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Active Contour Method Combining Local Fitting Energy and Global Fitting Energy Dynamically

机译:动态结合局部拟合能量和全局拟合能量的主动轮廓法

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摘要

To get better segmentation results, local information and global information should be taken into consideration together. In this paper, we propose a new energy functional which combines a local intensity fitting term and an auxiliary global intensity fitting term, and we also give the method to adjust the weight of auxiliary global fitting term dynamically by using local contrast of the image. The combination of the two terms improves the accuracy of segmentation results obviously while reduces dependence on location of initial contour. The experiment results proved the effectiveness of our method.
机译:为了获得更好的细分结果,应将本地信息和全局信息一起考虑。本文提出了一种结合局部强度拟合项和辅助全局强度拟合项的新能量函数,并给出了利用图像局部对比度动态调整辅助全局拟合项权重的方法。两项的组合明显提高了分割结果的准确性,同时减少了对初始轮廓位置的依赖性。实验结果证明了该方法的有效性。

著录项

  • 来源
    《Medical biometrics》|2010年|p.163-172|共10页
  • 会议地点 Hong Kong(CN);Hong Kong(CN)
  • 作者单位

    School of Computer Science and Technology, Shandong University, Jinan, China;

    School of Computer Science and Technology, Shandong University, Jinan, China,Shandong economicUniversity, Jinan, China;

    School of Computer Science and Technology, Shandong University, Jinan, China;

    School of Computer Science and Technology, Shandong University, Jinan, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 生物医学工程;
  • 关键词

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