Improving RLRN Image Splicing Detection with the Use of PCA and Kernel PCA

Table 2

Detection accuracy and computational time for RLRN with PCA in 10D and 50D.

PCA	10D				50D
	TP (%)	TN (%)	Acc. (%)	Time (s)	TP (%)	TN (%)	Acc. (%)	Time (s)
R	60.90	73.38	67.14	447.86	66.17	74.68	70.43	302.57
G	55.63	72.08	63.86	457.46	61.65	77.92	69.79	270.28
B	67.67	69.48	68.57	504.21	64.66	72.73	68.69	293.34
Gray	67.94	75.00	71.43	462.49	65.38	73.68	69.53	297.29
Y	54.89	72.73	63.81	449.55	59.40	70.78	65.09	275.09
Cb	81.20	87.01	84.11	203.25	87.97	93.51	90.74	182.66
Cr	83.46	92.21	87.83	187.71	90.98	87.66	89.32	187.93