16 search results - page 1 / 4 » Windowed Fourier transform of two-dimensional quaternionic s... |
AMC
2010
13 years 4 months ago
2010
In this paper, we generalize the classical windowed Fourier transform (WFT) to quaternionvalued signals, called the quaternionic windowed Fourier transform (QWFT). Using the spect...
ICIP
2004
IEEE
14 years 6 months ago
2004
IEEE
Using the concepts of two-dimensional Hilbert transform and analytic signal, we construct a new quaternion wavelet transform (QWT). The QWT forms a tight frame and can be efficien...
CAIP
1999
Springer
13 years 8 months ago
1999
Springer
Abstract. In this article, we deal with fast algorithms for the quaternionic Fourier transform (QFT). Our aim is to give a guideline for choosing algorithms in practical cases. Hen...
CORR
2008
Springer
13 years 4 months ago
2008
Springer
For a given prime p, a new construction of families of the complex valued sequences of period p with efficient implementation is given by applying both multiplicative characters a...
JOT
2010
13 years 3 months ago
2010
This paper is part 6 in a series of papers about the Discrete Fourier Transform (DFT) and the Inverse Discrete Fourier Transform (IDFT). The focus of this paper is on correlation....