Research Article
Segmentation Based Video Steganalysis to Detect Motion Vector Modification
Table 1
Detection accuracies (%) of improved NPELO and improved MVRBR using different number of categories.
| Number of categories | Parameter value
| Improved NPELO | Improved MVRBR | Cao’s | Yao’s | Wang’s | Cao’s | Yao’s | Wang’s |
| 1 | | 97.60 | 98.47 | 97.16 | 94.15 | 98.39 | 90.21 | 2 | | 97.86 | 98.88 | 97.50 | 95.50 | 98.41 | 91.68 | 3 | | 98.34 | 99.70 | 97.77 | 96.19 | 99.24 | 94.73 | 4 | | 98.28 | 99.61 | 97.93 | 95.93 | 99.35 | 94.64 | 5 | | 98.44 | 99.35 | 97.62 | 96.62 | 99.01 | 94.89 | 6 | | 98.24 | 98.61 | 98.20 | 96.20 | 98.61 | 93.84 |
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