Dr. Chunchun Li Profile

Dr. Chunchun Li

at Guilin Univ. of Technology

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Proceedings Article | 18 December 2019 Paper

Research on target location method based on varistor image

Bo Gong, Lei Xiao, Chunchun Li, Tiejun Yang

Proceedings Volume 11342, 113420E (2019) https://doi.org/10.1117/12.2546948

KEYWORDS: Image segmentation, Image processing, Image filtering, Hough transforms, Mathematical morphology

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In order to more accurately locate and segment the varistor image to achieve the varistor image data set necessary for automatic construction of deep learning. This paper proposes a method for locating and stitching the body and stitch of varistor based on Hough transform and mathematical morphology. In order to obtain an image that eliminates surface reflection, the method first acquires a varistor image through a coaxial light source. Secondly, performing preprocessing on the image based on denoising, graying, and binarization; then, using the Hough transform based on circle detection to locate the body of the resistor; further separating the body and the stitches, firstly performing edge searching on the positioned body portion, and then performing background filling on the inside of the body, and finally using a mathematical morphology etching operation to eliminate the edge marks of the body to obtain the positioning of the stitches. The experiment aimed to locate and segment 91 varistor samples, and use the effective and correct data indicators to evaluate the segmentation results. The experimental results show that the actual results of the proposed method are ideal and have a good target segmentation effect, which is beneficial to provide reliable varistor image data sets necessary for deep learning.

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