15 search results - page 2 / 3 » New image transforms using hybrid wavelets and directional f... |
ICIP
2004
IEEE
14 years 9 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...
ICIP
2008
IEEE
14 years 9 months ago
2008
IEEE
In this paper, an effective multiresolution image representation using the combination of 2D quincunx filter bank (FB) and directional wavelet transform (WT) is presented. The pro...
SSIAI
2002
IEEE
14 years 17 days ago
2002
IEEE
We develop a novel measure of joint time-frequency localization applicable to equivalence classes of finite-length discrete signals, which are of increasing importance in modern ...
ICIP
2007
IEEE
14 years 9 months ago
2007
IEEE
This paper discusses how to utilize both magnitude and phase information obtained from the complex directional lter bank (CDFB) for the purpose of texture image retrieval. The rel...
ICIP
2004
IEEE
14 years 9 months ago
2004
IEEE
In this paper, we first propose a new family of geometrical image transforms that decompose images both radially and angularly. Our construction comprises two stages of filter ban...