Machine vision is making more and more sense ... now. Until recently, many manufacturers were unwilling or unable to implement machine vision for quality control and inspection applications. This reluctance stemmed from the expense of machine vision solutions, the level of expertise required to use them, and a perception (sometimes real) that machine vision was unreliable. With the advent of PC-based machine vision technology and in response to the demands for quality control at every phase of the manufacturing process, system costs have dropped significantly, and new costeffective, user-friendly solutions have appeared on the market. In fact, because of the wide selection of machine vision options available, the problem now is choosing which type of solution is best for your application. Here is an overview of the range of machine vision solutions available for quality assurance and inspection applications in manufacturing, some key features, advantages and disadvantages, and guidelines for when to use each type.
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