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请教，圆形物体识别如何提高准确度，roi可不可以指定一个动态范围比如人脸识别中的face
当然可以。每次调用find_circles(roi=你的变量)函数的时候，roi参数设置为你想要的范围的变量。
还有，发帖请选择相应的板块，比如OpenMV Cam板块，不要放在论坛和APP板块里。