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| A Recognition Approach for Cigarette Smoke Based on MI-Simba |
| HU Chun-Hai, WANG Xiao-Jing, LIU Bin, SU Xiang-Yu, GUO Shi-Liang |
| Key Laboratory of Measurement Technology and Instrumentation, Institute of Science and Technology Yanshan University, Qinhuangdao, 066004 |
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Abstract To overcome the uncertainty of smoke characteristics caused by the environment background, inhibit the redundancy between video smoke features, and improve the recognition rate simultaneously, a MI-Simba algorithm combining mutual information and simbafor recognizing cigarette smoke in indoor videos is proposed. Firstly, the statistic feature, color layout feature and dynamic feature of cigarette smoke are obtained by the method of video feature extraction, and then the initial feature vector is established. Secondly, the feature vector is updated automatically by MI-Simba, and the optimal feature combination in this environment is established. Then a transductive support vector machine(TSVM) is used for classification and recognition. Finally, the recognition rate and sensitivity are computed on the self-built video sequence database by 5-fold cross validation. The experimental results demonstrate the validity and superiority of the proposed algorithm compared with other algorithms.
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Received: 20 January 2014
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2015, Vol. 28 
