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Abstract #3865

Free-breathing and ungated cardiac imaging using calibrationless manifold smoothness regularization

Sunrita Poddar1, Xiaoming Bi2, Dingxin Wang2, and Mathews Jacob1

1University of Iowa, Iowa City, IA, United States, 2Siemens Healthcare

We introduce an image manifold smoothness regularization, coupled with spatial regularization, for high-resolution free-breathing and ungated cardiac cine imaging. Prior work in this area relied on additional navigators within each image frame to estimate the manifold structure. In this abstract, we focus on eliminating the need for navigators, which will provide improved sampling efficiency.

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