Machine vision camera
Machine vision refers to the automated analysis of images to determine characteristics of objects shown in them. Machine vision enables quicker, more accurate and repeatable results to be obtained in the production of both mass-produced and custom products. The use of advanced machine vision systems and their underlying software is increasingly employed in a variety of manufacturing and quality control processes. For example, machine vision technology is used in semiconductor wafer fabrication, pharmaceutical manufacturing, food processing, mailpiece processing, circuit board assembly, and many other areas. A machine vision system comprises at least one camera coupled with a computer. A computer is used to interpret an image taken from a camera thereby enabling a machine vision system to perform various tasks. Machine vision systems include one or more cameras (typically using CMOS or CCD imaging sensors) directed at an area of interest, frame grabber/image processing elements that capture and transmit CCD images, a computer and display for running the machine vision software application and manipulating the captured images, and appropriate illumination on the area of interest. In order to obtain an image, the camera exposes an array of light-sensitive devices to the image. The devices convert the light reflected from the object being imaged, into an electrical signal. The electrical signal is converted into digital data, which is transferred from the camera into the memory of the vision system. The vision system performs image processing and analysis on the image.
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