Journal
ENGINEERING APPLICATIONS OF ARTIFICIAL INTELLIGENCE
Volume 117, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engappai.2022.105601
Keywords
Breast tumor segmentation; Ultrasound image; Deep supervision; Residual learning; Deep learning
Categories
Funding
- National Natural Science Foundation of China
- [U1913207]
- [51875394]
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In this paper, a novel refinement residual convolutional network is developed to accurately segment breast tumors from ultrasound images. The network combines deep learning methods, including SegNet with deep supervision module, missed detection residual network, and false detection residual network. Experimental results demonstrate that the proposed method achieves the best segmentation results, indicating its superior adaptability for breast tumors segmentation.
Breast ultrasound images segmentation is one of the key steps in clinical auxiliary diagnosis of breast cancer, which seriously threatens women's health. Currently, deep learning methods have been successfully applied to breast tumors segmentation. However, blurred boundaries, heterostructure and other factors can cause serious missed detections and false detections in the segmentation results. In this paper, we developed a novel refinement residual convolutional network to segment breast tumors accurately from ultrasound images, which mainly composed of SegNet with deep supervision module, missed detection residual network and false detection residual network. In SegNet, we add six side-out deep supervision modules to guide the network to learn to predict precise segmentation masks scale-by-scale. In missed detection residual network, the receptive field provided by different dilation rates can provide more global information, which is easily lost in deep convolutional layer. The introduction of false detection and missed detection residual network can promotes the network to make more efforts on those hardly-predicted pixels to help us obtain more accurate segmentation results of the breast tumor. To evaluate the segmentation performance of the network, we compared with several state-of-the-art segmentation approaches using five quantitative metrics on two public breast datasets. Experimental results demonstrate that our method achieves the best segmentation results, which indicates that our method has better adaptability on breast tumors segmentation.
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