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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 28, Iss. 18 — Sep. 15, 1989
  • pp: 3897–3901

Image microstructure model of radiographic film granularity

Kazuo Tanaka and Takao Sasaki  »View Author Affiliations


Applied Optics, Vol. 28, Issue 18, pp. 3897-3901 (1989)
http://dx.doi.org/10.1364/AO.28.003897


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Abstract

We compare the measured Wiener spectra of practical film graininess of radiographic granularity with theoretical results of the conventional random dot model and the extended random dot model which has been proposed previously. Comparing theoretical Wiener spectra and computer-generated random dot patterns with measured results, we found that whereas the extended random dot model can reproduce the experimental results in low frequency regions by using proper values of parameters of the model, the conventional random dot model cannot.

© 1989 Optical Society of America

History
Original Manuscript: August 26, 1988
Published: September 15, 1989

Citation
Kazuo Tanaka and Takao Sasaki, "Image microstructure model of radiographic film granularity," Appl. Opt. 28, 3897-3901 (1989)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-28-18-3897

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