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Image target distinguish based on Gabor filters

Zeng Shuyan Zhang Guangjun Li Xiuzhi(School of Instrument Science and Opto-electronics Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100083,China)  
In order to provide useful information for mobile robot,the target distinguish approach based on image matching needs to recognize image pattern.2D Gabor filters were created by Gabor transform,which had excellent performance and didn′t need to segmente images catched by the single CCD camera.Gabor filters were robust to the various orientations and illumination of target images;They also satisfied the real time image processing.The multi-channel Gabor filters,with multi-frequencies and multi-angles,were used to convolute with images. The corresponding filter results included entirely information of images,from which the feature vectors of the images could be extracted.The method of classifying these feature vectors was SVM(support vector machine).SVM was a new method of machine learning developed by statistical learning theory.It resolved problems such as model select,over learning,non-linear,high dimension,etc.Experiment results indicate that the algorithm can reach up to high recognize rate.The algorithm can be applied in fields such as face recognition,robot vision localization and so on.
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