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Data: images of ex-president George W. Bush and monkeys

Data cleaning: crop out individual 50 by 50 image of each face, and then turn them into grayscale.

Usage: user select one of the faces, and it will be turned into a collage of all input faces.

Algorithm:

  1. compute the average brightness of each input face
  2. replace each pixel of the selected face by one of the input faces that has the most similar brightness

Source code: download
Sample:

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