Optical parallel Dempster-Shafer calculations
H. John Caulfield, Ivan Kadar · Applied Optics · 1989
The Dempster-Shafer formalism allows us to update certainties (both beliefs and plausibilities) by taking into account indications from new knowledge sources. We show here that optical parallel Dempster's rule of combination computation is practical because all operations can be broken up into two which have previously been shown to be ideal for optics: vector outer product formation and spatial remapping. Easily available technologies lead us to a device capable of ~10(5) belief updates per second.