对火场边缘的自动提取技术进行研究，通过线性分类器进行图像分割，实现火场边缘的自动提取。结果表明：由于火焰和其他物体差别较大，完全可以用线性分类器实现火场边缘的自动提取，从而为林火行为的自动分析测量系统的研究提供基础技术支持。
The key technology for constructing an automatic image analysis system for fire behavior is automatic extraction of fire characteristics by computer．The technology for extracting boundary of fire from image was studied in this paper．The results showed that because of the significant difference between flames and other objects in image，a linear classifier can be used to realize this，which provides basic technical support for construction of automatic image analysis system for fire behavior．
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