Coal-mine underground image preprocessing method
An image preprocessing, coal mine technology, applied in the field of image processing
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[0062] Such as figure 1 A coal mine image preprocessing method shown includes the following steps:
[0063] Step 1, image acquisition; obtain the digital image of the area to be detected under the coal mine in real time through the CCD camera 1, and collect the digital image acquired by the CCD camera 1 synchronously through the video capture card 2 and according to the preset sampling frequency, and The digital images collected at each sampling moment are transmitted to the processor 3 synchronously.
[0064] The CCD camera 1 is connected with a video capture card 2 , and the video capture card 2 is connected with a processor 3 . In this step, the size of the digital image collected at each sampling moment is M×N pixels, where M is the number of pixels on each row in the collected digital image, and N is the number of pixels on each column in the collected digital image quantity.
[0065] Step 2, image processing: the processor 3 performs image processing on the digital im...
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