Improved AdaBoost Based Infrared Object Detection Algorithm

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The traditional AdaBoost based object detection algorithm can get perfect performance for visible images, but not for infrared images because of the worse description of Haar features. In this paper, a novel infrared object detection algorithm based on improved AdaBoost with powerful histogram features is proposed. Firstly, HOG histogram with fourth grid area of image gradient is used for the input of classifiers. And then, AdaBoost with weighted FLD as weak classifiers is employed to select the multi-dimension features. Finally, the infrared object detection is realized by multi-scale sliding windows and non-maxima suppression algorithm. The experimental results demonstrate the better performance of the improved AdaBoost detection algorithm which can detect multi-scale infrared targets accurately.

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1739-1744

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January 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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