Dynamic Imaging Using Motion-Compensated Smoothness Regularization on Manifolds (MOCO-STORM)
2022 IEEE 19th International Symposium on Biomedical Imaging (ISBI)(2022)
摘要
We introduce an unsupervised deep manifold learning algorithm for motion-compensated dynamic MRI. We assume that the motion fields in a free-breathing lung MRI dataset live on a manifold. The motion field at each time instant is modeled as the output of a deep generative model, driven by low-dimensional time-varying latent vectors that capture the temporal variability. The images at each time inst...
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关键词
Manifolds,Magnetic resonance imaging,Heuristic algorithms,Dynamics,Time series analysis,Lung,Estimation
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