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Synthetic data
The image that is investigated in Table 4.6 is shown in Figure 4.7. Several properties of the lines are investigated, amongst others the length of the reconstructed lines and the position. Table 4.6 shows the real properties and the result of the reconstruction. First the real values are shown, followed by the results of the reconstruction which are labelled by an apostrophe. The error in length results from the wrong starting points of all three objects.
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The correspondence analysis has already shown, that it works accurate with synthetic data. The reconstruction only depends on the results of the correspondence analysis as well as the calibration. Using synthetic data the calibration parameters are known, thus the result depends only on the correspondence analysis. Despite the y coordinate of the start point, all properties are accurately calculated. As depicted in Figure 4.9, the breaking up of lines is the problem that all y coordinates have falsified values. The edge detector, as well as the line detector has problems with the crossing from the background to the ground plane.
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