Table 10.

Average accuracy (%) of the colon status classification

Features	Average Classification Accuracy (%)
	Without PCA	With PCA
		τ = 5%	τ = 2%	τ = 1%	τ = 0.1%
Texture	93.02	90.15	95.45	96.96	95.83
Color	94.31	94.31	89.77	90.52	95.45
Hybrid	93.93	92.04	93.93	97.72	95.45