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CGF
2008
122views more  CGF 2008»
15 years 7 months ago
Accurate Shadows by Depth Complexity Sampling
The accurate generation of soft shadows is a particularly computationally intensive task. In order to reduce rendering time, most real-time and offline applications decorrelate th...
Vincent Forest, Loïc Barthe, Mathias Paulin
JEI
2006
128views more  JEI 2006»
15 years 7 months ago
Performance study of common image steganography and steganalysis techniques
Abstract. We investigate the performance of state of the art universal steganalyzers proposed in the literature. These universal steganalyzers are tested against a number of well-k...
Mehdi Kharrazi, Husrev T. Sencar, Nasir D. Memon
TASLP
2008
149views more  TASLP 2008»
15 years 7 months ago
Using Articulatory Representations to Detect Segmental Errors in Nonnative Pronunciation
Abstract--Motivated by potential applications in second-language pedagogy, we present a novel approach to using articulatory information to improve automatic detection of typical p...
Joseph Tepperman, Shrikanth Narayanan
AUTOMATICA
2005
126views more  AUTOMATICA 2005»
15 years 7 months ago
Relations between uncertainty structures in identification for robust control
Various techniques of system identification exist that provide a nominal model and an uncertainty bound. An important question is what the implications are for the particular choi...
Sippe G. Douma, Paul M. J. Van den Hof
TMM
2002
140views more  TMM 2002»
15 years 6 months ago
Narrowing the semantic gap - improved text-based web document retrieval using visual features
In this paper, we present the results of our work that seek to negotiate the gap between low-level features and high-level concepts in the domain of web document retrieval. This wo...
Rong Zhao, William I. Grosky