Décollage, in art, is the opposite of collage; instead of an image being built up of all or parts of existing images, it is created by cutting, tearing away or otherwise removing, pieces of an original image. Examples include inimage or etrécissements and excavations.
more: http://en.wikipedia.org/wiki/Decollage
for example:

others (small) by Jack Villegle
Posted by Stubbornson at December 31, 2006 12:17 PM