Deep learning and texture-based semantic label fusion for brain tumor segmentation

L. Vidyaratne; M. Alam; Z. Shboul; K. M. Iftekharuddin

doi:10.1117/12.2292930

Abstract

Brain tumor segmentation is a fundamental step in surgical treatment and therapy. Many hand-crafted and learning based methods have been proposed for automatic brain tumor segmentation from MRI. Studies have shown that these approaches have their inherent advantages and limitations. This work proposes a semantic label fusion algorithm by combining two representative state-of-the-art segmentation algorithms: texture based hand-crafted, and deep learning based methods to obtain robust tumor segmentation. We evaluate the proposed method using publicly available BRATS 2017 brain tumor segmentation challenge dataset. The results show that the proposed method offers improved segmentation by alleviating inherent weaknesses: extensive false positives in texture based method, and the false tumor tissue classification problem in deep learning method, respectively. Furthermore, we investigate the effect of patient’s gender on the segmentation performance using a subset of validation dataset. Note the substantial improvement in brain tumor segmentation performance proposed in this work has recently enabled us to secure the first place by our group in overall patient survival prediction task at the BRATS 2017 challenge.

Citation Download Citation

L. Vidyaratne, L. Vidyaratne, M. Alam, M. Alam, Z. Shboul, Z. Shboul, K. M. Iftekharuddin, K. M. Iftekharuddin, } "Deep learning and texture-based semantic label fusion for brain tumor segmentation", Proc. SPIE 10575, Medical Imaging 2018: Computer-Aided Diagnosis, 105750D (27 February 2018); doi: 10.1117/12.2292930; https://doi.org/10.1117/12.2292930

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