From: Progressive Exponential Clustering-Based Steganography
Threshold
Image
Lena
0.0023
0.0063
0.0084
0.0115
Mandrill
0.0050
0.0068
0.0083
Airplane
0.0092
0.0450
0.0645
0.0914
Peppers
0.0011
0.0053
0.0073
0.0093