Shedding Light on Machine Vision

GIGO. It’s as true for information technology today as it ever was. Garbage in = garbage out. When it comes to machine vision, however, the old computer acronym can be updated: Good images = good output. For desirable machine vision GIGO, the first step in devising a vision system should be the lighting. You shed light on the subject and you capture whatever comes back to you with your camera and lens.