133 search results - page 6 / 27 » Simple and practical algorithm for sparse Fourier transform |
ICIP
2007
IEEE
14 years 1 months ago
2007
IEEE
In a wide variety of imaging applications (especially medical imaging), we obtain a partial set or subset of the Fourier transform of an image. From these Fourier measurements, we...
DCC
2008
IEEE
14 years 7 months ago
2008
IEEE
There are two main classes of decoding algorithms for "compressed sensing," those which run time time polynomial in the signal length and those which use sublinear resou...
SIAMIS
2008
13 years 7 months ago
2008
We propose, analyze and test an alternating minimization algorithm for recovering images from blurry and noisy observations with total variation (TV) regularization. This algorith...
CVPR
2010
IEEE
14 years 3 months ago
2010
IEEE
In this paper we propose a framework for gradient descent
image alignment in the Fourier domain. Specifically,
we propose an extension to the classical Lucas & Kanade
(LK) a...
PODS
2004
ACM
14 years 7 months ago
2004
ACM
Typechecking consists of statically verifying whether the output of an XML transformation is always conform to an output type for documents satisfying a given input type. We focus...