Automatic detection method for brake shoe borer loss fault of railway wagon
A railway freight car, automatic detection technology, applied in the field of image processing, can solve the problems of brake shoe brazing loss, time-consuming and laborious maintenance costs, etc., and achieve the effect of reducing the possibility of false detection and reducing the amount of calculation
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[0021] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments, but the scope of protection of the present invention is not limited to the following embodiments.
[0022] Such as figure 1 As shown, this embodiment processes the brake shoe brazing part image (1400×1024 pixels) collected on the railway site. These images have significant lighting changes, and the background and brake shoe shapes are complex. This embodiment includes the following steps:
[0023] In the first step, since the relative position between the high-speed camera and the brake shoe brazing part remains basically unchanged when shooting, the brake shoe brazing basically appears in a quarter of the image of the brake shoe brazing part. Therefore, in the actual detection process, a complete brake shoe brazing image is first divided into four regions (700×512 pixels) of equal size, and these four regions are detected s...
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