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1·The subpixel line equations of two generatrices in two planes projected by the rotary object is obtained by the subpixel straight line edge detection method based on spatial moment.

采用基于空间矩的回转体像面目标直线边缘亚像素提取技术，获得回转体目标在每个像面上的两条母线的亚像素直线方程。