Research Article
Model of Driver’s Eye Movement and ECG Index under Tunnel Environment Based on Spatiotemporal Data
Table 4
Time- and frequency-domain indicators of the driver’s heart rate variability.
| Items | Freeway | Tunnel | Mean | Sd | Mean | Sd |
| MEAN | 0.732 | 0.116 | 0.683 | 0.112 | SDNN | 0.052 | 0.043 | 0.067 | 0.076 | RMSSD | 0.062 | 0.092 | 0.082 | 0.101 | SDSD | 0.037 | 0.050 | 0.065 | 0.087 | HF | 0.821 | 0.095 | 0.797 | 0.078 | LF | 0.179 | 0.090 | 0.206 | 0.078 | LF/HF | 0.218 | 0.156 | 0.258 | 1.580 |
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