Table 7.
Summary of median and worst-case scenario thresholds and 95% confidence intervals (Head-Height = 30 cm).
| Seat Positions | Front-Right-Seat | Rear-Right-Seat | Rear-Middle-Seat | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||
| Thresholds | Units | Median | 95% CI Lower |
95% CI Higher |
Median | 95% CI Lower |
95% CI Higher |
Median | 95% CI Lower |
95% CI Higher |
|
| Daylight (L1)/NK Camera | Photograph Resolution | LPHH | 56.2 | 56.2 | 75.2 | 56.1 | 56.1 | 83.2 | 72.7 | 54.3 | 168.7 |
| Dynamic Range (Highlight) | Gray Step | 4.5 | 4 | 6 | 6 | 4 | 6 | 5 | 4 | 5 | |
| Dynamic Range (Shadow) | Gray Step | 9.5 | 9 | 10 | 8 | 8 | 10 | 10 | 8 | 10 | |
| Lens Distortion | % | 45 | 30 | 60 | 60 | 30 | 75 | 45 | 15 | 75 | |
| Motion Blur | mS | 33.3 | 25 | 40 | |||||||
| Seat Positions | Front-Right-Seat | Rear-Right-Seat | Rear-Middle-Seat | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||
| Thresholds | Units | Median | 95% CI Lower |
95% CI Higher |
Median | 95% CI Lower |
95% CI Higher |
Median | 95% CI Lower |
95% CI Higher |
|
| Daylight (L1)/PG Camera | Photograph Resolution | LPHH | 61.7 | 59.9 | 61.7 | 55.4 | 55.4 | 110.1 | 69.6 | 58.5 | 93.7 |
| Dynamic Range (Highlight) | Gray Step | 4 | 2.5 | 5 | 5 | 4 | 5.5 | 4 | 4 | 5 | |
| Dynamic Range (Shadow) | Gray Step | 10 | 9 | 13 | 8 | 6 | 9 | 9 | 7 | 10 | |
| Lens Distortion | % | 45 | 30 | 67.5 | 45 | 30 | 67.5 | 45 | 22.5 | 75 | |
| Motion Blur | mS | 36.7 | 25 | 40 | |||||||
| Seat Positions | Front-Right-Seat | Rear-Right-Seat | Rear-Middle-Seat | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||
| Thresholds | Units | Median | 95% CI Lower |
95% CI Higher |
Median | 95% CI Lower |
95% CI Higher |
Median | 95% CI Lower |
95% CI Higher |
|
| Dark (L2)/PG Camera | Photograph Resolution | LPHH | 60.9 | 52.4 | 60.9 | 55 | 55 | 93.6 | 120.5 | 51.7 | 120.5 |
| Dynamic Range (Highlight) | Gray Step | 4.5 | 4 | 5 | 3 | 2.5 | 4 | 4 | 3 | 4 | |
| Dynamic Range (Shadow) | Gray Step | 8 | 7 | 8 | 8 | 6.5 | 8 | 7 | 7 | 9 | |
| Lens Distortion | % | 45 | 30 | 60 | 52.5 | 30 | 75 | 45 | 15 | 75 | |
| Motion Blur | mS | 33.3 | 25 | 40 | |||||||
| Seat Positions | Front-Right-Seat | Rear-Right-Seat | Rear-Middle-Seat | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||
| Thresholds | Units | Median | 95% CI Lower |
95% CI Higher |
Median | 95% CI Lower |
95% CI Higher |
Median | 95% CI Lower |
95% CI Higher |
|
| Dark-BL (L3)/PG Camera | Photograph Resolution | LPHH | 72.9 | 55.9 | 89.9 | 49.6 | 49.6 | 71.5 | 47.4 | 47.4 | 96.9 |
| Dynamic Range (Highlight) | Gray Step | 4 | 3 | 5 | 4 | 3 | 4 | 3 | 3 | 5 | |
| Dynamic Range (Shadow) | Gray Step | 9 | 7.5 | 10 | 8 | 7 | 9 | 7 | 6 | 8 | |
| Lens Distortion | % | 45 | 30 | 60 | 45 | 30 | 67.5 | 45 | 15 | 75 | |
| Motion Blur | mS | 33.3 | 25 | 33.3 | |||||||
| Seat Positions | Front-Right-Seat | Rear-Right-Seat | Rear-Middle-Seat | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||
| Thresholds | Units | Median | 95% CI Lower |
95% CI Higher |
Median | 95% CI Lower |
95% CI Higher |
Median | 95% CI Lower |
95% CI Higher |
|
| Sunset-RW (L4)/NK Camera | Photograph Resolution | LPHH | 57.2 | 57.2 | 72.8 | 53.8 | 53.8 | 95.2 | 52.8 | 52.8 | 118.8 |
| Dynamic Range (Highlight) | Gray Step | 4 | 3 | 5 | 5.5 | 4.5 | 6 | 5 | 5 | 6 | |
| Dynamic Range (Shadow) | Gray Step | 10 | 8 | 10 | 10 | 9 | 18 | 10 | 9 | 20 | |
| Lens Distortion | % | 45 | 30 | 60 | 60 | 30 | 75 | 45 | 15 | 75 | |
| Motion Blur | mS | 33.3 | 25 | 40 | |||||||
| Seat Positions | Front-Right-Seat | Rear-Right-Seat | Rear-Middle-Seat | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||
| Thresholds | Units | Median | 95% CI Lower |
95% CI Higher |
Median | 95% CI Lower |
95% CI Higher |
Median | 95% CI Lower |
95% CI Higher |
|
| Sunset-RW (L4)/PG Camera | Photograph Resolution | LPHH | 46.5 | 46.5 | 93.6 | 87.1 | 55.7 | 108.5 | 55.6 | 55.6 | 126.1 |
| Dynamic Range (Highlight) | Gray Step | 3 | 2 | 4 | 4 | 2 | 5 | 5 | 4 | 5 | |
| Dynamic Range (Shadow) | Gray Step | 8 | 7 | 9 | 9 | 8 | 10 | 9 | 8 | 10 | |
| Lens Distortion | % | 45 | 30 | 60 | 60 | 30 | 75 | 30 | 15 | 75 | |
| Motion Blur | mS | 33.3 | 25 | 40 | |||||||
| Mean and Worst-Case Scenario Photograph Thresholds |
Unit | Mean | Worst-Case Scenario |
|---|---|---|---|
| Eighteen Photograph Resolution Thresholds | LPHH | 62.8 | 88.2* |
| Eighteen Dynamic Range (Highlight) Thresholds | Gray Step | 4.3 | 3 |
| Eighteen Dynamic Range (Shadow) Thresholds | Gray Step | 8.8 | 10 |
| Eighteen Lens Distortion Thresholds | % | 47.1 | 30 |
| Six Motion Blur Thresholds | mS | 33.9 | 33.3 |
*
The worst-case scenario condition resolution threshold = (120.5 × 69 + 51.7 ×61)/(69 + 61) = 88.2 LPHH (see discussion in Section 4.1)