其次，用形态滤波器对医学图像信号进行了处理。
Secondly, the medical image is processed by the morphological filters.
这些照片通常要通过Photoshop或其他的数码图像处理工具加以改善，但是这种修饰仅限于背景和阴影，流动的形态是不做任何加工的。
The images are often then polished up in Photoshop, or some digital imaging package, but only the background and shadows are manipulated, the actual fluid shape is left untouched.
数学形态学是数字图像处理当中的一个重要内容，它为图像处理的实现提供很有力的方法。
Mathematical morphology is an important element of digital image processing, and it provides for the realization of image processing very powerful method.
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