Exploitation of correspondence between CC and MLO views in computer aided mass detection

Authors:
Saskia van Engeland;Nico Karssemeijer
Affiliations:
Department of Radiology, Radboud University Nijmegen Medical Centre, The Netherlands;Department of Radiology, Radboud University Nijmegen Medical Centre, The Netherlands
Venue:
IWDM'06 Proceedings of the 8th international conference on Digital Mammography
Year:
2006

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Abstract

In this paper we investigate the effect of reclassification of CAD findings using correspondences in MLO and CC views, with the aim of reducing false positives and inconsistencies. We use a method to link regions identified as suspicious in both projections and add a two-view classifier to an existing CAD scheme. The input of this two-view classifier was a feature vector containing the likelihood of malignancy of the region, the likelihood of malignancy of the corresponding region in the other view, and a number of features that describe the resemblance between the both regions. Using FROC analysis we show that detection results improve when using two-view information.