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

Table 3

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

Kernel PCA	10D				50D
	TP (%)	TN (%)	Acc. (%)	Time (s)	TP (%)	TN (%)	Acc. (%)	Time (s)
R	84.96	83.12	84.04	122.07	85.71	90.91	88.31	183.91
G	84.96	83.12	84.04	114.4	87.22	90.26	88.74	193.37
B	84.96	83.12	84.04	125.67	85.71	90.91	88.31	223.77
Gray	100	0	50.00	63.87	90.38	86.18	88.28	236.49
Y	82.71	86.36	84.54	112.78	87.22	90.26	88.74	188.15
Cb	84.96	83.12	84.04	111.67	87.81	90.91	89.36	186.7
Cr	84.96	83.12	84.04	111.58	85.71	90.91	88.31	186.62