Automated Tongue Feature Extraction for ZHENG Classification in Traditional Chinese Medicine

Table 3

Tongue coating color classification: yellow versus white for gastritis patients.

Feature vector	Entire tongue						Middle tongue
	AdaBoost		SVM		MLP		AdaBoost		SVM		MLP
	𝐹-meas	CA	𝐹-meas	CA	𝐹-meas	CA	𝐹-meas	CA	𝐹-meas	CA	𝐹-meas	CA
𝜇𝐅⃗	0.681	69.16	0.757	76.64	0.752	76.17	0.761	77.57	0.796	80.84	0.773	78.04
{𝜇𝐅⃗,𝜎𝐅⃗}	0.743	74.77	0.792	79.44	0.774	77.57	0.764	76.64	0.799	80.37	0.767	77.10
med𝐅⃗	0.758	76.64	0.728	74.30	0.724	72.90	0.735	74.77	0.789	79.44	0.766	77.10
{med𝐅⃗,𝜎𝐅⃗}	0.763	76.64	0.801	80.37	0.767	77.10	0.781	78.50	0.775	77.10	0.811	81.31
𝜎𝐅⃗	0.747	75.70	0.797	79.91	0.783	78.50	0.747	74.77	0.777	77.57	0.783	78.97