RCU-Net: a novel network for retinal vessel segmentation

Siyu Liu; Junlin Guan; Yuxiang He; Xiaolong Wang; Shuigen Chen

doi:10.1117/12.2659371

22 November 2022 RCU-Net: a novel network for retinal vessel segmentation

Siyu Liu, Junlin Guan, Yuxiang He, Xiaolong Wang, Shuigen Chen

Proceedings Volume 12475, Second International Conference on Advanced Algorithms and Signal Image Processing (AASIP 2022); 1247511 (2022) https://doi.org/10.1117/12.2659371
Event: Second International Conference on Advanced Algorithms and Signal Image Processing (AASIP 2022), 2022, Hulun Buir, China

Abstract

The segmentation of fundus vascular images is a key step in retinal image processing and analysis. It plays an important role in the early prevention and diagnosis of eye diseases and blood system diseases. In view of the low accuracy of retinal blood vessel segmentation caused by the complex features of fundus images, the presence of soft, hard penetrant and bleeding noises, the low contrast between retinal blood vessels and background, uneven changes in width and curvature, small shape and blurred edges, this paper proposes a new network model RCU-Net for retinal vessel segmentation. Specifically, this paper proposes CBAM-Conv convolution block and RA-Conv convolution block based on visual attention mechanism (CBAM) and residual connection idea, which can make the network better use of the information at the spatial and channel levels. Experiments were carried out in public datasets DRIVE and CHASE_DB1. The accuracy, sensitivity, F1-Score and AUC of RCU-Net network on DRIVE datasets reached 96.75%, 82.02%, 81.45% and 98.33% respectively. Compared with the classical U-Net network, the proposed model can effectively improve the performance of retinal vessel segmentation.

Citation Download Citation

Siyu Liu, Junlin Guan, Yuxiang He, Xiaolong Wang, and Shuigen Chen "RCU-Net: a novel network for retinal vessel segmentation", Proc. SPIE 12475, Second International Conference on Advanced Algorithms and Signal Image Processing (AASIP 2022), 1247511 (22 November 2022); https://doi.org/10.1117/12.2659371

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KEYWORDS

Image segmentation

Blood vessels

Convolution

Data modeling

Image processing

Eye

Image enhancement

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