然后，利用跑道边缘的平行直线特征和跑道边缘与可能机场区域的重叠关系识别出军用机场。
Then, the recognition is achieved based on geometry characteristics of the airport, such as the paralleled edges of runway, the superposing location between the edges of runway and the airport region.
结合序列图像中目标特性，检测出边缘直线中特定的两条平行直线进而获得目标的中轴线方程。
According to the characters of the target in the image, the specified parallel line has been detected to get the equation of the axes.
分析并研究了可用于指针图像处理的图像分割、图像滤波、边缘点提取、直线拟合、平行直线求距等运算方法。
It analyses and studies the operating method in image processing area, including image division, image filter, picking up edge point, drawing up line and getting the distance of parallel lines.
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