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相机捕捉 + 步进电机

[英]Camera Capture + Stepper Motor

我遇到了一个问题,因为我是 opencv python 语言的新手,任何想法当相机捕获步进电机时都会旋转 90 度。

I guess you are using opencv 4. In opencv 3 in cv2.findContours writting _, contours, hierarchy was correct because three arguments were returned.我猜您正在使用 opencv 4。在cv2.findContours opencv 3 中,写_, contours, hierarchy是正确的,因为返回了三个参数。 However, in opencv 4 only two arguments are returned so change your statement to contours, hierarchy但是,在 opencv 4 中只返回两个参数,因此将您的语句更改为contours, hierarchy

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