Why does stacking helps to minimize the residuals / the coherency for fitting?

Multi-exponential MRI for breast cancer

Explain the following: (focus on the residuals. these are the lower 2 diagrams on every screenshot)

  • Why does stacking helps to minimize the residuals / the coherency for fitting?
  • There seems to be a (returning) pattern in residuals. What could possibly explain these patterns?
© 2020 Essaylane.com. All Rights Reserved. | Disclaimer: for assistance purposes only. These custom papers should be used with proper reference.