Use of joint two-view information for computerized lesion detection on mammograms: improvement of microcalcification detection accuracy

Berkman Sahiner; Metin Nafi Gurcan; Heang-Ping Chan; Lubomir M. Hadjiiski; Nicholas Petrick; Mark A. Helvie M.D.

doi:10.1117/12.467220

9 May 2002 Use of joint two-view information for computerized lesion detection on mammograms: improvement of microcalcification detection accuracy

Berkman Sahiner, Metin Nafi Gurcan, Heang-Ping Chan, Lubomir M. Hadjiiski, Nicholas Petrick, Mark A. Helvie M.D.

Author Affiliations +

Proceedings Volume 4684, Medical Imaging 2002: Image Processing; (2002) https://doi.org/10.1117/12.467220
Event: Medical Imaging 2002, 2002, San Diego, California, United States

Abstract

We are developing new techniques to improve the accuracy of computerized microcalcification detection by using the joint two-view information on craniocaudal (CC) and mediolateral-oblique (MLO) views. After cluster candidates were detected using a single-view detection technique, candidates on CC and MLO views were paired using their radial distances from the nipple. Object pairs were classified with a joint two-view classifier that used the similarity of objects in a pair. Each cluster candidate was also classified as a true microcalcification cluster or a false-positive (FP) using its single-view features. The outputs of these two classifiers were fused. A data set of 38 pairs of mammograms from our database was used to train the new detection technique. The independent test set consisted of 77 pairs of mammograms from the University of South Florida public database. At a per-film sensitivity of 70%, the FP rates were 0.17 and 0.27 with the fusion and single-view detection methods, respectively. Our results indicate that correspondence of cluster candidates on two different views provides valuable additional information for distinguishing false from true microcalcification clusters.

Citation Download Citation

Berkman Sahiner, Metin Nafi Gurcan, Heang-Ping Chan, Lubomir M. Hadjiiski, Nicholas Petrick, and Mark A. Helvie M.D. "Use of joint two-view information for computerized lesion detection on mammograms: improvement of microcalcification detection accuracy", Proc. SPIE 4684, Medical Imaging 2002: Image Processing, (9 May 2002); https://doi.org/10.1117/12.467220

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