Table 2.

The average CNR values (mean value ± standard deviation) for all methods using the real data.

Method	Global CNR	Local CNR
Original	1.026 ± 0.345	1.558 ± 0.500
MedSubtract	5.074 ± 2.035	6.475 ± 3.109
PRMF	6.869 ± 2.461	8.955 ± 3.690
MoG-RPCA	6.941 ± 2.518	8.959 ± 3.644
IALM-RPCA	8.323 ± 2.974	9.909 ± 3.485
MCR-RPCA	9.898 ± 4.016	12.252 ± 5.094
VRBC-PG-RMC	11.266 ± 8.214	9.078 ± 3.245
VRBC-MC-NMF	11.098 ± 6.367	9.710 ± 4.149
VRBC-ScGrassMc	12.197 ± 6.848	10.700 ± 4.879
VRBC-LRTC	11.846 ± 9.199	9.717 ± 3.649
VRBC-tSVD	14.842 ± 9.887	11.722 ± 4.643
VRBC-t-TNN	14.976 ± 9.961	12.083 ± 4.789