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Wiener spectra of roentgen film-screen combinations

Mirandé, W.; Hoeschen, D.

Rontgen-Blatter; Zeitschrift für Rontgen-Technik und Medizinisch-Wissenschaftliche Photographie 38(3): 81-84

1985

ISSN/ISBN: 0300-8592
PMID: 3992138
Document Number: 250426
Radiographic noise of screen-film combinations used in medical diagnostics can be described quantitatively by means of a power spectrum (Wiener spectrum) by which the quantum mottle can be mathematically expressed. The authors present a measurement method for power spectra and the results obtained with several screen-film combinations. The influence of various parameters on the spectra is discussed, such as sensitivity, transfermodulation film-function, and noise.

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