Title :
Fast calculation of continuous wavelet transform using polynomial
Author :
Omachi, Masako ; Omachi, Shinichiro
Author_Institution :
Tohoku Bunka Gakuen Univ., Sendai
Abstract :
This paper proposes an efficient calculation method of the continuous wavelet transform (CWT) at various scales. In the proposed method, the mother wavelet is represented by a polynomial. Then an efficient incremental algorithm for calculating the convolutions necessary for CWT using the polynomial is presented. Experimental results using two-dimensional data clarifies that the proposed method is much faster than the traditional methods.
Keywords :
multidimensional signal processing; polynomials; wavelet transforms; CWT; continuous wavelet transform; polynomial; two-dimensional data; Continuous wavelet transforms; Convolution; Discrete wavelet transforms; Notice of Violation; Pattern analysis; Pattern recognition; Polynomials; Signal processing; Wavelet analysis; Wavelet transforms; Wavelet transform; fast calculation; mother wavelet; polynomial;
Conference_Titel :
Wavelet Analysis and Pattern Recognition, 2007. ICWAPR '07. International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-1065-1
Electronic_ISBN :
978-1-4244-1066-8
DOI :
10.1109/ICWAPR.2007.4421725