Title :
Nonlinear image processor with a filter over /spl pi//2
Author :
Iturbe-Castillo, M.D. ; Trevino-Palacios, C.G. ; Sanchez-de-la-Llave, J.D. ; Olivos-Perez, L.I.
Author_Institution :
Instituto Nacional de Astrofisica, Opt. y Electron., Puebla, Mexico
Abstract :
It is found experimentally for a nonlinear image processor that phase objects are contrast enhanced and edge detection of amplitude objects is obtained when the self-induced filter produces phase shifts larger than /spl pi//2.
Keywords :
delay filters; edge detection; image processing; lenses; lighting; optical films; optical images; spatial filters; amplitude objects; edge detection; nonlinear image processor; phase objects; phase shifts; self-induced filter;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
