Compressed Sensing MRI Reconstruction Algorithm Based on Contourlet Transform and Alternating Direction Method

Table 1

Comparisons of different algorithms.

	PSNR (dB)	CPU time (s)
Algorithm 1 with Contourlet	48.28	4.52
SparseMRI	36.71	16.17
ICOTA	45.79	15.46
FICOTA	46.93	7.79
SpaRSA	38.46	14.52
Algorithm 1 with wavelet	42.27	4.21