Post-calibration comparison of FEM prediction to thermal images at time = 235 s. a MRTI data interpolated onto the FEM mesh, b unfiltered MRTI data and filtered MRTI data, c Calibrated FEM prediction with Monte Carlo laser source term for heating using 20 of the 60 available thermal images for calibration, d filtered MRTI data and FEM prediction using Monte Carlo laser source term for heating, e Calibrated FEM prediction with Monte Carlo laser source term for heating using 50 of the 60 available thermal images for calibration, f filtered MRTI data and FEM prediction using Monte Carlo laser source term for heating.