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An interactive demonstration of the system is available on the World Wide Web at http://www.cs.cmu.edu/~har/faces.html, which allows anyone to submit images for processing by the face detector, and to see the detection results for pictures submitted by other people.

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Dr. Woodward Yang at Harvard provided over 400 mug-shot images which we used for training.

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Test Sets A and C are available over the World Wide Web, at the URL http://www.cs.cmu.edu/~har/faces.html.

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After trying to arrange these images compactly by hand, we decided to use a more systematic approach. These images were laid out automatically by the PBIL optimization algorithm [1]. The objective function tries to pack images as closely as possible, by maximizing the amount of space left over at the bottom of each page.