Fire flame detection method and system

A flame detection and flame technology, which is used in character and pattern recognition, instruments, computer parts, etc., and can solve the problems of poor accuracy and small scope of fire detection methods.

Active Publication Date: 2017-05-10
GUANGDONG ANJUBAO DIGITAL TECH
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  • Abstract
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Problems solved by technology

[0005] Based on this, it is necessary to provide a flame detection method and system for the technical problems of poor accuracy and small application range of existing fire detection methods

Method used

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  • Fire flame detection method and system
  • Fire flame detection method and system

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Embodiment Construction

[0029] In order to further illustrate the technical means adopted by the present invention and the achieved effects, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and preferred embodiments.

[0030] Such as figure 1 as shown, figure 1 It is a flow chart of the flame detection method of one of the embodiments of the present invention, including the following steps:

[0031] Step S101: Use camera monitoring equipment to capture video stream images of the fire monitoring area, and extract motion history images from each frame of video stream images;

[0032] In practical application, the camera monitoring equipment set in the fire monitoring area, such as a camera, can be used to capture the video stream image of the fire monitoring area, and then extract the motion history image from the video stream image to obtain the motion history image.

[0033] The motion history image (Motion...

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Abstract

The invention relates to a fire flame detection method and system wherein the method comprises: using a photographing and monitoring device to photograph a video stream image of a fire monitoring area; extracting a motion history image from each frame of the video stream image; performing flame-like color pixel extraction on the video stream image to obtain a flame-like color image; performing AND operation on the motion history image and the flame-like color image and screening and selecting the flame region candidate blocks; screening the flame region candidate blocks of plural successive frames from the video stream image and obtaining the number of flame beats and the edge beating amplitude values of the flame region candidate blocks of the frame video image; according to the number of flame beats and the edge beating amplitude values, calculating and obtaining the probability to determine the flame region candidate blocks as a flame region; and when the probability exceeds a preset value, determining that the fire monitoring area corresponding to the flame region candidate blocks is on fire, therefore, increasing the accuracy to detect a fire.

Description

technical field [0001] The invention relates to the technical field of fire monitoring, in particular to a flame detection method and system. Background technique [0002] At present, the vast majority of fire monitoring still uses special sensors to detect smoke and fire, such as smoke sensors, temperature sensors, photosensitive sensors or composite sensors composed of these basic sensors. By-products produced during the combustion process, such as optical and optical properties, are used to detect fires. [0003] However, in other cases, these by-products may also be produced, which will lead to a high false alarm rate when using traditional sensor detection equipment to detect fire; in addition, each sensing point of traditional sensor detection equipment can only There are great limitations in monitoring the limited local space around, and it is not suitable for large open outdoor environments. [0004] To sum up, the existing fire detection methods have poor accuracy...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/46
CPCG06V20/42G06V10/56G06V10/44
Inventor 田飞王训平柯尊海
Owner GUANGDONG ANJUBAO DIGITAL TECH
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