A Precise Positioning Method for Circular Objects with Thickness Interference
A positioning method and precise positioning technology, which is applied in the directions of instruments, calculations, character and pattern recognition, etc., can solve the problem of large rotation angle error and achieve real-time detection, accurate detection and precise positioning, and high positioning accuracy.
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[0046] The present invention is further described below in conjunction with the accompanying drawings, but the scope of the present invention is not limited in any way.
[0047] 1. Operation process
[0048] Such as figure 1 As shown, the framework of the present invention can be divided into three parts: contour extraction of noise-removing points, processing of rotating mirror images, and precise positioning. In the stage of contour extraction of noise-removing points, thickness noise is removed by calculating the density of edge points. Based on the judgment of the position relationship between the center of the noise point and the major axis of the ellipse detected by the Hough transform detection, the target precise positioning part uses the detected ellipse information to perform precise target positioning through the precise positioning algorithm.
[0049] Second, the specific implementation process
[0050] The precise detection and positioning method of a circular o...
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