Compressed Sensing-Based MRI Reconstruction Using Complex Double-Density Dual-Tree DWT

Figure 6

Analysis to find the optimum regularization parameters (for Coronal Brain data at sampling rate 0.25). (a) 𝜆₂ when 𝜆₁=0.002 for iCS method; (b) 𝜆₁ when 𝜆₂=0.001 for iCS method.

(a)

(b)