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159
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ICIP
2001
IEEE
16 years 6 months ago
2001
IEEE
A flexible multiscale and directional representation for images is proposed. The scheme combines directional filter banks with the Laplacian pyramid to provides a sparse represent...
151
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ICIP
2009
IEEE
16 years 5 months ago
2009
IEEE
We propose a method to demosaick images acquired with a completely arbitrary color filter array (CFA). We adopt a variational approach where the reconstructed image has maximal sm...
115
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ICIP
2009
IEEE
16 years 5 months ago
2009
IEEE
We propose a new color de-quantizing method for paletted images based on maximizing the sparseness of the overcomplete wavelet analysis of the estimation within the consistency se...
153
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ICIP
2009
IEEE
16 years 5 months ago
2009
IEEE
We present a new image restoration method based on modelling the coefficients of an overcomplete wavelet response to natural images with a mixture of two Gaussian distributions, h...
131
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ICASSP
2008
IEEE
15 years 11 months ago
2008
IEEE
In this paper, we investigate the application of compressive sensing and waveform design for estimating linear time-varying system characteristics. Based on the fact that the spre...