基于Java的手写数字识别，用了四层神经网络进行训练。同时数据源来源MNIST手写数据库，其中有60000个数据作为训练集，10000个数据作为验证集，再使用Adam优化器、L1+L2正则化的训练后，准确率能到达95%左右（不是很高，哈哈，因为这是我第一次接触到神经网络做的第一个项目，很多优化的地方还没写好）。同时你可以在README.md中查看如何使用这个程序（intelliJ IDEA Ultimate运行）
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