum number of merge candidates in subblock b...
- Patent number 12,003,748
- Issue date Jun 4, 2024
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signaling of flag indicating zero motion vector difference for a co...
- Patent number 11,985,342
- Issue date May 14, 2024
- Tencent America LLC
- Guichun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Determining a motion vector type based on a weight index at a sampl...
- Patent number 11,979,592
- Issue date May 7, 2024
- Tencent America LLC
- Lien-Fei Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

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
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
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
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
Information Patent Application
TRANSFORM SELECTION THROUGH BLOCK MATCHING
- Publication number 20240187620
- Publication date Jun 6, 2024
- Tencent America LLC
- Xin ZHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR SIGNALING SKIP MODE FLAG
- Publication number 20240179344
- Publication date May 30, 2024
- Tencent America LLC
- Xiaozhong XU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSFORM SELECTION FOR INTRA PREDICTION FUSION
- Publication number 20240137542
- Publication date Apr 25, 2024
- Tencent America LLC
- Xin ZHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR EXTENDED DECODER SIDE MOTION VECTOR REFINE...
- Publication number 20240137552
- Publication date Apr 25, 2024
- Tencent America LLC
- Guichun LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GEOMETRIC AFFINE MODE AND GEOMETRIC SUBBLOCK MODES
- Publication number 20240137509
- Publication date Apr 25, 2024
- Tencent America LLC
- Xin ZHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FLIPPING MODE FOR CHROMA AND INTRA TEMPLATE MATCHING
- Publication number 20240137515
- Publication date Apr 25, 2024
- Tencent America LLC
- Xin ZHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR MOTION VECTOR CODING
- Publication number 20240137520
- Publication date Apr 25, 2024
- Tencent America LLC
- Guichun LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TEMPLATE MATCHING REFINEMENT FOR AFFINE MOTION
- Publication number 20240137540
- Publication date Apr 25, 2024
- Tencent America LLC
- Guichun LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

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...

Range of minimum coding block size in video coding

Method for diversified merge candidate reordering

Method and apparatus for scene detection based encoding

Sub-block based constraint on bi-prediction for out-of-boundary con...

Method and apparatus for temporal filter in video coding

Signaling of number of merge candidates

Adaptive motion vector resolution signaling

Geometry partition mode and merge mode with motion vector differenc...

Methods, apparatus, and systems for affine chroma subblock motion v...

Conditions for applying DMVR/BDOF

Subblock based motion vector predictor displacement vector reorderi...

Constrained template matching

Video decoding method and apparatus, video encoding method and appa...

Determination of a maximum number of merge candidates in subblock b...

Signaling of flag indicating zero motion vector difference for a co...

Determining a motion vector type based on a weight index at a sampl...

Patents Applicationslast 30 patents

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

METHOD AND APPARATUS FOR MOTION VECTOR CODING

MODIFIED INTRA PREDICTION FUSION

TRANSFORM SELECTION FOR INTRA PREDICTION FUSION

LOCAL ILLUMINATION COMPENSATION FOR BI-PREDICTION

WEIGHT DERIVATION FOR GEOMETRIC PARTITIONING MODE

TRANSFORM SELECTION THROUGH BLOCK MATCHING

METHOD AND APPARATUS FOR SIGNALING SKIP MODE FLAG

TRANSFORM SELECTION FOR INTRA PREDICTION FUSION

METHOD AND APPARATUS FOR EXTENDED DECODER SIDE MOTION VECTOR REFINE...

GEOMETRIC AFFINE MODE AND GEOMETRIC SUBBLOCK MODES

FLIPPING MODE FOR CHROMA AND INTRA TEMPLATE MATCHING

METHOD AND APPARATUS FOR MOTION VECTOR CODING

TEMPLATE MATCHING REFINEMENT FOR AFFINE MOTION