Update readme

Author: hmellor

README.md

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 # pytorch-superpixels
 A way to use superpixels at run-time with Pytorch
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+This project stems from a module I created for use in my master's thesis.
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+With some work I think it could be useful for others that wish to utilise superpixels in their Pytorch Machine learning projects.
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+Ideally I would like to add support for many of the more popular datasets, publish a pypi package and maybe even port this to TensorFlow.
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+Currently the code is fragmented and unusable, with community support I hope to change that soon.