There is provided a method for imaging a workpiece by capturing successive frames of elongated stationary view across a workpiece transit path of the robot while the workpiece is transported by the robot. In order to obtain a working member image of successive frames, the robotic transit path is illuminated using a elongated illumination pattern traversing the transit path. Motion-induced image distortion is corrected by computing the exact positions of each of the respective frames along the transit path.
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