An Incremental Two-Dimensional Principal Component Analysis for Object Recognition

Table 1

Comparison of the classification rates on the block database.

	2DPCA [12]; (120 × 4)	I2DPCA; (120 × 4)	RC2DPCA [18]; (8 × 8)	IRC2DPCA; (8 × 8)
25	0.927	0.927	0.899	0.901
50	0.929	0.929	0.947	0.938
75	0.935	0.927	0.948	0.939
100	0.937	0.930	0.965	0.940
125	0.955	0.954	0.965	0.947
150	0.956	0.960	0.955	0.960
175	0.953	0.961	0.958	0.963
200	0.954	0.961	0.961	0.964
225	0.994	0.994	0.995	0.995
250	0.994	0.994	0.999	0.998