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README.md

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 # PETRIC: PET Rapid Image reconstruction Challenge
 
-[![website](https://img.shields.io/badge/website-announcement-purple)](https://www.ccpsynerbi.ac.uk/events/petric/) [![wiki](https://img.shields.io/badge/details-wiki-blue)](https://github.com/SyneRBI/PETRIC/wiki) [![register](https://img.shields.io/badge/participate-register-green)](https://github.com/SyneRBI/PETRIC/issues/new/choose) [![leaderboard](https://img.shields.io/badge/leaderboard-orange)](https://tomography.stfc.ac.uk) [![discord](https://img.shields.io/badge/chat-discord-blue)](https://discord.gg/Ayd72Aa4ry)
+[![website](https://img.shields.io/badge/announcement-website-purple?logo=workplace&logoColor=white)](https://www.ccpsynerbi.ac.uk/events/petric/)
+[![wiki](https://img.shields.io/badge/details-wiki-blue?logo=googledocs&logoColor=white)](https://github.com/SyneRBI/PETRIC/wiki)
+[![register](https://img.shields.io/badge/participate-register-green?logo=ticktick&logoColor=white)](https://github.com/SyneRBI/PETRIC/issues/new/choose)
+[![leaderboard](https://img.shields.io/badge/rankings-leaderboard-orange?logo=tensorflow&logoColor=white)](https://tomography.stfc.ac.uk)
+[![discord](https://img.shields.io/badge/chat-discord-blue?logo=discord&logoColor=white)](https://discord.gg/Ayd72Aa4ry)
 
 ## Participating