(1) See
fog computing.
(2) In computer graphics, simulating the effects of fog, smoke and haze. Similar to alpha blending, fogging is very computational. If the operation is performed in the graphics accelerator, the results are displayed considerably faster. See
alpha blending.
A Fogged Image
The original image (top) is shown with fogging applied to it (below). (Image courtesy of Intergraph Computer Systems.)