Authors: Jang Chol Guk, Ra Song Nam, Kim Hyon Jin, Ri Yong Gwang, Yun Jong Gyong
In Brinell hardness measurement, the diameter measurement of the indentation is an important process related to the measurement accuracy.In this paper, a special image input device was designed to input the magnified image of the indentation to increase the accuracy of hardness measurement. Then, a method for determining Brinell hardness according to the indentation diameter obtained by Hough transform on the input image was established and implemented as a device using a single-board computer Raspberry Pi 3. The experimental results demonstrate that the designed measurement device can be used to provide the high accuracy and convenient measurement.
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[v1] 2024-06-13 20:58:43
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