Heat source detection method and system based on infrared thermal imager and storage medium

Abstract

The invention discloses a heat source detection method based on an infrared thermal imager, which comprises a gradient division step and a heat source screening step, wherein the gradient division step includes the sub-steps of acquiring infrared raw bare data in the monitoring scene, solving the mean difference of coordinates of each pixel, establishing a mean difference two-dimensional array, and sequentially searching a pixel set located in each gradient on the basis of the mean difference from the center to the edge according to an infrared picture; and the heat source screening step includes the sub-steps of partitioning the pixel set belonging to the corresponding gradient, searching pixel blocks distributed according to the gradient of the infrared picture from the center outward from the first gradient, and screening out pixel blocks which are judged as fire sources / high temperature sources prone to starting a fire. The invention further discloses a heat source detection systembased on the infrared thermal imager and a storage medium. The heat source detection method and system based on the infrared thermal imager and the storage medium can identify a heat source more accurately, thereby reducing false alarms and missed alarms.

Description

Technical field [0001] The invention relates to the field of infrared monitoring and detection, in particular to a heat source detection method, system and storage medium based on an infrared thermal imager. Background technique [0002] Fire has brought a very big threat to our production and life. Once a fire occurs, it can cause major property losses at least, and severely threaten the lives and property safety of the people. Especially since the reform and opening up, a large number of electrical appliances have been widely used in our production and life. A little carelessness will inevitably cause fires, and fire hazards always exist around us. In order to avoid fire, reduce the loss caused by fire as much as possible. Usually by setting up a monitoring system, once a fire is discovered, it must be reported as soon as possible. At the same time, the fire must be controlled within the scope of ability, and the fire will be wiped out under the premise of ensuring personal sa...

AI Technical Summary

Problems solved by technology

[0012] However, the current heat source / fire detection system commonly used above has a relatively fixed application environment, complex engineering implementation, high cost and high cost, and its detection distance is relatively short and there are many false positives and negative negatives, so the recognition accuracy cannot be guaranteed.

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