68 search results - page 5 / 14 » Generalized discrete Fourier transform with nonlinear phase |
ASAP
2009
IEEE
14 years 2 months ago
2009
IEEE
—The Spectral Hash algorithm is one of the Round 1 candidates for the SHA-3 family, and is based on spectral arithmetic over a finite field, involving multidimensional discrete...
ICIP
2003
IEEE
14 years 9 months ago
2003
IEEE
This paper introduces a new method to register images that are rotated and translated with respect to each other. The method works by transforming each image to a gradient distrib...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
Abstract—This paper presents a systematic methodology to derive and classify fast algorithms for linear transforms. The approach is based on the algebraic signal processing theor...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
We present algorithms for the discrete cosine transform (DCT) and discrete sine transform (DST), of types II and III, that achieve a lower count of real multiplications and additi...
ICIP
2007
IEEE
14 years 9 months ago
2007
IEEE
Dental radiographs have been used for the accurate assessment and treatment of dental diseases. For an accurate diagnosis, the complete geometric registration between radiographs ...