4/28/20081Wavelets fundamentalsSpring 2008ELEN 4304/5365 DIP1by Gleb V. Tcheslavski: [email protected]Preliminaries When looking at images, we generally see connected regions of similar texture and intensity levels combined to formobjects. Small or low-contrast objects are better viewed at high resolution. If small and large objects are present it can beSpring 2008ELEN 4304/5365 DIP2are present, it can be advantageous to study them at different resolutions.From math viewpoint, images are 2D arrays of intensity values with locally varying statisticsthat result from different features.
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