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CVIU
2004
118views more  CVIU 2004»
15 years 6 months ago
Differential video coding of face and gesture events in presentation videos
Currently, bandwidth limitations pose a major challenge for delivering high-quality multimedia information over the Internet to users. In this research, we aim to provide a better...
Robin Tan, James W. Davis
TIFS
2010
132views more  TIFS 2010»
15 years 4 months ago
JPEG error analysis and its applications to digital image forensics
JPEG is one of the most extensively used image formats. Understanding the inherent characteristics of JPEG may play a useful role in digital image forensics. In this paper, we int...
Weiqi Luo, Jiwu Huang, Guoping Qiu
ICASSP
2011
IEEE
14 years 10 months ago
A knowledge-based algorithm to remove blocking artifacts in skin images for forensic analysis
Identifying criminals and victims in evidence images, where their faces are covered or obstructed, is a challenging task. In the legal case, United States v. Michael Joseph Pepe (...
Chaoying Tang, Adams Wai-Kin Kong, Noah Craft
TSP
2010
15 years 1 months ago
Shrinkage algorithms for MMSE covariance estimation
We address covariance estimation in the sense of minimum mean-squared error (MMSE) when the samples are Gaussian distributed. Specifically, we consider shrinkage methods which are ...
Yilun Chen, Ami Wiesel, Yonina C. Eldar, Alfred O....
ICASSP
2009
IEEE
16 years 1 months ago
DNA coding using finite-context models and arithmetic coding
The interest in DNA coding has been growing with the availability of extensive genomic databases. Although only two bits are sufficient to encode the four DNA bases, efficient l...
Armando J. Pinho, António J. R. Neves, Carl...