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Computer-aided method for image feature analysis and diagnosis in mammography

  • US 5,740,268 A
  • Filed: 09/29/1995
  • Issued: 04/14/1998
  • Est. Priority Date: 04/29/1994
  • Status: Expired due to Term
First Claim
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1. A method for automated detection in mammography of an abnormal anatomic region, comprising:

  • obtaining a digital image of an object including said anatomic region;

    processing said digital image to identify in said digital image locations which correspond to potential abnormal regions;

    determining an edge gradient for each of the locations identified in said processing step;

    comparing each edge gradient with at least one threshold, comprising comparing each edge gradient with a predetermined number; and

    eliminating locations identified in said processing step from consideration as an abnormal region based on a result of said comparing step, comprising eliminating those regions having an edge gradient exceeding said predetermined number.

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