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Optical Engineering

Pseudocoloring for a dual-phase grating method
Author(s): Hai-Tao Cai; KhaiMum Fung
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Paper Abstract

A simple method for adjusting pseudocolor distributions of photographic images is described and demonstrated experimentally. This method is based on the technique for photographic phase image pseudocolor modulated by a grating. A reflecting ray path is introduced into a 4f system to produce diffraction of the dual-phase grating so that the pseudocolor at the output plane can be adjusted. The merit of this method is that many pseudocolor images with different color distributions can be obtained for each diffraction order.

Paper Details

Date Published: 1 September 1996
PDF: 6 pages
Opt. Eng. 35(9) doi: 10.1117/1.600860
Published in: Optical Engineering Volume 35, Issue 9
Show Author Affiliations
Hai-Tao Cai, Univ. of Hong Kong (Hong Kong)
KhaiMum Fung, Univ. of Hong Kong (Singapore)

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