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ISCI
2006
72views more  ISCI 2006»
13 years 10 months ago
A study of particle swarm optimization particle trajectories
Particle swarm optimization (PSO) has shown to be an efficient, robust and simple optimization algorithm. Most of the PSO studies are empirical, with only a few theoretical analys...
F. Van den Bergh, Andries Petrus Engelbrecht
CVIU
2007
108views more  CVIU 2007»
13 years 10 months ago
A real-time hand tracker using variable-length Markov models of behaviour
We present a novel approach for visual tracking of structured behaviour as observed in human–computer interaction. An automatically acquired variable-length Markov model is used...
Nikolay Stefanov, Aphrodite Galata, Roger J. Hubbo...
SIAMSC
2008
97views more  SIAMSC 2008»
13 years 10 months ago
Improvement of Space-Invariant Image Deblurring by Preconditioned Landweber Iterations
The Landweber method is a simple and flexible iterative regularization algorithm, whose projected variant provides nonnegative image reconstructions. Since the method is usually v...
Paola Brianzi, Fabio Di Benedetto, Claudio Estatic...
SIGIR
2008
ACM
13 years 10 months ago
Term clouds as surrogates for user generated speech
User generated spoken audio remains a challenge for Automatic Speech Recognition (ASR) technology and content-based audio surrogates derived from ASR-transcripts must be error rob...
Manos Tsagkias, Martha Larson, Maarten de Rijke
TCSV
2008
84views more  TCSV 2008»
13 years 10 months ago
A Technique for Evaluation of CCD Video-Camera Noise
This paper presents a technique to identify and measure the prominent sources of sensor noise in commercially available CCD video cameras by analysis of the output images. Noise fu...
Kenji Irie, Alan E. McKinnon, Keith Unsworth, Ian ...