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Dual-detection forest fire identification system through thermal imaging video and identification method thereof

An identification system and identification method technology, which are applied in the thermal imaging video dual-view forest fire identification system and its identification field, can solve problems such as interference, achieve low false alarm rate, high identification accuracy, good economic benefits and social effects Effect

Active Publication Date: 2013-01-16
NANJING ENBO TECH
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Problems solved by technology

However, the use of thermal imaging technology is susceptible to interference from heat sources such as vehicle engines

Method used

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  • Dual-detection forest fire identification system through thermal imaging video and identification method thereof
  • Dual-detection forest fire identification system through thermal imaging video and identification method thereof
  • Dual-detection forest fire identification system through thermal imaging video and identification method thereof

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Experimental program
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Embodiment Construction

[0024] The present invention will be further explained below in conjunction with the drawings.

[0025] Such as figure 1 As shown, the main part of the thermal imaging video double-checking forest fire recognition system includes a thermal imaging camera, a video camera, and a processing unit. Both the thermal imaging camera and the video camera transmit images to the processing unit, and the thermal imaging camera and the video camera are both located in On the cloud platform. The processing unit includes a thermal imaging analysis unit and a video image analysis unit; the thermal imaging analysis unit is used to determine whether it is a forest fire heat source or a vehicle heat source according to the shape change of the heat source image, the rhythm of light and dark, and the movement situation; the video image analysis unit includes smoke detection Unit and fire detection unit. The smoke detection unit is used to determine whether there is smoke based on the extended motion ...

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Abstract

The invention discloses a dual-detection forest fire identification system through a thermal imaging video and an identification method thereof. The identification system comprises a thermal imaging camera, a video camera and a processing unit, wherein both the thermal imaging camera and the video camera are in signal communication with the processing unit; the processing unit comprises a thermal imaging analysis unit and a video image analysis unit and calculates angular points of a heat source image and a video image as well as the affine equation between the thermal imaging camera and the video camera through matching the angular points to realize the mapping between a thermal imaging image and the video image; and the position corresponding to an abnormal heat source can be marked on the video image. The dual-detection forest fire identification system through the thermal imaging video and the identification method thereof are simple and practical, and have high identification accuracy and low missing and false report rate. In addition, the forest fire can be detected in low-speed cruising without adopting the fixed-point detection in a common pre-reserved point mode, the blind area of detection can be avoided, and the practicability is good.

Description

Technical field [0001] The invention relates to a forest fire identification system, in particular to a thermal imaging video dual-view forest fire identification system and an identification method thereof. Background technique [0002] At present, in the field of automatic fire alarm recognition, image recognition technology or thermal imaging technology is often used to realize fire detection and alarm. The use of image recognition technology for fire detection refers to the use of surveillance video, based on the characteristics of smoke or fire in the video and images, and the use of image processing technology to identify a fire detection method. In order to improve the recognition effect, it is necessary to learn the background image in advance. Therefore, the monitoring preset points are usually set, the monitoring preset points are called, and the smoke and fire alarms are identified through the prior knowledge of the background image. There are a large number of blind...

Claims

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Application Information

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IPC IPC(8): G08B17/00
CPCY02A40/28
Inventor 何铁军封晓强
Owner NANJING ENBO TECH
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