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例程讲解25-Machine-Learning->nnn_haar_smile_detection 我想运行这个例程,但是‘’运行此例程前,请先在OpenMV IDE->工具->机器视觉->CNN网络库 中,将相应的神经网络文件保存到OpenMV的SD内存卡中哦‘’时,没找到相应的神经网络文件
https://book.openmv.cc/example/25-Machine-Learning/nn-haar-smile-detection.html
里面写了,需要自己训练神经网络。