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Laurent DuvalResearch Scientist, PhD
IFP Energies nouvelles
Laurent Duval
TSP
2010
8 years 6 months ago
On the shiftability of dual-tree complex wavelet transforms
The dual-tree complex wavelet transform (DT- WT) is known to exhibit better shift-invariance than the conventional discrete wavelet transform. We propose an amplitude-phase represe...
Kunal Narayan Chaudhury, Michael Unser
TIT
2010
140views Education» more  TIT 2010»
8 years 6 months ago
On the analytic wavelet transform
An exact and general expression for the analytic wavelet transform of a real-valued signal is constructed, resolving the time-dependent effects of non-negligible amplitude and fre...
Jonathan M. Lilly, Sofia C. Olhede
BMCBI
2011
8 years 7 months ago
Tiling array data analysis: a multiscale approach using wavelets
Background: Tiling array data is hard to interpret due to noise. The wavelet transformation is a widely used technique in signal processing for elucidating the true signal from no...
Alexander Karpikov, Joel S. Rozowsky, Mark Gerstei...
CORR
2010
Springer
160views Education» more  CORR 2010»
8 years 9 months ago
Fusion of Wavelet Coefficients from Visual and Thermal Face Images for Human Face Recognition - A Comparative Study
In this paper we present a comparative study on fusion of visual and thermal images using different wavelet transformations. Here, coefficients of discrete wavelet transforms from...
Mrinal Kanti Bhowmik, Debotosh Bhattacharjee, Mita...
EUSFLAT
2009
679views Fuzzy Logic» more  EUSFLAT 2009»
8 years 10 months ago
Combining Wavelets and Computational Intelligence Methods with Applications on Multi-class Classification Datasets
In this paper, we propose a novel algorithm for wavelet feature extraction as input to a supervised Multi-Class Classifier to improve classification performance. In particular, to ...
Carlos Campos Bracho
IH
2010
Springer
8 years 10 months ago
The Influence of the Image Basis on Modeling and Steganalysis Performance
Abstract. We compare two image bases with respect to their capabilities for image modeling and steganalysis. The first basis consists of wavelets, the second is a Laplacian pyramid...
Valentin Schwamberger, Pham Hai Dang Le, Bernhard ...
TIP
2010
136views more  TIP 2010»
8 years 10 months ago
Wavelet Steerability and the Higher-Order Riesz Transform
Abstract— Our main goal in this paper is to set the foundations of a general continuous-domain framework for designing steerable, reversible signal transformations (a.k.a. frames...
Michael Unser, Dimitri Van De Ville
SIAMSC
2008
160views more  SIAMSC 2008»
8 years 11 months ago
An Adaptive Multilevel Wavelet Solver for Elliptic Equations on an Optimal Spherical Geodesic Grid
An adaptive multilevel wavelet solver for elliptic equations on an optimal spherical geodesic grid is developed. The method is based on second-generation spherical wavelets on almo...
Mani Mehra, Nicholas K.-R. Kevlahan
SIGKDD
2002
136views more  SIGKDD 2002»
8 years 11 months ago
A Survey on Wavelet Applications in Data Mining
Recently there has been significant development in the use of wavelet methods in various data mining processes. However, there has been written no comprehensive survey available o...
Tao Li, Qi Li, Shenghuo Zhu, Mitsunori Ogihara
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