Topic: Colorization Using Optimization (Page 1 of 1)

So much for spending ever and a day on those old black and whites.

http://www.cs.huji.ac.il/~yweiss/Colorization/

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“It is dangerous to be right when the government is wrong.” Voltaire

AFAIR that's a Siggraph paper from 2004

Recolored actually implements this technique.