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Ipsilateral-mammogram computer-aided detection helps reduce false positives.

Women's Health Weekly

| July 01, 2004 | COPYRIGHT 2004 NewsRX. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)Copyright

2004 JUL 1 - (NewsRx.com & NewsRx.net) -- Ipsilateral multi-view computer-aided detection (CAD) used with concurrent analysis results in fewer false-positive diagnoses than the current single-view CAD system, study results show.

In the journal Computerized Medical Imaging and Graphics, researchers at the H. Lee Moffitt Cancer Center & Research Institute presented "an ipsilateral multi-view computer-aided detection (CAD) scheme ... for mass detection in digital mammograms by exploiting correlative information of suspicious lesions between mammograms of the same breast."

They explained, "After nonlinear tree-structured filtering for image noise suppression, two wavelet-based methods, directional wavelet transform and tree-structured wavelet transform for image enhancement, and adaptive fuzzy C-means algorithm for segmentation are employed on each mammogram of the same breast, respectively.

"Concurrent analysis is developed for iterative analysis of ipsilateral multi-view mammograms by inter-projective feature matching analysis. [And a] supervised artificial neural network is developed as a classifier, in which the back-propagation algorithm combined with Kalman filtering is used as training algorithm, and free-response receiver operating characteristic analysis is used to test the performance of ...

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