Abstract:

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．

Key words: forest fire behavior, spread rate, image analysis, boundary, automatic extraction