Highly constrained backprojection for time-resolved MRI.

  title={Highly constrained backprojection for time-resolved MRI.},
  author={Charles A. Mistretta and Oliver E Wieben and Julia V. Velikina and Walter Block and Joel Perry and Kevin Johnson and Yijing Wu},
  journal={Magnetic resonance in medicine},
  volume={55 1},
Recent work in k-t BLAST and undersampled projection angiography has emphasized the value of using training data sets obtained during the acquisition of a series of images. These techniques have used iterative algorithms guided by the training set information to reconstruct time frames sampled at well below the Nyquist limit. We present here a simple non-iterative unfiltered backprojection algorithm that incorporates the idea of a composite image consisting of portions or all of the acquired… CONTINUE READING
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