期刊
COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE
卷 2019, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2019/2717454
关键词
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资金
- National Natural Science Foundation of China [61771007]
- Science and Technology Planning Project of Guangdong Province [2016A010101013, 2016B090918066, 2017B020226004]
- Science and Technology Program of Guangzhou, China [201704020060, 201807010057]
- Health & Medical Collaborative Innovation Project of Guangzhou City [201803010021, 201604020003]
- Fundamental Research Fund for the Central Universities [2017ZD051]
Mammography is successfully used as an effective screening tool for cancer diagnosis. A calcification cluster on mammography is a primary sign of cancer. Early researches have proved the diagnostic value of the calcification, yet their performance is highly dependent on handcrafted image descriptors. Characterizing the calcification mammography in an automatic and robust way remains a challenge. In this paper, the calcification was characterized by descriptors obtained from deep learning and handcrafted descriptors. We compared the performances of different image feature sets on digital mammograms. The feature sets included the deep features alone, the handcrafted features, their combination, and the filtered deep features. Experimental results have demonstrated that the deep features outperform handcrafted features, but the handcrafted features can provide complementary information for deep features. We achieved a classification precision of 89.32% and sensitivity of 86.89% using the filtered deep features, which is the best performance among all the feature sets.
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