4.5 Article

Residual U-Network for Breast Tumor Segmentation from Magnetic Resonance Images

期刊

CMC-COMPUTERS MATERIALS & CONTINUA
卷 67, 期 3, 页码 3107-3127

出版社

TECH SCIENCE PRESS
DOI: 10.32604/cmc.2021.014229

关键词

UNet; segmentation; residual network; breast cancer; dice coefficient; MRI

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The study introduces a ResU-Net model for breast tumor segmentation, which accurately identifies tumor regions in contrast-enhanced MR images and demonstrates improved performance compared to other algorithms in experimentation.
Breast cancer positions as the most well-known threat and the main source of malignant growth-related morbidity and mortality throughout the world. It is apical of all new cancer incidences analyzed among females. Two features substantially influence the classification accuracy of malignancy and benignity in automated cancer diagnostics. These are the precision of tumor segmentation and appropriateness of extracted attributes required for the diagnosis. In this research, the authors have proposed a ResU-Net (Residual U-Network) model for breast tumor segmentation. The proposed methodology renders augmented, and precise identification of tumor regions and produces accurate breast tumor segmentation in contrast-enhanced MR images. Furthermore, the proposed framework also encompasses the residual network technique, which subsequently enhances the performance and displays the improved training process. Over and above, the performance of ResU-Net has experimentally been analyzed with conventional U-Net, FCN8, FCN32. Algorithm performance is evaluated in the form of dice coefficient and MIoU (Mean Intersection of Union), accuracy, loss, sensitivity, specificity, F1score. Experimental results show that ResU-Net achieved validation accuracy & dice coefficient value of 73.22% & 85.32% respectively on the Rider Breast MRI dataset and outperformed as compared to the other algorithms used in experimentation.

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