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Multi-task Learning Approach for Automatic Diagnosis and Segmentation of Carotid Atherosclerosis Using Portable 3D Ultrasound

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机构: [1]School of Information Science and Technology, ShanghaiTech University, Shanghai, China [2]Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China [3]Shanghai Engineering Research Center of Intelligent Vision and Imaging, Shanghai, China
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关键词: ultrasound imaging multi-task learning segmentation diagnosis of carotid atherosclerosis

摘要:
Carotid artery segmentation and atherosclerosis identification are important in the diagnosis of carotid atherosclerosis. Conventional 2D ultrasound devices may overlook some plaque information of carotid atherosclerosis due to angle issues. This study proposed a multi-task learning method for automatically diagnosing carotid atherosclerosis and simultaneously segmenting carotid arteries to extract the 3D volume of plaque for further analysis. A 3D U-net was firstly employed for carotid segmentation, followed by integrating the segmentation results and original data volume into the classification module composed by another adapted 3D U-net. The accuracy of atherosclerosis identification was 90.0% with a sensitivity of 91.7% and a specificity of 89.3%. Meanwhile, the DSC from our approach were 0.9189 for lumen-intima boundary (LIB) and 0.9444 for vessel-wall-volume (VWV). The result of the proposed algorithm showed the potential of clinical implications for the diagnosis of carotid atherosclerosis using the portable 3D ultrasound imaging technique.

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第一作者机构: [1]School of Information Science and Technology, ShanghaiTech University, Shanghai, China
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