Logarithmic model-based dynamic range enhancement of hip X-ray images

Authors:
Corneliu Florea;Constantin Vertan;Laura Florea
Affiliations:
Image Processing and Analysis Laboratory, University "Politehnica" of Bucharest, Romania;Image Processing and Analysis Laboratory, University "Politehnica" of Bucharest, Romania;Image Processing and Analysis Laboratory, University "Politehnica" of Bucharest, Romania
Venue:
ACIVS'07 Proceedings of the 9th international conference on Advanced concepts for intelligent vision systems
Year:
2007

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Abstract

Digital capture with consumer digital still camera of the radiographic film significantly decreases the dynamic range and, hence, the details visibility. We propose a method that boosts the dynamic range of the processed X-ray image based on the fusion of a set of digital images acquired under different exposure values. The fusion is controlled by a fuzzy-like confidence information and the luminance range is oversampled by using logarithmic image processing operators.