An Incremental Two-Dimensional Principal Component Analysis for Object Recognition

Table 3

Comparison of the running memory on the block database.

	2DPCA [12]		I2DPCA		RC2DPCA [18]		IRC2DPCA
	Feature extraction memory(B)	Classification memory(B)	Feature extraction memory(B)	Classification memory(B)	Feature extraction memory(B)	Classification memory(B)	Feature extraction memory(B)	Classification memory(B)
25	14110	24457	8511	24649	14307	8351	8478	8318
50	24868	24076	8470	24084	26243	8339	8511	8335
75	38498	23470	8511	27308	38191	8335	8527	8314
100	49258	22876	8482	22884	50130	8306	8468	8310
125	60977	22310	8458	22306	62054	8310	8474	8351
150	72658	21934	8478	21958	73973	8339	8503	8314
175	84533	21188	8503	21385	86007	8347	8491	8318
200	96251	20774	8449	20738	98009	8343	8449	8335
225	107929	20189	8482	20189	109858	8331	8511	8351
250	119623	19599	8511	19591	121937	8331	8486	8302