160 search results - page 12 / 32 » On the diagonalization of the discrete Fourier transform |
TCOM
2008
14 years 10 months ago
2008
Recently, the advantages of the discrete cosine transform (DCT) based orthogonal frequency-division multiplexing (OFDM) have come to the light. We thus consider DCTOFDM with non-ci...
75
Voted
CVPR
2010
IEEE
15 years 6 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...
CORR
2007
Springer
14 years 10 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
15 years 11 months ago
2007
IEEE
In this paper, we discuss the application of the two-dimensio- nal paired representation for processing medical images. This representation leads to the effective solution of the ...
93
Voted
CISS
2008
IEEE
15 years 4 months ago
2008
IEEE
—This paper improves on the best-known runtime and measurement bounds for a recently proposed Deterministic sublinear-time Sparse Fourier Transform algorithm (hereafter called DS...