Research Article
Online Hierarchical Sparse Representation of Multifeature for Robust Object Tracking
Table 1
Tracking sequence in the experiments.
| Sequence | Frame | Main challenge |
| (1) Car4 | 659 | Occlusion and illumination change | (2) CarScale | 252 | Occlusion and scale change | (3) CarDark | 393 | Illumination change, occlusion, and motion blur | (4) FaceOcc2 | 812 | Occlusion and in-plane rotation | (5) Freeman1 | 326 | Scale change and view change | (6) Girl | 500 | Out of plane rotation, occlusion, and scale and pose change | (7) Shaking | 365 | Illumination change and pose change | (8) Woman | 569 | Scale change, view variation, and occlusion | (9) Jogging | 307 | Occlusion, abrupt motion, and scale change |
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