Detection of single and clustered microcalcifications in mammograms using fractals models and neural network (Articolo in rivista)

Type
Label
  • Detection of single and clustered microcalcifications in mammograms using fractals models and neural network (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.medengphy.2003.11.009 (literal)
Alternative label
  • Bocchi L., Coppini, G., Nori J., Valli G. (2004)
    Detection of single and clustered microcalcifications in mammograms using fractals models and neural network
    in Medical engineering & physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bocchi L., Coppini, G., Nori J., Valli G. (literal)
Pagina inizio
  • 303 (literal)
Pagina fine
  • 312 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 26 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dept Electronics & Telecommunications, Univ of Florence, Florence, Italy; CNR Institute of Clinical Physiology, Pisa, Italy; Mammographic Unit, ASL 10/D, Florence, Italy (literal)
Titolo
  • Detection of single and clustered microcalcifications in mammograms using fractals models and neural network (literal)
Abstract
  • Microcalcifications (?Cas) are often early signs of breast cancer. However, detecting them is a difficult visual task and recognizing malignant lesions is a complex diagnostic problem. In recent years, several research groups have been working to develop computer-aided diagnosis (CAD) systems for X-ray mammography. In this paper, we propose a method to detect and classify microcalcifications. In order to discover the presence of ?Cas clusters, particular attention is paid to the analysis of the spatial arrangement of detected lesions. A fractal model has been used to describe the mammographic image, thus, allowing the use of a matched filtering stage to enhance microcalcifications against the background. A region growing algorithm, coupled with a neural classifier, detects existing lesions. Subsequently, a second fractal model is used to analyze their spatial arrangement so that the presence of microcalcification clusters can be detected and classified. Reported results indicate that fractal models provide an adequate framework for medical image processing; consequently high correct classification rates are achieved. (literal)
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