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python

MNIST doc

MNIST数据库介绍:MNIST是一个手写数字数据库,它有60000个训练样本集和10000个测试样本集。它是NIST数据库的一个子集。MNIST数据库官方网址为:http://yann.lecun.com/exdb/mnist/ ,也可以在windows下直接下载,train-images-idx3-ubyte.gz、train-labels-idx1-ubyte.gz等。下载四个文件,解压缩。解压缩后发现这些文件并不是标准的图像格式。这些图像数据都保存在二进制文件中。每个样本图像的宽高为28*28。

keras cnn: Test loss: 0.0289227370447 Test accuracy: 0.99

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