TABLE 2.

Performance comparison of models for predicting thickness values (mm): MAE, MSE, and RMSE Metrics (models depicted in bold are graphed in Figure 3).

Model	MAE	MSE	RMSE
MLR	0.29	0.13	0.36
PNR	0.30	0.14	0.38
RLR	0.32	0.15	0.39
FFN‐F	0.31	0.24	0.49
CNN‐F	0.71	0.89	0.94
FFN‐E	0.65	0.68	0.82
CNN‐E	0.64	0.66	0.81