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Proceedings Paper

Auto-Ranging And Normalization Versus Histogram Modifications For Automatic Image Processing Of Digital Radiographs
Author(s): Hartwig Blume; Kenji Kamiya
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Paper Abstract

Detectors of computed radiography systems have a very wide linear dynamic range Pnd enable faithful acquisition of image data, independent of the chosen x-ray exposure or the dynamic data range within the image. To yield consistently viewable images of satisfactory quality without direct user interaction with the image, semi-automatic scaling of the clinically useful data span to the available display range must be achieved. Three methods are discussed: Detector auto-ranging and renormalization of the filtered image, local histogram equalization, and anatomy specific auto-ranging of the filtered image. Presently, the first method is favored and employed clinically.

Paper Details

Date Published: 1 January 1987
PDF: 13 pages
Proc. SPIE 0767, Medical Imaging, (1 January 1987); doi: 10.1117/12.967021
Show Author Affiliations
Hartwig Blume, Philips Medical Systems, Inc. (United States)
Kenji Kamiya, Philips Medical Systems, Inc. (United States)


Published in SPIE Proceedings Vol. 0767:
Medical Imaging
Samuel J. Dwyer; Roger H. Schneider, Editor(s)

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