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The velocities of head movement in successive images through the analysis based on Gaussian fitting (in pixels/s).
| Tasks | μ | μ + σ (68.27%) | μ + 2σ (95.45%) | μ + 3σ (99.73%) |
|---|---|---|---|---|
| Game | 11 | 49.39 | 87.78 | 126.18 |
| Web surfing | 11 | 47.57 | 84.15 | 120.72 |
| Typing | 21 | 60.13 | 99.25 | 138.38 |
| Movie watching | 19 | 43.91 | 68.82 | 93.73 |
| Average | 11 | 49.66 | 88.32 | 126.98 |
