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29 April 2005 Quantizing calcification in the lumbar aorta on 2-D lateral x-ray images
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In this paper we seek to improve upon the standard method of assessing the degree of calcification in the lumbar aorta, which is commonly used on lateral 2-D x-rays. The necessity for improvement arises from the fact that the existing method can not measure subtle progressions in the plaque development; neither is it possible to express the density of individual plaques. Both of these qualities would be desireable to assess, since they are the key for making progression studies as well as for testing the effect of drugs in longitudinal studies. Our approach is based on inpainting, a technique used in image restoration as well as postprocessing of film. In this study we discuss the potential implications of total variation inpainting for characterizing aortic calcification.
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Lars Arne Conrad-Hansen, Francois Lauze, Laszlo B. Tanko M.D., and Mads Nielsen "Quantizing calcification in the lumbar aorta on 2-D lateral x-ray images", Proc. SPIE 5747, Medical Imaging 2005: Image Processing, (29 April 2005);

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