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ICIP
2008
IEEE
14 years 10 months ago
The Marr wavelet pyramid
We introduce a new semi-orthogonal complex wavelet basis of L2(R2 ). The basis functions are associated to the complex gradient-Laplace operator, which plays a central role in ima...
Dimitri Van De Ville, Michael Unser
ICIP
2009
IEEE
14 years 10 months ago
Sparsity And Morphological Diversity For Hyperspectral Data Analysis
Recently morphological diversity and sparsity have emerged as new and effective sources of diversity for Blind Source Separation. Based on these new concepts, novel methods such a...
VLDB
2002
ACM
101views Database» more  VLDB 2002»
14 years 9 months ago
Efficient similarity search for market basket data
Several organizations have developed very large market basket databases for the maintenance of customer transactions. New applications, e.g., Web recommendation systems, present th...
Alexandros Nanopoulos, Yannis Manolopoulos
ISSAC
2009
Springer
169views Mathematics» more  ISSAC 2009»
14 years 3 months ago
Computations modulo regular chains
The computation of triangular decompositions involves two fundamental operations: polynomial GCDs modulo regular chains and regularity test modulo saturated ideals. We propose new...
Xin Li, Marc Moreno Maza, Wei Pan
ICML
2010
IEEE
13 years 10 months ago
Risk minimization, probability elicitation, and cost-sensitive SVMs
A new procedure for learning cost-sensitive SVM classifiers is proposed. The SVM hinge loss is extended to the cost sensitive setting, and the cost-sensitive SVM is derived as the...
Hamed Masnadi-Shirazi, Nuno Vasconcelos