Equipment monitoring method, device and apparatus based on infrared and visible light image fusion

The embodiment of the invention discloses an equipment monitoring method, device and e apparatus based on infrared and visible light image fusion, and the method comprises the steps: obtaining a firstinfrared monitoring image and a first visible light monitoring image of a monitoring object, and determining an abnormal temperature region in the first infrared monitoring image based on a temperature dispersion judgment method; acquiring a visible light contour image of a target apparatus corresponding to an abnormal temperature area, and extracting a second infrared monitoring image of the target apparatus from the first infrared monitoring image by utilizing the visible light contour image; obtaining a second visible light monitoring image of the target apparatus, and performing fusion processing on the second visible light monitoring image and the second infrared monitoring image to obtain a fusion monitoring image of the target apparatus; and determining an operation state monitoring result of the target ap