Inventor

Liwei Guo

Inventor
San Diego, CA, US

Overview

64→
Patents
2011–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 64 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television85%
H03MCoding7%
G06TImage data processing or generation, in general4%
B82YSpecific uses or applications of nanostructures1%
H10HInorganic light-emitting semiconductor devices having potential barriers1%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1%
PatentTitleYear
10,721,490Methods and apparatus for adaptive motion vector candidate ordering for video encoding and decoding202010,547,836Most probable transform for intra prediction coding202010,448,032Signaling of down-sampling location information in scalable video coding201910,397,607Color residual prediction for video coding201910,362,333Color index coding for palette-based video coding201910,313,682Determining regions when performing intra block copying201910,291,930Methods and apparatus for uni-prediction of self-derivation of motion estimation201910,257,543Identification of samples in a transition zone201910,194,158Transform basis adjustment in scalable video coding201910,021,412Methods and apparatus for adaptive motion vector candidate ordering for video encoding and decoding201810,021,419Rice parameter initialization for coefficient level coding in video coding process201810,015,515Intra prediction from a predictive block20189,961,351Palette mode coding20189,912,944'Simplified non-square quadtree transforms for video coding'20189,883,203'Adaptive overlapped block motion compensation'20189,872,040'Color index coding for palette-based video coding'20189,848,197Transforms in video coding20179,843,801'Generalized residual prediction for scalable video coding and 3D video coding'20179,826,238'Signaling syntax elements for transform coefficients for sub-sets of a leaf-level coding unit'20179,807,401'Transform unit partitioning for chroma components in video coding'20179,807,424'Adaptive selection of region size for identification of samples in a transition zone for overlapped block motion compensation'20179,807,426'Applying non-square transforms to video data'20179,800,870'Line buffer reduction for short distance intra-prediction'20179,800,884'Device and method for scalable coding of video information'20179,787,982'Non-square transform units and prediction units in video coding'20179,743,097'Spatial motion vector scaling for scalable video coding'20179,699,456'Buffering prediction data in video coding'20179,699,457'Most probable transform for intra prediction coding'20179,693,060'Device and method for scalable coding of video information'20179,667,994'Intra-coding for 4:2:2 sample format in video coding'20179,654,777'Determining palette indices in palette-based video coding'20179,654,772'Context adaptive entropy coding with a reduced initialization value set'20179,648,330'Inter-color component residual prediction'20179,615,108'Methods and apparatus for adaptive probability update for non-coded syntax'20179,558,567'Palette prediction in palette-based video coding'20179,538,175'Context derivation for context-adaptive, multi-level significance coding'20179,516,316'VLC coefficient coding for large chroma block'20169,510,009'Methods and apparatus for adaptive motion vector candidate ordering for video encoding and decoding'20169,503,715'Constrained intra prediction in video coding'20169,503,743'Methods and apparatus for uni-prediction of self-derivation of motion estimation'20169,490,839'Variable length coding of video block coefficients'20169,491,491'Run-mode based coefficient coding for video coding'20169,484,952'Context state and probability initialization for context adaptive entropy coding'20169,467,701'Coded block flag coding'20169,462,275'Residual quad tree (RQT) coding for video coding'20169,445,132'Two level last significant coefficient (LSC) position coding'20169,386,306'Enhancement layer scan order derivation for scalable video coding'20169,357,185'Context optimization for last significant coefficient position coding'20169,357,211'Device and method for scalable and multiview/3D coding of video information'20169,338,456'Coding syntax elements using VLC codewords'20169,332,257'Coded black flag coding for 4:2:2 sample format in video coding'20169,326,003'Methods and apparatus for video encoding and decoding using adaptive geometric partitioning'20169,319,684'Alternative transform in scalable video coding'20169,270,991'Inter-layer reference picture generation for HLS-only scalable video coding'20169,247,254'Non-square transforms in intra-prediction video coding'20169,237,344'Deriving context for last position coding for video coding'20169,219,913'Inferred base layer block for TEXTURE—BL mode in HEVC based single loop scalable video coding'20159,185,405'Coded block flag inference in video coding'20159,172,972'Low complexity interpolation filtering with adaptive tap size'20159,154,798'Methods and apparatus for efficient video encoding and decoding of intra prediction mode'20159,071,851'Adaptively performing smoothing operations'20158,831,111'Decoding with embedded denoising'20148,369,417'Optimal denoising for video coding'20138,043,872'Epitaxial material used for GaN based LED with low polarization effect and manufacturing method thereof'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011Based in Beijing, CN· patent location history
2013–2017Patents assigned to GUO LIWEI (20)· patent assignee history
2013–2014Based in Hong Kong, CN· patent location history
2015–2020Patents assigned to QUALCOMM INC (53)· patent assignee history
2015–2017Patents assigned to KARCZEWICZ MARTA (13)· patent assignee history
2015–2018Patents assigned to THOMSON LICENSING (6)· patent assignee history
2015–2020Based in San Diego, CA, US· patent location history
2016–2017Patents assigned to WANG XIANGLIN (10)· patent assignee history
2016–2017Based in Plainsboro, NJ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
QUALCOMM INC532015–2020
GUO LIWEIself202013–2017
KARCZEWICZ MARTA132015–2017
WANG XIANGLIN102016–2017
THOMSON LICENSING62015–2018
Locations
LocationPatentsSpan
San Diego, California, US582015–2020
Plainsboro, New Jersey, US32016–2017
Hong Kong, CN22013–2014
Beijing, CN12011