Automated detection of masses on whole breast volume ultrasound scanner: false positive reduction using deep convolutional neural network

Yuya Hiramatsu; Chisako Muramatsu; Hironobu Kobayashi; Takeshi Hara; Hiroshi Fujita

doi:10.1117/12.2254581

3 March 2017 Automated detection of masses on whole breast volume ultrasound scanner: false positive reduction using deep convolutional neural network

Yuya Hiramatsu, Chisako Muramatsu, Hironobu Kobayashi, Takeshi Hara, Hiroshi Fujita

Author Affiliations +

Proceedings Volume 10134, Medical Imaging 2017: Computer-Aided Diagnosis; 101342S (2017) https://doi.org/10.1117/12.2254581
Event: SPIE Medical Imaging, 2017, Orlando, Florida, United States

Abstract

Breast cancer screening with mammography and ultrasonography is expected to improve sensitivity compared with mammography alone, especially for women with dense breast. An automated breast volume scanner (ABVS) provides the operator-independent whole breast data which facilitate double reading and comparison with past exams, contralateral breast, and multimodality images. However, large volumetric data in screening practice increase radiologists’ workload. Therefore, our goal is to develop a computer-aided detection scheme of breast masses in ABVS data for assisting radiologists’ diagnosis and comparison with mammographic findings. In this study, false positive (FP) reduction scheme using deep convolutional neural network (DCNN) was investigated. For training DCNN, true positive and FP samples were obtained from the result of our initial mass detection scheme using the vector convergence filter. Regions of interest including the detected regions were extracted from the multiplanar reconstraction slices. We investigated methods to select effective FP samples for training the DCNN. Based on the free response receiver operating characteristic analysis, simple random sampling from the entire candidates was most effective in this study. Using DCNN, the number of FPs could be reduced by 60%, while retaining 90% of true masses. The result indicates the potential usefulness of DCNN for FP reduction in automated mass detection on ABVS images.

Citation Download Citation

Yuya Hiramatsu, Chisako Muramatsu, Hironobu Kobayashi, Takeshi Hara, and Hiroshi Fujita "Automated detection of masses on whole breast volume ultrasound scanner: false positive reduction using deep convolutional neural network", Proc. SPIE 10134, Medical Imaging 2017: Computer-Aided Diagnosis, 101342S (3 March 2017); https://doi.org/10.1117/12.2254581

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