Jianwen G Chen from 2804 Micarta Dr, Plano, TX 75025

Us Patents

Method And Apparatus Of Quantization Matrix Coding
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US Patent:

20130272391, Oct 17, 2013
Filed:

Apr 16, 2013
Appl. No.:

13/864054
Inventors:

Jianwen Chen - Los Angeles CA, US
Jingsheng Cong - Pacific Palisades CA, US
Assignee:

Futurewei Technologies, Inc. - Plano TX
International Classification:

H04N 7/26
US Classification:

37524003
Abstract:

A method of coding a quantization matrix (QM) comprising non-uniformly downsampling the QM to generate a plurality of downsampled quantization coefficients. Also, an apparatus used in video encoding comprising a processor configured to non-uniformly downsample a QM to generate a plurality of downsampled quantization coefficients, scan the downsampled quantization coefficients, and encode the downsampled quantization coefficients based on scanning the downsampled quantization coefficients to generate encoded coefficients, and a transmitter coupled to the processor and configured to transmit a bitstream comprising a picture parameter set containing the encoded coefficients.

Weighted Prediction Method And Apparatus In Quantization Matrix Coding
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US Patent:

20130177075, Jul 11, 2013
Filed:

Jan 9, 2013
Appl. No.:

13/737863
Inventors:

Jianwen Chen - Los Angeles CA, US
Jingsheng Jason Cong - Pacific Palisades CA, US
Assignee:

FUTUREWEI TECHNOLOGIES, INC. - Plano TX
International Classification:

H04N 7/26
US Classification:

37524003
Abstract:

A method for decoding and reconstructing a QM associated with a picture, wherein the method comprises acquiring at least one reference QM and at least one weighting factor associated with the reference QM, wherein the reference QM is a previously decoded QM, and computing a predicted matrix using the reference QM and the weighting factor associated with the reference QM, wherein the predicted matrix is used to reconstruct the QM. In another embodiment, a method for encoding a QM associated with a picture, wherein the method comprises acquiring a first QM reference and a second QM reference, acquiring a first weighting factor that corresponds to the first QM reference and a second weighting factor that corresponds to the second QM reference, obtaining the predicted QM using the first QM reference, the second QM reference, the first weighting factor, and the second weighting factor.

Resumes

Founder

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Location:

Irvine, CA

Industry:

Computer Software

Work:

Bingotalk
Founder
Deep Ocean Data
Algorithm and Application
Harvard University Oct 2012 - Dec 2014
Research Scholar
Ucla Sep 2010 - Sep 2012
Video and Wireless Researcher
Tsinghua University Feb 2010 - Sep 2010
Video Codec Researcher

Education:

Harvard University 2012 - 2014
University of California, Los Angeles 2010 - 2012
Harvard University 1992 - 1994
Tsinghua University
Doctorates, Doctor of Philosophy, Engineering Tsinghua University
Masters, Master of Science In Electrical Engineering, Engineering

Skills:

Algorithms
Signal Processing
Matlab
Digital Signal Processors
Machine Learning
Image Processing
C++
C
Computer Vision
Embedded Systems
Latex
Python
Verilog
Distributed Systems
Pattern Recognition
High Performance Computing
Video Processing
Optimization
Algorithm Design

Languages:

English
Mandarin

Name / Title

Company / Classification

Phones & Addresses

Jianwen Chen
Chief Executive

Leadershipstock.com
Phonograph Records and Prerecorded Audio Tape...

4526 Concord Dr, Garland, TX 75042
Website: leadershipstock.com

Jianwen Chen
President, Director

JWCZ INVESTMENT, INC
Investor

6028 Fieldstone Dr, Dallas, TX 75252

Jianwen Chen
President