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长江口淤泥质潮滩环形水边线信息提取方法研究

DOI: 10.6046/gtzyyg.2010.04.14, PP. 64-66

Keywords: 九段沙,图像分割,数学形态学,结构元素,水边线

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Abstract:

?研究淤泥质潮滩冲淤变化的一项基础性工作就是水边线信息的提取。与传统的Hough变换类环状物体检测方法不同,本文提出了一种适合于淤泥质潮滩环形水边线信息提取的识别检测算法。首先利用水边线灰度的梯度信息实现图像分割,进行边缘检测;然后通过数学形态学方法进行膨胀运算与内部填充,使得边缘连续;最后通过构造线段型结构元素得到连续、平滑的水边线。实验结果表明:该方法不仅算法简单,而且提取到的水边线信息效果良好。

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