Pseudocolor encoding of spatial frequency with interference filters

Year: 1984

Authors: Quercioli F., Molesini G.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy

Abstract: An optical analog pseudocolor technique in the object space is described to encode the spatial frequency content of an object transparency. The effect is obtained by means of a suitable matching of the source power spectrum with the transmittance characteristics of a non-blocked interference filter as a function both of the wavelength and the angle of incidence. Experimental demonstrations on object gratings is presented.

Journal/Review: JOURNAL OF OPTICS-NOUVELLE REVUE D OPTIQUE

Volume: 15 (2)      Pages from: 59  to: 63

KeyWords: Color coding; Spatio-temporal filtering; Optical processing; Pseudocolor encoding; Interference filters
DOI: 10.1088/0150-536X/15/2/002

Citations: 6
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