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一种改进的分水岭算法在医学图像分割中的应用研究 被引量:2

Application of Improved Watershed Algorithm in Medical Image Segmentation
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摘要 分水岭算法在图像处理领域得到了广泛的应用,但单独使用分水岭进行图像分割会产生过分割现象,难以得到令人满意的结果。针对分水岭算法存在的过分割问题,提出一种改进的分水岭算法,能有效的抑制过分割现象。首先对输入图像进行平滑滤波处理并计算该图像的多尺度灰度梯度图像;然后提出基于多阈值分割的方法消除无效的梯度信息;再进行分水岭变换并对相似的区域进行合并。实验结果表明,提出的改进的分水岭算法能有效地处理过分割问题,比传统的分水岭算法得到的分割效果要好很多。 The algorithm of watershed has been widely applied in the field of image processing,it will appear over-segmentation phenomenon when we use the traditional watershed only,and it is difficult to get a satisfying result.This paper proposes an improves algorithm of watershed,it can effectively restrain the phenomenon.Smooth filter processing and computing the multi-scale image intensity gradient image of the input image first.And then implement of the watershed transform and merge the similar regions.
出处 《工业控制计算机》 2013年第5期99-100,103,共3页 Industrial Control Computer
关键词 分水岭算法 图像分割 大脑MR图 多阈值分割 区域合并 平滑滤波 watershed algorithm image segmentation MR image of brain multi-threshold segmentation region merging smooth filter
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参考文献6

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二级参考文献6

  • 1孔俊,张竞丹,吕英华,王建中,周颜军,杨志强.一种基于规则的脑组织磁共振图像分割新方法[J].计算机科学,2006,33(2):237-241. 被引量:2
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