Fig. 6

False positive rate comparisons across different types of attacks. Here shown are the comparisons of false positive rate for four methods under different types of attacks. The upper left panel is for the type of white block overlapping attacks with block size growing; the upper right panel is for the black block overlapping attacks with block size growing; the lower left panel is for the white Mosaic overlapping attacks with block size growing; the lower right panel is for the pasting attacks with pasting area growing