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对着电脑照为什会将我的屏幕识别成圆?
https://book.openmv.cc/example/09-Feature-Detection/find-circles.html
更改一下threshold参数
如果我将threshold的增大了,检测到的圆是少了,但同时找圆的时间也长了,如果我摄像头稍微晃动,就找不到圆了,但我需要一直有圆的坐标值返回