Knob identification method based on digital image processing
A digital image and recognition method technology, applied in image data processing, character and pattern recognition, image enhancement and other directions, can solve the problems of large data processing workload, low reliability, low recognition efficiency, etc. Improve the efficiency of detection and the effect of high feasibility
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[0034] Hereinafter, the present invention will be specifically introduced with reference to the drawings and specific embodiments.
[0035] As attached figure 1 As shown, taking the status of the knob of an instrument cabinet as an example, a method for identifying a knob based on digital image processing of the present invention includes the following steps:
[0036] S1: Use a digital camera or camera at a fixed position to obtain an area image of the instrument cabinet, and the knob is placed in the area image; it is convenient for image processing, and the area image can be further zoomed to a certain size;
[0037] S2: Preprocess the regional image to obtain a noise-removed image; avoid in the process of identifying the knob, when the image brightness is low, the background and the knob are not highly distinguished, which is easy to be confused; and the text around the knob and the knob If they are too close, they may be fused with the knob during processing; thus, an image with ...
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