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All The Pretty Pictures

By Leah Hoffmann
Communications of the ACM, September 2017, Vol. 60 No. 9, Pages 104-ff
10.1145/3121444
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UC Berkeley Professor Alexei Efros — Credit: Noah Berger / UC Berkeley

Despite the fact that he does not see very well, Alexei Efros, recipient of the 2016 ACM Prize in Computing and a professor at the University of California at Berkeley, has spent most of his career trying to understand, model, and recreate the visual world. Drawing on the massive collection of images on the Internet, he has used machine learning algorithms to manipulate objects in photographs, translate black-and-white images into color, and identify architecturally revealing details about cities. Here, he talks about harnessing the power of visual complexity.

You were born in St. Petersburg (Russia), and were 14 when you came to the U.S. What drew you to computer science?

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