Exact(6)
Thus, the signal f itself is assumed sparse.
In CS, x from Equation 1 is assumed sparse (or compressible).
However, in [20], both the signal and the noise are assumed sparse, whereas in our case, the signal (normal vector) has only three components and is not at all sparse.
Approaches that model the corrupting noise as z=r 0+w, where r 0 is assumed sparse and w is a small ℓ 2-bounded noise, are also studied [26 30].
Although the statistics of SAR images imply that there was no basis or dictionary where the data could be assumed sparse, Rilling et al. [7] investigated two simple techniques, post processing and hybrid compressed sensing, to enhance the quality of the reconstructed SAR image in the non-compressible areas which could not be well described by a sparse approximation.
In this scenario, since the number of range-angle-Doppler bins, in which actual targets are detected, is much smaller than the total number of radar bins, most of reflection coefficients are zero, and thus, the radar signal model can be assumed sparse.
Similar(2)
In this paper we design blackbox and efficient linear maps φ that reduce the number of variables from n to r but maintain trdeg{φ fi }i= r, assuming sparse fi and small r.
By using an extensible link mechanophore model that assumes sparse mechanophore loading, we are able to utilize classical mechanics composite solutions for deformation fields in composites to predict mechanophore response as a function of macroscale stress, filler geometry, and component material properties.
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