106 search results - page 19 / 22 » The curvelet transform for image denoising |
81
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ISBI
2004
IEEE
15 years 10 months ago
2004
IEEE
The techniques described in this paper allow multiscale photon-limited image reconstruction methods to be implemented with significantly less computational complexity than previou...
ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
Iterative shrinkage of sparse and redundant representations are at the heart of many state of the art denoising and deconvolution algorithms. They assume the signal is well approx...
103
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TIP
2008
14 years 9 months ago
2008
This paper describes an approach to image modelling using interscale phase relationships of wavelet coefficients for use in image estimation applications. The method is based on th...
TSP
2010
14 years 4 months ago
2010
In this paper, we propose the complex Gaussian scale mixture (CGSM) to model the complex wavelet coefficients as an extension of the Gaussian scale mixture (GSM), which is for real...
TMI
1998
14 years 9 months ago
1998
Abstract— This paper presents an algorithm for speckle reduction and contrast enhancement of echocardiographic images. Within a framework of multiscale wavelet analysis, we apply...