Update README.md

README.md

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 license: mit
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+
+# Overview
+
+<p align="center">
+  <img src="https://avatars.githubusercontent.com/u/12619994?s=200&v=4" width="150">
+</p>
+
+<!-- -------------------------------------------------------------------------------- -->
+
+AIPQ is a full-reference image quality assessment model. Three model checkpoints are provided in this repository, these models are to be used together with [this github repo](https://github.com/huawei-noah/noah-research/tree/master/aipq)
+
+## Citation
+
+Please cite the following [paper](https://bmvc2022.mpi-inf.mpg.de/0244.pdf) when using our code or model:
+
+``` bibtex
+@inproceedings{thong2022content,
+  title={Content-Diverse Comparisons improve {IQA}},
+  author={Thong, William and Costa Pereira, Jose and Parisot, Sarah and Leonardis, Ales and McDonagh, Steven},
+  booktitle={British Machine Vision Conference},
+  year={2022}
+}
+```
+