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Proceedings Paper

Optimum exposure factors of soft x-ray radiographs for the best object recognition
Author(s): Hitoshi Kanamori; Yoshiaki Ozaki; Hideaki Kubota; Masao Matsumoto
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Paper Abstract

The method for obtaining optimum exposure factors of tube voltage and mAs value (the product of the tube current and the exposure time) is illustrated. For this purpose, attenuation curves of the energy absorbed in emulsion layers and characteristic curves of film, in which the absorbed energy is used as the input instead of exposure, are derived. In addition, the knowledge of the minimum perceptible contrast and the optimum film density is required.

Paper Details

Date Published: 21 April 1995
PDF: 8 pages
Proc. SPIE 2501, Visual Communications and Image Processing '95, (21 April 1995); doi: 10.1117/12.206738
Show Author Affiliations
Hitoshi Kanamori, Kyoto Institute of Technology (Japan)
Yoshiaki Ozaki, Kyoto Prefectural Police Headquarters (Japan)
Hideaki Kubota, Shiga Univ. (Japan)
Masao Matsumoto, Osaka Univ. (Japan)

Published in SPIE Proceedings Vol. 2501:
Visual Communications and Image Processing '95
Lance T. Wu, Editor(s)

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