Title :
On the initialization of the discrete wavelet transform algorithm
Author :
Abry, Patrice ; Flandrin, Patrick
Author_Institution :
Lab. de Phys., Ecole Normale Superieure de Lyon, France
Abstract :
The authors show that making use of the discrete wavelet transform to analyse data implies performing a preliminary initialization of the fast pyramidal algorithm. An approximation enabling easy performance of such an initialization is proposed.<>
Keywords :
approximation theory; filtering and prediction theory; signal processing; transforms; wavelet transforms; discrete wavelet transform algorithm; fast pyramidal algorithm; initialization; performance; Algorithm design and analysis; Band pass filters; Continuous wavelet transforms; Data analysis; Discrete wavelet transforms; Performance analysis; Sampling methods; Signal analysis; Signal processing algorithms; Wavelet analysis;
Journal_Title :
Signal Processing Letters, IEEE