232 search results - page 27 / 47 » Image Denoising Using Sparse Representations |
CORR
2010
Springer
13 years 4 months ago
2010
Springer
In this paper we propose a new wavelet transform applicable to functions defined on graphs, high dimensional data and networks. The proposed method generalizes the Haar-like transf...
ICPR
2010
IEEE
13 years 5 months ago
2010
IEEE
Reducing the dimension of local descriptors in images is useful to perform pixels comparison faster. We show here that, for enhancing and optimising the computation of the NL-mean...
CISS
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract—We develop neurally plausible local competitive algorithms (LCAs) for reconstructing compressively sensed images. Reconstruction requires solving a sparse approximation ...
SCIA
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. Filter networks, i.e. decomposition of a filter set into a layered structure of sparse subfilters has been proven successful for e.g. efficient convolution using finit...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
The contourlet transform was proposed as a directional multiresolution image representation that can efficiently capture and represent singularities along smooth object boundaries...