Open Access
Table 4
Picture definition effects on form factors and irradiance estimation from cut-out silhouette. Only p pixels corresponding to incandescent materials are considered here.
| Definition | Difference with 4,640×3,472 px | ||||
|---|---|---|---|---|---|
| Width | Height |  |
EIR |  |
Δ EIR |
| px | px | sr | W/m2 | ||
| 4,640 | 3,472 | 0.032328 | 1,196 | (original picture) | |
| 2,320 | 1,736 | 0.030887 | 1,119 | −3.89% | −6.44% |
| 1,160 | 868 | 0.029056 | 1,030 | −872% | −13.88% |
| 580 | 434 | 0.028038 | 979 | −11.67% | −18.14% |
| 290 | 217 | 0.027737 | 945 | −12.60% | −20.99% |
| 145 | 109 | 0.030471 | 1,024 | −4.89% | −14.38% |
| 73 | 55 | 0.035891 | 1,122 | +11.06% | −6.19% |
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