Research Article
Representation for Action Recognition Using Trajectory-Based Low-Level Local Feature and Mid-Level Motion Feature
Table 1
The accuracy comparisons of representation for action recognition on J-HMDB dataset and YouTube dataset.
| Datasets | Features | Low-level encoding | Two-layer model |
| JHMDB | HOF | 52.2% | 56.1% | -HOF | 53.9% | 57.3% | MBH | 58.4% | 62.9% |
| ā | HOF + -HOF + MBH | 62.9% | 67.4% |
| YouTube | HOF | 77.6% | 77.9% | -HOF | 75.2% | 77.0% | MBH | 84.2% | 85.0% |
| ā | HOF + -HOF + MBH | 85.3% | 87.6% |
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