Digital Image Processing Of Vascular Angiograms

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Abstract
A computer image processing technique has been developed to estimate the degree of athero sclerosis in the human femoral artery. With an angiographic film of the vessel as input, the computer has been programmed to estimate vessel abnormality through a series of measurements, some derived primarily from the vessel edge in formation and others from optical density vari ations within the lumen shadow. These measurements are combined into an atherosclerosis index, which as described below was found in a post-mortem study to correlate well with both visual and chemical estimates of atheroscle rotic disease.

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