Table 4. Intervals.

Conditions	Intervals for squamous cell carcinoma			Intervals for benign lesions
R channel $Re\ge 0$	0.6705	-	0.7143	0.7556	-	0.8239
R channel $Re<0$	0.6747	-	0.7194	0.7538	-	0.8233
R channel $Im\ge 0$	0.6732	-	0.7058	0.8106	-	0.8605
R channel $Im<0$	0.6722	-	0.7162	0.7544	-	0.8230
G channel $Re\ge 0$	0.6708	-	0.7146	0.7553	-	0.8237
G channel $Re<0$	0.6744	-	0.7191	0.7541	-	0.8234
G channel $Im\ge 0$	0.6732	-	0.7058	0.8106	-	0.8605
G channel $Im<0$	0.6722	-	0.7162	0.7544	-	0.8230
B channel $Re\ge 0$	0.6710	-	0.7145	0.7556	-	0.8239
B channel $Re<0$	0.6742	-	0.7193	0.7538	-	0.8233
B channel $Im\ge 0$	0.6732	-	0.7058	0.8106	-	0.8605
B channel $Im<0$	0.6722	-	0.7162	0.7544	-	0.8230
Grayscale $Re\ge 0$	0.6709	-	0.7149	0.7557	-	0.8240
Grayscale $Re<0$	0.6743	-	0.7189	0.7537	-	0.8231
Grayscale $Im\ge 0$	0.6732	-	0.7058	0.8106	-	0.8605
Grayscale $Im<0$	0.6722	-	0.7162	0.7544	-	0.8230