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