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Erschienen in:
2012 | OriginalPaper | Buchkapitel
An Extraction Approach to Building Straight Lines Based on Hough Transform
verfasst von : Luo Weiqun, Wang Conghua, Zhao Erping, He Lei
Erschienen in: Recent Advances in Computer Science and Information Engineering
Verlag: Springer Berlin Heidelberg
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Detecting lines in a digital image is a crucial step in many applications, such as visual navigation, feature recognition. In this paper, an algorithm which is based on part Hough transform is proposed for extracting straight lines from building image. Firstly, edges are detected based on Canny detector. Secondly, An algorithm that follows image boundary categorizes edges. Thirdly, Hough transformation extracts straight lines to each classification of image. Experiment results shows that the proposed algorithm is better than Hough transform. It can detect lines correctly in building images with high accuracy, low false detection and low missing detection.