Clark School Home UMD
ECE

ECE News Story

Baras, Gu, Jiang awarded patent for video codec

Baras, Gu, Jiang awarded patent for video codec

Professor John S. Baras (ECE/ISR) and ISR alumni Junfeng Gu and Yimin Jiang were issued U.S. Patent 7,006568 on Feb. 28, 2006 for 3D Wavelet-Based Video Codec with Human Perceptual Model,” a video encoding/decoding system.

The system applies JND (Just Noticable Difference) measurement in quantizer design to improve the subjective quality of compressed video. The 3D wavelet decomposition helps to remove spatial and temporal redundancy and provides scalability of video quality. This scheme simplifies the conditional access sub-system and provides system reliability.

March 7, 2006


Prev   Next

Current Headlines

UMD Team Selected to Participate in International Solar Decathlon

Espy-Wilson Delivers Keynote Address for Stanford’s WISE Inspirations Network

Khaligh is General Chair of 2016 IEEE APEC Conference

UMD-led Team Advances in SpaceX Hyperloop Pod Competition

UMD Accepted to DOE’s 2017 Solar Decathlon Competition

Alum Xiaobo Tan named 'Foundation Professor' at Michigan State

Jonathan Simon gives keynote speech at SPIRE workshop

Babadi Wins NSF CAREER Award

News Resources

Return to Newsroom

Search News

Archived News

Events Resources

Events Calendar

Additional Resources

UM Newsdesk

Faculty Experts