no code implementations • 14 Feb 2021 • Yongwan Lim, Shrikanth S. Narayanan, Krishna S. Nayak
Spiral acquisitions are preferred in real-time MRI because of their efficiency, which has made it possible to capture vocal tract dynamics during natural speech.
no code implementations • 30 Jul 2019 • Rodrigo A. Lobos, W. Scott Hoge, Ahsan Javed, Congyu Liao, Kawin Setsompop, Krishna S. Nayak, Justin P. Haldar
First, it does not completely trust the information from autocalibration data, and instead considers the autocalibration and EPI data simultaneously when estimating low-rank matrix structure.
no code implementations • 10 Dec 2018 • Hung P. Do, Yi Guo, Andrew J. Yoon, Krishna S. Nayak
PURPOSE: To apply deep CNN to the segmentation task in myocardial arterial spin labeled (ASL) perfusion imaging and to develop methods that measure uncertainty and that adapt the CNN model to a specific false positive vs. false negative tradeoff.