WOLFRAM|DEMONSTRATIONS PROJECT

Single Character Image Steganography

​
encrypted character
a
random grayscale image
random color image
random seed
100
originalimage
3.29
86.70
57.14
177.78
116.33
234.52
78.71
66.67
224.74
112.89
11.76
244.85
194.81
33.45
180.65
120.32
216.91
28.25
49.76
216.92
67.05
0.83
12.52
3.08
encryptedimage
2.01
87.34
57.22
176.69
116.45
234.92
78.31
67.26
224.88
112.44
12.05
244.96
194.76
32.13
180.71
120.47
216.85
28.11
50.20
216.85
66.26
0.00
12.05
2.01
adjustedsubtraction
1.29
-0.65
-0.08
1.09
-0.12
-0.40
0.40
-0.60
-0.14
0.46
-0.29
-0.11
0.05
1.32
-0.06
-0.15
0.06
0.14
-0.43
0.07
0.79
0.83
0.47
1.07
decryptedcharacter:
a
This Demonstration shows how a character can be hidden in an image with least significant bit substitution. You can see that the encrypted image is indistinguishable from the original. The "adjusted subtraction" image shows the difference between the images.