This is my "roundblobs" Java applet (January 18, 2008). An explanation is below.

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This applet allows the user to draw an image of their choice, and then have the computer attempt to find "blobs" of concentrated dots on the image. (The applet will later be expanded to find faces rather than just blobs, hence its name ... but I started small.) An explanation of the controls is as follows:

For now the Monte Carlo algorithm is very basic, but I plan to improve and expand it significantly in the months ahead. I also plan to allow for importing external images (e.g. photographs) rather than just drawing them.

Note that the algorithm does not "cheat" by making use of the order in which the dots were created, or which dots were created by the user and which ones at random. Rather, it makes use of the final image array and nothing more.

[Jeffrey Rosenthal / contact me / Return to my Vision Page / Applets Page]