07-1 - Wavelets fundamentals

07-1 - Wavelets fundamentals - Wavelets fundamentals...

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4/28/2008 1 Wavelets fundamentals Spring 2008 ELEN 4304/5365 DIP 1 by Gleb V. Tcheslavski: [email protected] Preliminaries When looking at images, we generally see connected regions of similar texture and intensity levels combined to form objects. Small or low- contrast objects are better viewed at high resolution. If small and large objects are present it can be Spring 2008 ELEN 4304/5365 DIP 2 are present, it can be advantageous to study them at different resolutions. From math viewpoint, images are 2D arrays of intensity values with locally varying statistics that result from different features.
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