Detection method of flame
A flame detection and flame technology, which is applied in image data processing, instruments, character and pattern recognition, etc., can solve problems such as misjudgment and algorithm failure, and achieve the effects of simple operation, reduced monitoring cost, and easy realization
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[0035] Attached below figure 1 The implementation case of the present invention is described in detail:
[0036] This embodiment carries out fire detection to a video sequence in AVI format, its image frame size is 640x480, the frame rate is 24 frames per second, and the length of the entire video sequence is 1421 frames, such as figure 1 So, include the following steps:
[0037] The first step is to transform the image frame from the RGB color space to the YCrCb color space, and then calculate the average value of the Y, Cr, and Cb components of the entire image. If the Y, Cr, and Cb components of the pixel meet the conditions, it is judged as a flame point.
[0038] The described calculating formula that image frame is converted to YCrCb color space from RGB color space is:
[0039] Y=0.299×R+0.587×G+0.114×B
[0040] Cr=(R-Y)×0.713+128
[0041] Cb=(B-Y)×0.564+128
[0042] The calculation formula of described calculation Y, Cr, Cb mean value is as follows:
[0043] ...
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