A Method for Extracting Features of Modern Folk Opera Performance Art Based on Principal Component Analysis

Table 1

Experimental data for different values of subvector dimensions.

Subvector dimension k	12	23	46	92	184	368	736	1472
Recognition (%)	85	85	84	82	81.5	81.5	81	81.5
Time (s)	2.23	11.89	21.78	31.83	42.87	51.94	60.08	82.92