Machine vision systems are now commonplace in factory automation systems. When building these systems, developers must carefully evaluate the type of product being inspected and how illumination and optics can be used to increase the contrast and resolution of captured images. Here are the most important steps when choosing the best optical filters for your system.

During an automated wheel and tire verification process, a global manufacturer began experiencing unacceptably high levels of false fails. It was determined that by employing a combination dome light and brick light configuration, a MidOpt Bandpass Filter, and multiple smart cameras, the wheels, tires and resulting assemblies could be successfully verified.