Image classification algorithm based on structural information

CHEN Yufeng; YANG Zhizhong; YAN Gaojie; LI Feifei

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Image classification algorithm based on structural information

CHEN Yufeng 1 *,YANG Zhizhong 2,YAN Gaojie 2,LI Feifei 2

1.School of Computer Science, Beijing Institute of Technology, Beijing 100081

2.School of Computer Science, Beijing Institute of Technology,Beijing 100081

*Correspondence author

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Funding: Doctoral Program of Higher Specialized Research Fund （No.Grant No. 20101101120024）

Opened online:16 November 2012

Accepted by: none

Citation: CHEN Yufeng,YANG Zhizhong,YAN Gaojie.Image classification algorithm based on structural information[OL]. [16 November 2012] http://en.paper.edu.cn/en_releasepaper/content/4493573

Bag of words algorithm is to integrate visual words, described the local features of the object, together to form a bag model. It does not consider the structural information of the object, considering only the local features. This paper presents an image classification algorithm based on structural information. Algorithm adds the structural information of the object according to the ideas of generalized Hough transform. We use the structural information on the local features of the test image with generalized Hough transform and get the possible position of the center of the object. Then, we have to analyze the template size on the basis of the dispersion degree of the voting points, and finally optimize the voting results. Experimental results demonstrate that our proposed method is superior to the method which does not consider the structural information and uses the low-level features to classification.

Keywords:Image classification; Bag of words; structural information; generalized Hough transform

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