From: Double JPEG compression forensics based on a convolutional neural network
QF 2/number of kernels
40
100
384
60
0.716 (51Â min)
0.728 (60Â min)
0.730 (120Â min)
80
0.793 (52Â min)
0.796 (60Â min)
0.796 (120Â min)