From: Improving the evaluation of cardiac function in rats at 7T with denoising filters: a comparison study
SNR blood
SNR myocardium
CNR
No filter
12 ± 2
5 ± 1
6 ± 2
Anisotropic filter
82 ± 15
39 ± 7
43 ± 11
Total variation filter
192 ± 133
89 ± 60
103 ± 76
Optimized Rician
Non-local Means filter
110 ± 74
46 ± 35
64 ± 41