Image acquisitionThe measurement is based on the features of the object in the image. Image processing algorithms usually use the information contained in the image to classify, such as edges, surfaces, or shapes. Different types of machine vision algorithms affect and extract one or more information. Edge detection and its derivative technology, such as concentric rake, rake, and spokes (rakes, concentric rakes, and spokes) for the image shown in the side. They can accurately locate the position of the edge of the object. The edge detection can be used to measure the width of a component, which is called a caliper. It is also possible to integrate multiple edges to calculate the intersection, projection, suitable orchards or ellipses.

Filename	Size	Update
图像采集.vi	106080	2017-12-01

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