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15 February 2021Segmentation of retinal detachment and retinoschisis in OCT images based on improved U-shaped network with cross-fusion global feature module
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Changqing Yang,1 Xinjian Chen,1 Jinzhu Su,1 Weifang Zhu,1 Qiuying Chen,2 Jiayi Yu,2 Ying Fan,2 Fei Shi1

1Soochow Univ. (China)
2Shanghai General Hospital (China)
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Abstract
Retinal detachment (RD) refers to the separation of the retinal neuroepithelium layer (RNE) and retinal pigment epithelium (RPE), and retinoschisis (RS) is characterized by the RNE splitting into multiple layers. Retinal detachment and retinoschisis are the main complications leading to vision loss in high myopia. Optical coherence tomography (OCT) is the main imaging method for observing retinal detachment and retinoschisis. This paper proposes a U-shaped convolutional neural network with a cross-fusion global feature module (CFCNN) to achieve automatic segmentation of retinal detachment and retinoschisis. Main contributions include: (1) A new cross-fusion global feature module (CFGF) is proposed. (2) The residual block is integrated into the encoder of the U-Net network to enhance the extraction of semantic information. The method was tested on a dataset consisting of 540 OCT B-scans. With the proposed CFCNN method, the mean Dice similarity coefficient of retinal detachment and retinoschisis segmentation reached 94.33% and 90.29% and were better than some existing advanced segmentation networks.
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Changqing Yang,Xinjian Chen,Jinzhu Su,Weifang Zhu,Qiuying Chen,Jiayi Yu,Ying Fan, andFei Shi"Segmentation of retinal detachment and retinoschisis in OCT images based on improved U-shaped network with cross-fusion global feature module", Proc. SPIE 11596, Medical Imaging 2021: Image Processing, 1159621 (15 February 2021);https://doi.org/10.1117/12.2580665
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KEYWORDS
Image segmentation
Optical coherence tomography
Computer programming
Convolutional neural networks
Feature extraction
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Changqing Yang, Xinjian Chen, Jinzhu Su, Weifang Zhu, Qiuying Chen, Jiayi Yu, Ying Fan, Fei Shi, "Segmentation of retinal detachment and retinoschisis in OCT images based on improved U-shaped network with cross-fusion global feature module," Proc. SPIE 11596, Medical Imaging 2021: Image Processing, 1159621 (15 February 2021); https://doi.org/10.1117/12.2580665
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