Optical sensing: techniques, benefits, costs : December 7-8, 1982, Teddington, Middlesex, England
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INPROCESS MEASUREMENT AND PROCESS CONTROL
AUTOMATIC OPTICAL INSPECTION
THE WAY AHEAD
accuracy algorithm applications automated automatic inspection automatic visual inspection Autoview binary image calibration camera capture area co-ordinate colour component contour pattern contrast data capture detection detector devices diameter display edge edge detection electronic engineering metrology error feeder fibre optic field of view film frame store gob weight graticule grating pitch grey level hardware heterodyne high speed illumination image processing industrial input Inspection System interface interferogram interferometer laser laser interferometer lens light limited linear machine tool maximum measuring system memory micrometres moire fringe monitor monochromator National Physical Laboratory object operation optical fibres optical metrology optical sensing parameters performance photodiode Photogrammetry photographic photomultiplier picture pixels points Polavision position processing system range resolution robot vision scan sensitivity shown in Figure shutter modulator speckle stereoscopic switching techniques television temperature threshold transducers TV line TV signal processor wavelength zone plate