I am doing research on machine learning. Now I want to test my algorithms with some famous datasets. Since I am a newbie in this area, I can't find other suitable datasets apart from MNIST. I thing MNIST is quite suitable for our research. Does anyone know some similar datasets with MNIST?
P.S I know another handwritten digit dataset that is often used, called USPS dataset. But I need a dataset with more training examples (typically more than 10000 and comparable to the number of training examples in MNIST), so USPS is out of my selection.
The machine learning archive (http://archive.ics.uci.edu/ml/) contains quite a variety of datasets including those, like MINIST, suitable for classification e.g. (http://archive.ics.uci.edu/ml/datasets/Skin+Segmentation).
I can't say which of them would be suitable without knowing what you're trying to demonstrate with your algorithm but anything inside the UCI archive is well known.
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