Table 5.

Predicted image values and RMSE of four models for the test.

PDA no.	25	26	27	28	29	30	RMSE
Subject Assessment	5.33	2.33	4.33	5.67	2.33	4.33
QTTI	2.93	5.77	2.31	2.73	3.35	3.07	0.2343
GP	2.85	1.54	0.34	0.05	1.16	2.43	0.3143
NN-FE	5.08	6.28	3.57	4.18	5.32	8.22	0.2663
NN-FT	2.50	8.27	3.44	6.04	3.97	2.69	0.2875