Problem set 1 solution.

This thing is in Java 1.1, so, IE4 should work. Netscape chokes. Load the image (file name or a URL), set the brush size to whatever you want, pick a color and paint. All the checkboxes apply to the transform back from Freq to spatial domain, so don't bother clicking them when doing forward FFT. There are a few images available that you can get by name: gear.gif, blank.gif, lena.jpg and baboon.jpg