Table IX.

The sensitivity analysis of the belief threshold θ. %(> θ) represents the percentage of the scans predicted by the fine prediction stage; %(Correct & > θ) represents the percentage of the scans correctly classified by the rough prediction stage and further predicted by the fine prediction stage. MAE represents the MAE obtained by HRtoF accoring to the belief threshold θ. Mean and standard deviation of the values were obtained from the 10 times of 10-fold cross validation.

	% (> θ)	%(Correct & > θ)	MAE
θ = 0.99	0.71±0.021	0.69±0.008	40.1±1.8
θ = 0.89	0.89±0.007	0.74±0.005	32.1±1.2
θ = 0.90	0.91±0.007	0.76±0.008	32.7±1.5
θ = 0.80	0.93±0.008	0.78±0.012	34.8±1.7
θ = 0.60	0.97±0.008	0.81±0.014	35.6±1.8
θ = 0.50	0.98±0.005	0.82±0.012	36.7±2.4
θ = 0	1	0.83±0.010	36.9±2.9