From: Screenshot identification by analysis of directional inequality of interlaced video
 |  | out |  |  |  | out |  |  |  | out |  |
---|---|---|---|---|---|---|---|---|---|---|---|
 | NS | SS | UN |  | NS | SS | UN |  | NS | SS | UN |
in | Â | Â | Â | in | Â | Â | Â | in | Â | Â | Â |
NS | 97.80 | 0.50 | 1.70 | NS | 97.53 | 0.70 | 1.77 | NS | 97.33 | 0.77 | 1.90 |
CS | 0.07 | 98.43 | 1.50 | CS | 0.07 | 98.53 | 1.40 | CS | 0.27 | 97.50 | 2.23 |
 | JPEG quality: 100 |  |  | JPEG quality: 90 |  |  | JPEG quality: 80 |  | |||
 |  | out |  |  |  | out |  |  |  | out |  |
 | NS | SS | UN |  | NS | SS | UN |  | NS | SS | UN |
in | Â | Â | Â | in | Â | Â | Â | in | Â | Â | Â |
NS | 97.73 | 0.60 | 1.67 | NS | 97.90 | 0.87 | 1.23 | NS | 98.13 | 0.97 | 0.90 |
CS | 0.03 | 98.77 | 1.20 | CS | 0.13 | 98.93 | 0.93 | CS | 0.17 | 98.83 | 1.00 |
 | JPEG quality: 70 |  |  | JPEG quality: 60 |  |  | JPEG quality: 50 |  | |||
 |  | out |  |  |  | out |  |  |  | out |  |
 | NS | SS | UN |  | NS | SS | UN |  | NS | SS | UN |
in | Â | Â | Â | in | Â | Â | Â | in | Â | Â | Â |
NS | 98.90 | 0.77 | 0.33 | NS | 99.17 | 0.50 | 0.33 | NS | 99.37 | 0.10 | 0.53 |
CS | 1.30 | 95.43 | 3.10 | CS | 1.17 | 95.73 | 3.10 | CS | 2.43 | 93.93 | 3.63 |
 | JPEG quality: 40 |  |  | JPEG quality: 30 |  |  | JPEG quality: 20 |  |