Contour Extraction of Rail Based on Image Processing
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摘要: 讨论对钢轨断面图像的轮廓提取和钢轨断面关键点的选取,利用幂次变换直接对像素进行非线性运算,提取钢轨断面轮廓线.断面图像的起始点定位与轨形细化,兼顾了处理精度和速度的要求.Abstract: Contour extraction and the key point selection of the rail cross-section were mainly discussed. Con-tour extraction was realized by using power transformation nonlinear operation to pixel. Location of cross-sec-tion image initiation point and thinning of contour line met the requirement of accuracy and speed.
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Key words:
- rail cross-section /
- infrared laser source /
- image processing
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