DocumentCode :
3292629
Title :
A New Implementation of the Hyperanalytic Wavelet Transform
Author :
Adam, Joana ; Nafornita, Corina ; Boucher, Jean-Marc ; Isar, Alexandru
Author_Institution :
"Politehnica" Univ., Timisoara
Volume :
2
fYear :
2007
fDate :
13-14 July 2007
Firstpage :
1
Lastpage :
4
Abstract :
The property of shift-invariance associated with a good directional selectivity are important for the application of a wavelet transform in many fields of image processing. Unfortunately, the 2D discrete wavelet transform is shift-variant and has a reduced directional selectivity. These disadvantages can be attenuated if a complex wavelet transform is used. In this paper, we propose a new implementation of such a wavelet transform, recently introduced, the hyper analytic wavelet transform. It is quasi shift-invariant, it has a good directional selectivity, and a reduced degree of redundancy of 4 in 2D. The implementation proposed is very simple. The properties already mentioned are proved by simulation.
Keywords :
image processing; wavelet transforms; 2D discrete wavelet transform; complex wavelet transform; directional selectivity; hyperanalytic wavelet transform; image processing; shift invariance; Continuous wavelet transforms; Discrete wavelet transforms; Estimation; Filter bank; Image analysis; Image processing; Signal analysis; Wavelet analysis; Wavelet coefficients; Wavelet transforms;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Signals, Circuits and Systems, 2007. ISSCS 2007. International Symposium on
Conference_Location :
Iasi
Print_ISBN :
1-4244-0969-1
Electronic_ISBN :
1-4244-0969-1
Type :
conf
DOI :
10.1109/ISSCS.2007.4292747
Filename :
4292747
Link To Document :
بازگشت