Guess Who?

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An image is partitioned into a number of tiles. For each tile the dominant ImageLevel value is assigned to the whole tile and the tiles are assembled into one image. How small do the tiles need to be before you identify the image?
Contributed by: Ken Levasseur (UMass Lowell) (April 2011)
Open content licensed under CC BY-NC-SA
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The image used in this Notebook is in the public domain. For details, visit the Library of Congress website.
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"Guess Who?"
http://demonstrations.wolfram.com/GuessWho/
Wolfram Demonstrations Project
Published: April 21 2011