Bing Wu1, Richard Watts2, Anthony Butler1, Rick Millane1, Philip Bones1
1Department of Electrical can Computer Engineering, University of Canterbury, Chirstchurch, New Zealand; 2Department of Physics and Astronomy, University of Canterbury, Christchurch, New Zealand
A new time resolved contrast enhanced MR angiography method is proposed, which allows the desired temporal resolution to be selected in post processing and hence achieves an optimal trade-off between temporal resolution and SNR. To further improve the reconstruction SNR, subtraction of the background signal is incorporated to achieve a much smaller object support constraint. The utility of the method is demonstrated using in vivo data sets obtained from a healthy volunteer.