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Fig. 70: Draw lines along the road
As shown in the image below, you can use the boundary lines of the carriageway or any other line parallel to
the motion direction.
Be careful that the lines are drawn with accuracy, since an error in this step may negatively affect
the results of the calibration.
Fig. 71: Draw paralell lines to define the road
AI-ROAD 3D: 3D calibration – Step 2 - Case A
Draw the parallel vertical lines (green)
Fig. 72: Draw vertical lines for calibration
As shown in the image below, if there are vertical parallel lines (e.g. street lamps, buildings) you can use
them to perform the step 2 of the calibration.
AI-TRAFFIC
AI-ROAD 3D
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