Ravinder Gupta

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In mammography, national breast screening programmes have lead to a large increase in the number of mammograms needing to be studied by radiologists. Lesion indicators can be pointlike as in microcalcifications or extended as in stellate (spiculate) lesions or regular masses. Texture analysis has been proposed as a promising method for studying radiographic(More)
This paper discusses the quantitative measurement of arterial tortuosity. The measures described are a tortuosity coefficient, TC, based on the second derivative of the vessel midline and the distance factor, DF, defined as L/D - 1, where L is the vessel length and D is the straight line distance between the vessel end points. A tortuosity scale derived(More)
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