Table 8.

Accuracy (%) of the colon status classification using color features

Number of Hidden Neurons	Classification Accuracy (%)
	Without PCA	With PCA
		τ = 5%	τ = 2%	τ = 1%	τ = 0.1%
10	96.96	96.96	92.42	84.84	92.42
15	87.87	95.45	87.87	96.96	98.48
20	93.93	90.9	92.42	86.36	96.96
25	98.48	93.93	86.36	93.93	93.93