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我的openmv是装在小车上的，有两个7*7cm的方框里各有一个二维码和一个数字，请问如何同时识别二维码和数字，急
https://singtown.com/learn/50029/
这个不行，识别数字需要很近的距离才能实现，我先问距离图片20cm. 他识别数字很难
识别数字用模版匹配啊。