You can find the dataset download links in the Files section (If it says "The requested URL was not found on this server." check that you use http:// not http**s**://). In case that doesn't work for you, here are direct links: Brain Dataset: - Train: http://medicalood.dkfz.de/QtVaXgs8il/brain_train.zip - Toy: http://medicalood.dkfz.de/QtVaXgs8il/brain_toy.zip - Data Usage Terms: http://medicalood.dkfz.de/QtVaXgs8il/license.txt Abdominal Dataset: - Train: http://medicalood.dkfz.de/Qa2yVpPjjF/abdom_train.zip - Toy: http://medicalood.dkfz.de/Qa2yVpPjjF/abdom_toy.zip - Data Usage Terms: http://medicalood.dkfz.de/Qa2yVpPjjF/license.txt Note: * By downloading this data you agree to the data usage terms