266 search results - page 2 / 54 » New algorithms for computing directional discrete Fourier tr... |
ARITH
2007
IEEE
13 years 11 months ago
2007
IEEE
We describe a new method to perform the modular exponentiation operation, i.e., the computation of c = me mod n, where c, m, e and n are large integers. The new method uses the di...
SIAMIS
2008
13 years 4 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...
TIP
2010
2010
The Discrete Shearlet Transform: A New Directional Transform and Compactly Supported Shearlet Frames
13 years 3 months ago
It is now widely acknowledged that analyzing the intrinsic geometrical features of the underlying image is essential in many applications including image processing. In order to a...
JVCIR
2010
13 years 3 months ago
2010
Efficient representation of images usually leads to improvements in storage efficiency, computational complexity and performance of image processing algorithms. Efficient represe...
ICIP
2005
IEEE
14 years 6 months ago
2005
IEEE
We derive a new, two-dimensional nonseparable signal transform for computing the spectrum of spatial signals residing on a finite quincunx lattice. The derivation uses the connect...