160 search results - page 7 / 32 » On the diagonalization of the discrete Fourier transform |
ISCAS
2002
IEEE
14 years 9 days ago
2002
IEEE
ICIP
2005
IEEE
14 years 9 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...
ICIP
2005
IEEE
14 years 1 months ago
2005
IEEE
This paper presents a new method for the exponential Radon transform inversion based on harmonic analysis of the Euclidean motion group (M(2)). The exponential Radon transform is ...
APPML
2010
13 years 7 months ago
2010
Let Sn denote the symmetric group on {1, . . . , n} and Sn-1 the stabilizer subgroup of n. We derive algorithms for computing Fourier transforms of left and right Sn-1-invariant s...
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...