Research Article
Human Action Recognition Using Improved Salient Dense Trajectories
Table 1
Average accuracy of dense trajectories and improved dense trajectories on two action datasets.
| | Method | Features | Average recognition accuracy | | KTH | UCF sports |
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Dense trajectories [16] | Trajectory displacement | 90.2% | 75.2% | | HOG | 86.5% | 83.8% | | HOF | 93.2% | 77.6% | | MBH | 95.0% | 84.8% | | Combined | 94.2% | 88.2% |
| | Improved DT | Trajectory displacement | 92.3% | 77.8% | | HOG | 86.9% | 84.3% | | HOF | 94.4% | 79.2% | | MBH | 93.8% | 84.5% | | Combined | 95.5% | 90.4% |
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