Abstract In this paper, a systematic approach adopting sparse least-squares SVMs (LS-SVMs) is proposed to automatically detect fire using vision-based systems with fast speed and good performance. Within this framework, the features are first extracted from input images using wavelet analysis. The LS-SVM is then trained on the obtained dataset with global support vectors (GSVs) selected by a fast subset selection method, in the end of which the classifier parameters can be directly calculated rather than updated during the training process, leading to a significant saving of computing time. This sparse classifier only depends on the GSVs rather than all the patterns, which helps to reduce the complexity of the classifier and improve the generalization performance. Detection results on real fire images show the effectiveness and efficiency of the proposed approach.
A Systematic Fire Detection Approach Based on Sparse Least-Squares SVMs
2014-01-01
12 pages
Article/Chapter (Book)
Electronic Resource
English
Support Vector Machine , Discrete Wavelet Transform , Generalization Performance , Ridge Regression , Level Decomposition Computer Science , Artificial Intelligence (incl. Robotics) , Computational Intelligence , Computer Imaging, Vision, Pattern Recognition and Graphics , Simulation and Modeling , System Performance and Evaluation
A Systematic Fire Detection Approach Based on Sparse Least-Squares SVMs
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