133 search results - page 5 / 27 » Simple and practical algorithm for sparse Fourier transform |
ICIP
2005
IEEE
14 years 9 months ago
2005
IEEE
The focus of many non-parametric image registration algorithms lies on the solution of non-linear partial differential equations. We offer a simple solution procedure therefor bas...
BMVC
2000
13 years 8 months ago
2000
The hybrid Radon-Fourier technique has been proposed for the discrimination and tracking of deforming and compound targets. The current work investigates the technique's uniq...
FOCM
2008
13 years 7 months ago
2008
We investigate the problem of reconstructing sparse multivariate trigonometric polynomials from few randomly taken samples by Basis Pursuit and greedy algorithms such as Orthogona...
JVCIR
2010
13 years 5 months ago
2010
In order to get an efficient image representation we introduce a new adaptive Haar wavelet transform, called Tetrolet Transform. Tetrolets are Haar-type wavelets whose supports ar...
ALGORITHMICA
2002
13 years 7 months ago
2002
We obtain the strongest separation between quantum and classical query complexity known to date--specifically, we define a black-box problem that requires exponentially many querie...