�In human color perception you have a light source, a surface, and a viewer, and the three interact. If you can�t change the surface, you can change the light source to change the color.�
Light projection as a tool in art conservation was first described and demonstrated by Canadian conservator Raymond Lafontaine using slide projectors in the 1980s. More recently, digital projectors have been used to restore items such as a Henry VIII tapestry in England�s Hampton Court and a Native American vessel at Purdue University. But restoring a large-scale painting, pixel by pixel, was something new.The Rothko Restorations at Harvard: November 2014.
Best of the Transparent Hummingbird