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有关基于MNIST手写数字识别数据集图像分类问题的解决方案的探索

采取不同的解决方案,探索深度学习界的Hello World————手写数字识别的图像分类问题。目前已经尝试的解决方案包括:

  • 全连接层
  • 深度卷积网络(ResNet)

MNIST数据集简介

MNIST数据集来自美国国家标准与技术研究所,采集了250个不同的人的手写数字,每一个样本都是0~9的手写数字,且均为$28\times 28$的灰度图。下载地址:http://yann.lecun.com/exdb/mnist/,图片是以字节的形式进行存储,它包含了四个部分:

  • Training set images: train-images-idx3-ubyte.gz (9.9 MB, 解压后 47 MB, 包含 60,000 个样本)
  • Training set labels: train-labels-idx1-ubyte.gz (29 KB, 解压后 60 KB, 包含 60,000 个标签)
  • Test set images: t10k-images-idx3-ubyte.gz (1.6 MB, 解压后 7.8 MB, 包含 10,000 个样本)
  • Test set labels: t10k-labels-idx1-ubyte.gz (5KB, 解压后 10 KB, 包含 10,000 个标签)

未完待续......

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