[1]彭智东,宣士斌.融合最小生成树和四叉树的图割图像分割方法[J].计算机技术与发展,2018,28(12):102-105.[doi:10.3969/j. issn.1673-629X.2018.12.022]
 PENG Zhidong,XUAN Shibin.Image Segmentation Method Based on Graph Cut Combining Minimum Spanning Tree and Quadtree[J].,2018,28(12):102-105.[doi:10.3969/j. issn.1673-629X.2018.12.022]
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融合最小生成树和四叉树的图割图像分割方法()

《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
28
期数:
2018年12期
页码:
102-105
栏目:
智能、算法、系统工程
出版日期:
2018-12-10

文章信息/Info

Title:
Image Segmentation Method Based on Graph Cut Combining Minimum Spanning Tree and Quadtree
文章编号:
1673-629X(2018)12-0102-04
作者:
彭智东宣士斌
广西民族大学 信息科学与工程学院,广西 南宁 530006
Author(s):
PENG Zhi-dongXUAN Shi-bin
School of Information Science and Engineering,Guangxi University for Nationalities,Nanning 530006,China
关键词:
图割最小生成树四叉树最大流/最小割
Keywords:
graph cutminimum spanning treeQuadtreemaximum flow /minimum cut
分类号:
TP301
DOI:
10.3969/j. issn.1673-629X.2018.12.022
摘要:
图像分割是图像处理中最关键的步骤,基于图割的图像分割方法近年来备受关注。针对传统图割图像分割方法没有充分考虑相邻相近像素点可能属于不同类的情况,提出了一种结合最小生成树的图割方法。该方法重新构造了能量函数,在能量函数的构造中考虑了原本两个相邻的节点在最小生成树中可能不相邻的情况,对于这种不相邻的情况,重新确定了图中边的权值计算方法,使图的构造更加准确,从而提高了算法的分割精度。但提高算法精度的同时势必会增加算法的复杂度,为降低算法的复杂度,在提出算法中引入了四叉树方法对图像进行预处理,从而减少图中节点的数量。实验结果表明,该方法相比已有的图割方法在分割的精确度和效率上有较大的提高,具有更好的效果。
Abstract:
Image segmentation is the key step in image processing. The image segmentation method based on graph cut has paid much at- tention in recent years. In view of the fact that the traditional image segmentation method does not fully consider the adjacent pixels may belong to different classes,we propose a new image segmentation method combined with minimum spanning tree,which reconstructs the energy function. In the construction of the energy function,the case that two adjacent nodes might not be adjacent in the minimum span- ning tree is considered. For this case,we determine the weight calculation method of the edges in the graph again,which makes the con- struction of the graph more accurate and improves the segmentation accuracy of the algorithm. However,the improvement of algorithm precision is bound to increase the complexity. For this,the quadtree method is introduced to preprocess the image,so as to reduce the number of nodes in the graph. The experiment shows that compared with the existing graph cutting method,the proposed method can greatly improve the precision and efficiency of segmentation with a better effect.

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更新日期/Last Update: 2018-12-10