Abstract:Image measurement based on machine vision is a promising method for the precise measurement of workpiece. As for a large sized workpiece that exceeds the FOV (field of view) of the lens, series of images have to be taken and image mosaic must be performed to implement measurement. When the large workpiece to measure is lack of characteristics, we have to rely on the precise motion control system to locate the camera. However, positioning error will be introduced into the system because inaccuracy will inevitab… Show more
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