Cigarette making machine bobbin paper roll changing allowance detection system based on machine vision

The invention discloses a cigarette making machine bobbin paper roll changing allowance detection system based on machine vision. The system comprises an image acquisition unit, an image denoising unit, an image segmentation unit, an image edge detection unit and a calculation unit, the image acquisition unit acquires bobbin paper images, and the output end of the image acquisition unit is connected with the image denoising unit; the image de-noising unit is used for de-noising an image, the output end of the image de-noising unit is connected with the image segmentation unit, and the image segmentation unit is used for segmenting the de-noised image; the output end of the image segmentation unit is connected with the image edge detection unit, and the image edge detection unit positions the edge of the bobbin paper; the output end of the image edge detection unit is connected with the calculation unit, the calculation unit calculates the thickness of the bobbin paper, and when the thickness of the bobbin pap