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Conf Proc IEEE Eng Med Biol Soc. 2017 Jul;2017:1740-1743. doi: 10.1109/EMBC.2017.8037179.

Abnormality detection of mammograms by discriminative dictionary learning on DSIFT descriptors.


Detection and classification of breast lesions using mammographic images are one of the most difficult studies in medical image processing. A number of learning and non-learning methods have been proposed for detecting and classifying these lesions. However, the accuracy of the detection/classification still needs improvement. In this paper we propose a powerful classification method based on sparse learning to diagnose breast cancer in mammograms. For this purpose, a supervised discriminative dictionary learning approach is applied on dense scale invariant feature transform (DSIFT) features. A linear classifier is also simultaneously learned with the dictionary which can effectively classify the sparse representations. Our experimental results show the superior performance of our method compared to existing approaches.

[Indexed for MEDLINE]

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