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摘要: 在Niblack和Otsu算法的基础上,提出了运用亚像素图实现图像分割的算法.经实验证明,所提出的算法能更好地保持字符的拓扑结构和光滑字符的边缘,分割效果比使用原图像直接进行分割有明显的改进.Abstract: An algorithm was proposed to realize image segmentation with subpixel image based on Niblack and Otsu algorithms. Experimental results showed that the proposed algorithm can keep the characters′ topological structure, and yield smooth edge effectively. Compared with the original image segmentation, this proposed method is more efficient.
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