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A New Approach for Text Detection Using Fuzzy Homogeneity |
Huang Jian-hua; Cheng Heng-da; Wu Rui; Liu Jia-feng |
School of Computer Science and Technology, Harbin Institute of Technology, Harbin 150001, China |
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Abstract Text data presented in images and video contains useful and important semantic information for semantic-based image retrieval system. In this paper, a method is proposed for text detection based on fuzzy logic and homogeneity. First, the original images is fuzzified based on the maximum entropy principle. Then edge and textural information is extracted to evaluate the homogeneity of image which is transformed to fuzzy homogeneity domain. Finally text region is confirmed with texture analysis in fuzzy homogeneity domain. Experimental results confirm that the proposed method achieves better performance in complex background and is applicable to various kinds of video and images.
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Received: 09 November 2006
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