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mnist邮政编码手写识别的数据库

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应用背景The MNIST database of handwritten digits, available from this page, has a training set of 60,000 examples, and a test set of 10,000 examples. It is a subset of a larger set available from NIST. The digits have been size-normalized and centered in a fixed-size image. It is a good database for people who want to try learning techniques and pattern recognition methods on real-world data while spending minimal efforts on preprocessing and formatting. 关键技术The MNIST database was constructed from NIST"s Special Database 3 and Special Database 1 which contain binary images of handwritten digits. NIST originally designated SD-3 as their training set and SD-1 as their test set. However, SD-3 is much

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train-labels-idx1-ubyte
train-labels.idx1-ubyte
train-images-idx3-ubyte
train-images.idx3-ubyte

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