Sparse-Representation-Based Direct Minimum 𝐿^𝑝-Norm Algorithm for MRI Phase Unwrapping

Figure 6

A comparison of the (a) weighted 𝐿⁰ measures and (b) execute time of the SDM𝐿^𝑃, conventional minimum 𝐿^𝑝-norm, PUMA, and PHUN methods in unwrapping the preceding four datasets.

(a)

(b)