This is pretty amazing stuff. I think it's one of the best computer based colorisation algorithm i have seen...
http://www.cs.huji.ac.il/~yweiss/Colorization/
Very nice stuff and vibrant examples. If you are more interested in the mathematical concept, make sure you read the PDF article.
http://www.cs.huji.ac.il/~yweiss/Colorization/
Very nice stuff and vibrant examples. If you are more interested in the mathematical concept, make sure you read the PDF article.