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Does the Matlab image measurement module have measurement codes such as "caliper tools"?

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Andy Zhao
Andy Zhao 2021 年 3 月 18 日
Research topic: Measurement of inner and outer diameters of seal ring based on machine vision
Question: Does the Matlab image measurement module have measurement codes such as "caliper tool"?
——When machine vision methods are used in the industry for target recognition and size measurement, the Halcon developed by MVtec in Germany is more widely used. The green rectangle on the outline of the sealing ring in Figure 1 is Halcon's "caliper tool". The use of the caliper tool is relatively simple and powerful. When measuring the inner circle diameter and outer circle diameter of the sealing ring, a certain number of "calipers" can be set. The "calipers" can be evenly distributed on the contour of the sealing ring. The coordinates of the inner circle edge point and outer circle edge point on the seal ring contour in the "caliper rectangle" can be calculated according to the RANSAC (random sampling consistent) algorithm, and the inner diameter and outer diameter of the seal ring (in pixels).
——The subject I am doing is based on the needs of the company, and finally a GUI interface is needed. Halcon can be docked with C++ and C#, but I don't know C++ and C# too much, so I turned around and chose to use Matlab's GUI module to design "graphic user interface". At present, the basic functions have been implemented, and further optimization is needed in the later stage. I would like to ask you guys whether there is a similar "caliper tool" in the image processing module of Matlab, thank you guys.

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