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Automatic Image Segmentation Using Active Contours with Univariate Marginal Distribution

机译:使用主动轮廓和单变量边际分布的自动图像分割

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摘要

This paper presents a novel automatic image segmentation method based on the theory of active contour models and estimation of distribution algorithms. The proposed method uses the univariate marginal distribution model to infer statistical dependencies between the control points on different active contours. These contours have been generated through an alignment process of reference shape priors, in order to increase the exploration and exploitation capabilities regarding different interactive segmentation techniques. This proposed method is applied in the segmentation of the hollow core in microscopic images of photonic crystal fibers and it is also used to segment the human heart and ventricular areas from datasets of computed tomography and magnetic resonance images, respectively. Moreover, to evaluate the performance of the medical image segmentations compared to regions outlined by experts, a set of similarity measures has been adopted. The experimental results suggest that the proposed image segmentation method outperforms the traditional active contour model and the interactive Tseng method in terms of segmentation accuracy and stability.
机译:本文提出了一种基于主动轮廓模型理论和分布估计算法的自动图像分割方法。所提出的方法使用单变量边际分布模型来推断不同活动轮廓上控制点之间的统计依赖性。这些轮廓是通过参考形状先验的对齐过程生成的,目的是提高有关不同交互式分割技术的探索和开发能力。提出的方法应用于光子晶体纤维显微图像中的空心核的分割,并且还用于分别从计算机断层扫描和磁共振图像的数据集中分割人的心脏和心室区域。此外,为了评估与专家概述的区域相比医学图像分割的性能,已采取了一套相似性措施。实验结果表明,提出的图像分割方法在分割精度和稳定性方面均优于传统的主动轮廓模型和交互式Tseng方法。

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  • 来源
    《Mathematical Problems in Engineering》 |2013年第14期|419018.1-419018.9|共9页
  • 作者单位

    Division de Ingenierias Campus Irapuato-Salamanca, Universidad de Guanajuato, Carretera Salamanca-Valle de Santiago Km 3.5+1.8 Km Comunidad de Palo Blanco, 36885 Salamanca, GTO, Mexico;

    Division de Ingenierias Campus Irapuato-Salamanca, Universidad de Guanajuato, Carretera Salamanca-Valle de Santiago Km 3.5+1.8 Km Comunidad de Palo Blanco, 36885 Salamanca, GTO, Mexico;

    Division de Ingenierias Campus Irapuato-Salamanca, Universidad de Guanajuato, Carretera Salamanca-Valle de Santiago Km 3.5+1.8 Km Comunidad de Palo Blanco, 36885 Salamanca, GTO, Mexico;

    Division de Ingenierias Campus Irapuato-Salamanca, Universidad de Guanajuato, Carretera Salamanca-Valle de Santiago Km 3.5+1.8 Km Comunidad de Palo Blanco, 36885 Salamanca, GTO, Mexico;

    Division de Ingenierias Campus Irapuato-Salamanca, Universidad de Guanajuato, Carretera Salamanca-Valle de Santiago Km 3.5+1.8 Km Comunidad de Palo Blanco, 36885 Salamanca, GTO, Mexico;

    Division de Ingenierias Campus Irapuato-Salamanca, Universidad de Guanajuato, Carretera Salamanca-Valle de Santiago Km 3.5+1.8 Km Comunidad de Palo Blanco, 36885 Salamanca, GTO, Mexico;

    Centro de Investigation en Matemdticas (CIMAT), A.C. Jalisco S/N, Col. Valenciana, 36000 Guanajuato, GTO, Mexico;

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