Landscape inverse problems

Oliver Knill, January 12, 2014
A recent regex golf joke rised an inverse problem on matching classes of words with regular expressions. Matching and inverse problems are central in mathematics. Here is an other inverse problem: find the best location on google earth which matches a given photo or painting. [ January 24, 2014: See Slate: reconstructing a Monet Masterpiece about work of some astronomers. ] Here is a marvelous picture of Harvard university by Richard Rummell (1848-1924). Lets try to match it with Google Earth: