k-t FOCUSS: a general compressed sensing framework for high resolution dynamic MRI.

  title={k-t FOCUSS: a general compressed sensing framework for high resolution dynamic MRI.},
  author={Hong Jung and Kyunghyun Sung and Krishna S. Nayak and Eung Yeop Kim and Jong Chul Ye},
  journal={Magnetic resonance in medicine},
  volume={61 1},
A model-based dynamic MRI called k-t BLAST/SENSE has drawn significant attention from the MR imaging community because of its improved spatio-temporal resolution. Recently, we showed that the k-t BLAST/SENSE corresponds to the special case of a new dynamic MRI algorithm called k-t FOCUSS that is optimal from a compressed sensing perspective. The main contribution of this article is an extension of k-t FOCUSS to a more general framework with prediction and residual encoding, where the prediction… CONTINUE READING
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