Morphological operations by locally variable structuring elements and their applications to region extraction in ultrasound images
Morphological operations by locally variable structuring elements and their applications to region extraction in ultrasound images
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局部可变结构元素的形态学操作及其在超声图像区域提取中的应用
DOI：
10.1002/scj.10196
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发表时间：
2003
期刊：
影响因子：
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通讯作者：
Akira Nomura
中科院分区：
文献类型：
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作者：
Masayasu Ito;M. Tsubai;Akira Nomura
在本文中，我们定义了一个新的自适应形态学操作，其中的结构元素的值根据感兴趣的处理图像的局部强度信息自适应地变化。我们证明了所提出的自适应形态学操作具有与传统形态学操作几乎相同的数学结构和性质。该方法有许多有用的功能。其中包括打开和关闭，它们同时实现图像的平滑和边缘的强调。传统的打开操作具有平滑功能，但不能同时具有这两种功能。将我们的方法应用于相对不清晰的图像，如超声斑点噪声，它的有用性可以发现在提取区域。文中还讨论了参数设置，并结合实验结果说明了其增强效果.© 2003 Wiley Periodicals，Inc. Syst Comp Jpn，34（3）：33-43，2003;在线发表于Wiley InterScience（www.interscience.wiley.com）。DOI 10.1002/scj.10196
In this paper, we define a new adaptive morphological operation, in which the value of a structuring element varies adaptively depending on the local intensity information of the processing image of interest. We prove that the proposed adaptive morphological operation has almost the same mathematical structure and properties as the conventional ones have. There are many useful functions in the method. Among them are the opening and closing, which implement both smoothing of the image and emphasizing of the edges at a time. Conventional opening operation has a smoothing function but not both. Applying our method to relatively unclear images such as ultrasound ones with speckle noise, its usefulness can be found in extracting regions. We also discuss parameter setting, and its enhancement effect together with experimental results is demonstrated. © 2003 Wiley Periodicals, Inc. Syst Comp Jpn, 34(3): 33–43, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/scj.10196