Power transformation equipment temperature abnormity early warning method and system based on infrared visible light

The invention discloses a power transformation equipment temperature abnormity early warning method based on infrared visible light, and belongs to the technical field of power equipment early warning. The method comprises the following steps: acquiring an infrared band image and a visible light band image of power equipment; obtaining a power equipment image in the visible light wave band image; registering the electrical equipment image and an infrared band image to determine registration pixels of the electrical equipment image, and segmenting a temperature field of the electrical equipment based on the registration pixels to determine temperature features of the electrical equipment image; and based on the temperature characteristics, positioning an abnormal temperature area in the electrical equipment image, and sending out early warning information according to the positioned abnormal temperature area. According to the invention, the daily inspection efficiency of the operation and maintenance personnel