A paper counting method
A counting method and paper technology, applied in the field of counting, can solve the problems of inability to be widely used, slow counting speed, and high price, and achieve the effects of good promotion and application prospects, high counting accuracy, and fast counting speed.
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[0028] Put the coated paper to be counted flat on a mechanical platform, make the side of the paper neatly stick to the viewing window, connect a digital microscope with a USB interface and a magnification of 200 to the computer, and install the digital microscope provided by the manufacturer in the computer The driver and the Opencv software of the open source vision and image processing library carry out the following steps: 1. Obtain the color image of the side of the coated paper (about 2mm thick) through a digital microscope, and according to actual needs, intercept the appropriate range to obtain the following: figure 1 The image shown; 2. Grayscale the color image: the color image is generally composed of three channels of red, green, and blue. The data of one of the three blue channels is converted into a grayscale image. Which method is used depends on whether the converted grayscale image has good contrast and whether the lines can be clearly distinguished. This embo...
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