Abstract
The determination of percent stenosis of coronary arteries is an important task in medicine. In this paper we discuss three different algorithms which can be used in conjunction with videodensitometry to measure this quantity. These algorithms may be used in subtracting the background under a vessel segment thus eliminating the need for a preinjection mask. Mathematical details of the algorithms and experimental results are presented.
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This work was supported in part by PHS Grant No. HL31440, awarded by the National Heart, Lung, and Blood Institute, DHHS. The authors also acknowledge a research grant awarded by Philips Medical Systems, Inc.
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Nalcioglu, O., Roeck, W.W., Reese, T. et al. Background subtraction algorithms for videodensitometric quantification of coronary stenosis. Machine Vis. Apps. 1, 155–162 (1988). https://doi.org/10.1007/BF01213002
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DOI: https://doi.org/10.1007/BF01213002