Visual appearance effect on modified reconstruction color images of optical Fourier transform hologram by means of digital image processing

Masayuki Iizuka; Makoto Kariya; Shinobu Uehara; Yoshio Nakashima; Mamoru Takamatsu

doi:10.1117/12.473795

4 June 2003 Visual appearance effect on modified reconstruction color images of optical Fourier transform hologram by means of digital image processing

Masayuki Iizuka, Makoto Kariya, Shinobu Uehara, Yoshio Nakashima, Mamoru Takamatsu

Author Affiliations +

Proceedings Volume 5005, Practical Holography XVII and Holographic Materials IX; (2003) https://doi.org/10.1117/12.473795
Event: Electronic Imaging 2003, 2003, Santa Clara, CA, United States

Abstract

A blue white He-Cd laser composed of three R/G/B component beams in place of He-Ne laser is directly applied to fabricate the optical Fourier transform hologram (OFTH) using the red sensitive silver halide material (SO-253 film) for holography. As a result, the red beams play an important role as the coherent beams in the fabrication of OFTH. A green solid state laser is applied to fabricate the OFTH using the same film for holography. The visual appearance of reconstruted color images caused by He-Cd laser is discussed in contrast to that of an ordinary OFTH which can be made using the He-Ne laser and solid state laser. The visual color effect using the He-Cd laser is checked from the viewpoint of the relative real size and its place in the OFTH, and the visual depth sensation of overlapped ghost images called cross-talk in the Fresnel hologram. The purpose using a commercially available software such as HSL color model is to carry out the intuitive modification of overlapped and deteriorated color images in the digital reconstruction of OFTH and Fresnel hologram.

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Masayuki Iizuka, Makoto Kariya, Shinobu Uehara, Yoshio Nakashima, and Mamoru Takamatsu "Visual appearance effect on modified reconstruction color images of optical Fourier transform hologram by means of digital image processing", Proc. SPIE 5005, Practical Holography XVII and Holographic Materials IX, (4 June 2003); https://doi.org/10.1117/12.473795

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KEYWORDS

RGB color model

3D image reconstruction

Holograms

Visualization

Helium cadmium lasers

Holography

Fourier transforms

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