The invention provides machine vision methods and apparatus for determining a calibration relationship between the imaging reference frame of an image acquisition device (e.g., a camera) and the motion reference frame of a moveable object (e.g., a motion stage) by positioning the object so that a fiducial...http://www.google.de/patents/US5978080?utm_source=gb-gplus-sharePatent US5978080 - Machine vision methods using feedback to determine an orientation, pixel width and pixel height of a field of view
Machine vision methods using feedback to determine an orientation, pixel ...