Wiener spectra of quantum mottle and structure mottle considering the effects of crossover exposure of front and back emulsions

Hidetaka Arimura, Takeshi Ikari, Mitsuhide Okamoto, Nobuyuki Nakamori, Hitoshi Kanamori, Hideaki Kubota, Masao Matsumoto, Atsushi Takigawa

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

By considering the relative spatial fluctuations of the exposure, including the crossover effect, causing quantum mottle and structure mottle for a dual screen/double-coated film system (dual system), we propose new equations of the Wiener spectra of the quantum mottle and the structure mottle, including the crossover effect, for front and back emulsions separately. For separating the Wiener spectra of the screen mottle into spectra of the quantum mottle and the structure mottle, we combined these new equations, using a method we proposed in 1992. We experimentally determined the Wiener spectra of the screen mottle, including the crossover effect, for the dual system for various densities at a tube voltage of 80 kV. We separated the density dependence of the Wiener spectra of the screen mottle into those of the quantum mottle and the structure mottle at various frequencies. The density dependence of the theoretical Wiener spectral values fitted the experimental Wiener spectral values of the screen mottle. These results show the validity of the new equations of the Wiener spectra of the quantum mottle and the structure mottle. Finally, from the results for various frequencies, we obtained the Wiener spectra of the quantum mottle and the structure mottle.

Original languageEnglish
Pages (from-to)148-156
Number of pages9
JournalJournal of Imaging Science and Technology
Volume39
Issue number2
Publication statusPublished - Mar 1 1995

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Emulsions
emulsions
crossovers
Electric potential
tubes
electric potential

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Chemistry(all)
  • Atomic and Molecular Physics, and Optics
  • Computer Science Applications

Cite this

Wiener spectra of quantum mottle and structure mottle considering the effects of crossover exposure of front and back emulsions. / Arimura, Hidetaka; Ikari, Takeshi; Okamoto, Mitsuhide; Nakamori, Nobuyuki; Kanamori, Hitoshi; Kubota, Hideaki; Matsumoto, Masao; Takigawa, Atsushi.

In: Journal of Imaging Science and Technology, Vol. 39, No. 2, 01.03.1995, p. 148-156.

Research output: Contribution to journalArticle

Arimura, H, Ikari, T, Okamoto, M, Nakamori, N, Kanamori, H, Kubota, H, Matsumoto, M & Takigawa, A 1995, 'Wiener spectra of quantum mottle and structure mottle considering the effects of crossover exposure of front and back emulsions', Journal of Imaging Science and Technology, vol. 39, no. 2, pp. 148-156.
Arimura, Hidetaka ; Ikari, Takeshi ; Okamoto, Mitsuhide ; Nakamori, Nobuyuki ; Kanamori, Hitoshi ; Kubota, Hideaki ; Matsumoto, Masao ; Takigawa, Atsushi. / Wiener spectra of quantum mottle and structure mottle considering the effects of crossover exposure of front and back emulsions. In: Journal of Imaging Science and Technology. 1995 ; Vol. 39, No. 2. pp. 148-156.
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