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arXiv 1805.00357cs.CVcs.CYcs.LG

Domain and Geometry Agnostic CNNs for Left Atrium Segmentation in 3D Ultrasound

Technische Universität München(慕尼黑工业大学);TOMTEC Imaging Systems GmbH(TOMTEC成像系统有限公司);Whiting School of Engineering, Johns Hopkins University(约翰斯·霍普金斯大学怀廷工程学院)

Markus A. Degel, Nassir Navab, Shadi Albarqouni

英文摘要:

Segmentation of the left atrium and deriving its size can help to predict and detect various cardiovascular conditions. Automation of this process in 3D Ultrasound image data is desirable, since manual delineations are time-consuming, challenging and observer-dependent. Convolutional neural networks have made improvements in computer vision and in medical image analysis. They have successfully been applied to segmentation tasks and were extended to work on volumetric data. In this paper we introduce a combined deep-learning based approach on volumetric segmentation in Ultrasound acquisitions with incorporation of prior knowledge about left atrial shape and imaging device. The results show, that including a shape prior helps the domain adaptation and the accuracy of segmentation is further increased with adversarial learning.

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