Calculate Standardized Uptake Values based on body weight (SUVbw) See: https://github.com/dhaberl/Tools/tree/main/tools/suv_conversion for a more convenient version! Computes the SUVbw of PET scans from NumPy arrays. Reference: https://github.com/mvallieres/radiomics/blob/master/Utilities/computeSUVmap.m