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MNIST is a database of handwritten digits collected by Yann Lecun, a famous computer scientist, when he was working at AT&T-Bell Labs on the problem of automation of check readings for banks. The data set is a benchmark widely used in machine learning research. Due to its small size it is also widely used for educational purposes.s based on C++ but provides APIs for Python and Matlab.

5 votes

Artificially expanding the datasets through rotation of images in MNIST

In somewhat of a response to your comment to Sammy’s post, the problem doesn’t restrict to five-degree rotations. The problem allows for all rotations. An $8$ rotated 90 degrees is $\infty$ and no lo …
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3 votes

Difference between grayscaled and binary mnist dataset

MNIST is not an interesting data set. You use MNIST to learn how to do machine learning that you will you on interesting data sets. Thus... …
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