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CIIA
2009
13 years 11 months ago
Color Quantization and its Impact on Color Histogram Based Image Retrieval
The comparison of color histograms is one of the most widely used techniques for Content-Based Image Retrieval. Before establishing a color histogram in a defined model (RGB, HSV o...
Khouloud Meskaldji, Samia Boucherkha, Salim Chikhi
AUTOMATICA
2010
218views more  AUTOMATICA 2010»
13 years 10 months ago
Gossip consensus algorithms via quantized communication
This paper considers the average consensus problem on a network of digital links, and proposes algorithms based on pairwise "gossip" communications and updates. Through ...
Ruggero Carli, Fabio Fagnani, Paolo Frasca, Sandro...
CORR
2008
Springer
106views Education» more  CORR 2008»
13 years 10 months ago
Quantization of Prior Probabilities for Hypothesis Testing
Abstract--In this paper, Bayesian hypothesis testing is investigated when the prior probabilities of the hypotheses, taken as a random vector, are quantized. Nearest neighbor and c...
Kush R. Varshney, Lav R. Varshney
NN
2006
Springer
146views Neural Networks» more  NN 2006»
13 years 9 months ago
Comparison of relevance learning vector quantization with other metric adaptive classification methods
The paper deals with the concept of relevance learning in learning vector quantization and classification. Recent machine learning approaches with the ability of metric adaptation...
Thomas Villmann, Frank-Michael Schleif, Barbara Ha...
TIT
2002
68views more  TIT 2002»
13 years 9 months ago
A Lagrangian formulation of Zador's entropy-constrained quantization theorem
Abstract--Zador's classic result for the asymptotic high-rate behavior of entropy-constrained vector quantization is recast in a Lagrangian form which better matches the Lloyd...
Robert M. Gray, Tamás Linder, Jia Li