When it comes to machine vision, don't oversimplify. Applications range from simple to complex, and there are many pixels in between. The gross inspections, such as presence and absence, tend to be the simple ones. Add some fine dimensional checks, contamination and defect detection, vision-guided motion or color recognition and a vision application can quickly become difficult.Machine vision exploded in the 1980s. I vaguely recall the billions of dollars spent by venture capitalists on its development. What I clearly remember are the dozens, dare I say hundreds, of vision manufacturers at that time. I can also clearly remember the difficulty working with the custom…
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