Table 2.

Percentage of noise reduction (SD metric) obtained with SAFIRE reconstruction at strength S3 versus traditional FBP for different kernels

Kernel	SD (HU)	$({\mathit{\text{SD}}}_{\mathit{\text{SAFIRE}}}-{\mathit{\text{SD}}}_{\mathit{\text{FBP}}})/{\mathit{\text{SD}}}_{\mathit{\text{FBP}}}(\%)$
FBP B31s SAFIRE I31s S3	19.09 12.44	$-35\%$
FBP B36s SAFIRE I36s S3	23.46 14.96	$-36\%$
FBP B40s SAFIRE I40s S3	22.9 14.56	$-36\%$
FBP B70s SAFIRE I70h S3	89.05 55.03	$-38\%$