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Updated: Aug 15, 2026

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X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
Published on: September 11, 2011
Use of film duplicator to lighten dark radiographs
1Department of Radiology, St Mary's Hospital, Catholic University Medical College, Seoul, Korea.
Radiology
|August 1, 1992
Abstract:
The authors introduce a simple technique for lightening overexposed or overdeveloped dark radiographs. With the technique, an increase of exposure time in film duplicator allows production of duplicate radiographs with an appropriate tone. With this manipulation, image details are greatly improved, and the original radiograph is not damaged.
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