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One of the technical challenges of the predication/residual encoding in motion estimated and compensated k-t FOCUSS is that after the prediction, the energy of the residual measurement is significantly reduced compared to the original measurement. This implies that the residual measurement should be judiciously used to recover important geometric features rather than background noise during residual...
A non-local motion compensation algorithm combined with k-t FOCUSS for high resolution compressed sensing cardiac cine imaging is proposed in this paper. While conventional non-local means algorithms use self-similarity, our method collects similar blocks from another reference frame that is obtained during diastole phase. We show that this non-local motion compensation is optimal in MMSE sense, if...
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