The spiral method applied to the study of the microcalcifications in mammograms

  • Authors:
  • Sergio Vitulano;Andrea Casanova;Valentina Savona

  • Affiliations:
  • Dipartimento di Scienze Mediche Internistiche, Università di Cagliari, Cagliari, Italy;Dipartimento di Scienze Mediche Internistiche, Università di Cagliari, Cagliari, Italy;Dipartimento di Scienze Mediche Internistiche, Università di Cagliari, Cagliari, Italy

  • Venue:
  • ICIAP'05 Proceedings of the 13th international conference on Image Analysis and Processing
  • Year:
  • 2005

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Abstract

In this paper a linear transformation, the spiral method, is introduced; this transformation maps an image represented in a 3-D space into a signal in a 2-D space. Some features of the spiral are presented: for instance the topologic information of the objects in the image, their contours, areas and the shape of the objects themselves. Two different case-study are presented: the use of spiral method in order to evaluate the number, the size, the shape and the location of the microcalcifications by the use of signals related to the mammograms; entropy is proposed as a measure of the degree of the parenchyma disorder of the mammograms and its use for a system CAD.