Application of Smart Pixels to Optical Implementation of the Wavelet Transform

The concept of wavelets is based on fundamental ideas in transform domain processing, which were first expressed centuries ago in a variety of forms. However, it is only within the past decade, since the pioneering work of Daubechies demonstrated the relationship between wavelets and subband transforms, that significant progress has been made in applying wavelet theory to practical signal processing problems. Since then, there has been an explosion of interest in wavelets and subband transforms for wide-ranging applications in signal processing, communications, biomedical techniques, and many interdisciplinary fields.

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