Usage: mrcImageNormalizedSubstraction Options: [-i1[nput] In1 (NULL )] :Essential :InputDataFile [-i2[nput] In2 (NULL )] :Essential :InputDataFile [-nori2[nput] In2_tmp (NULL )] :Optional :OutDataFile [-o[utput] Out (NULL )] :Essential :OutputDataFile [-p[rameterfile] ParamFile (stdout )] :Optional :ParameterOutputFile [-m[ode] mode (0 )] :Optional :Mode -- Mode --- 1: Sigma!=1.0 2: Stdout 4: Reversed