Corner Detection and Sub-Pixel Localization Based on Local Orientation Distribution
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    Abstract:

    In this paper, an algorithm for corner detection and localization is proposed based on local orientation distribution (LOD). The algorithm consists of two steps: The first is to detect corners by using the absolute corner energy and the relative corner energy; Then, the detected corners are re-located to sub-pixel accuracy by fitting the intersection of orientation lines of support pixels by the least squares technique. Experimental results show that the LOD-based algorithm can not only provide a higher localization accuracy than most popular detectors, but also has a better performance in resisting noises.

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王志衡,吴福朝,王旭光.基于局部方向分布的角点检测及亚像素定位.软件学报,2008,19(11):2932-2942

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  • Received:April 04,2007
  • Revised:August 24,2007
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