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gemstone bearing image based on Fourier transform LI Cai-hong1,ZHU Xiao-Jun2 {lgf147852@tom.com1, wz20160401@163.com2} (1.Changchun Institute of Technology,Changchun 130021,China; 2.NanTong Normal College, Nantong 226010,China) Abstract. At present, the automatic detection method of boundary data of gem bearing image has the defect of poor detection effect. Therefore, an automatic detection method of boundary data of gem bearing image based on Fourier transform is proposed. Based on infrared imaging technology, the image of gem bearing is obtained, and the image is segmented by Fourier transform algorithm. On this basis, the boundary information of image area is judged by information measurement. According to the result of boundary information measurement of gem bearing image, the boundary data of gem bearing image is extracted by log operator, and the boundary data of image is detected by ant colony algorithm The automatic detection of boundary data of gem bearing image is realized. The experimental results show that compared with the traditional automatic detection method of gem bearing image boundary data, the proposed method greatly improves the detection effect, which fully shows that the proposed automatic detection method of gem bearing image boundary data has better performance.

Automatic detection method of boundary data of gemstone bearing image based on Fourier transform