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想识别到马路的两个边缘，然后得到马路上某个色块距离左边缘和右边缘的距离，应该怎么弄啊
不好弄，你最好发一下图片
比如说，我想知道黑色块离左边距离和离右边的距离，怎么弄呢
线段识别获得两个边缘的坐标，颜色识别获取色块的坐标。根据坐标计算出像素点的距离。
像素点与实际距离的换算，可以参考测距教程http://book.openmv.cc/image/ranging.html
色块坐标会获取，那个线段的坐标不怎么懂
线段识别返回的是线段两个顶点的坐标
比如说，我想知道黑色块离左边距离和离右边的距离，怎么弄呢