Table 4 Confusion matrix on CK+ database

From: Facial expression recognition using optimized active regions

	Ha	Su	Fe	An	Di	Sa
Ha	99.62	0	0	0	0.38	0
Su	0	98.74	0	0.63	0	0.63
Fe	0	1.26	92.41	3.80	0	2.53
An	0	0	0	99.45	0.55	0
Di	0	0	0	0.86	99.14	0
Su	0	0	0	0.83	0	99.17

Italic values indicate the recognition accuracy of each expression

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