Hi Youssef,
The IOU and DICE calculations and a few links
https://www.tensorflow.org/api_docs/python/tf/keras/metrics/IoU
https://karan-jakhar.medium.com/100-days-of-code-day-7-84e4918cb72c
https://medium.datadriveninvestor.com/deep-learning-in-medical-imaging-3c1008431aaf
Thank you for your help
Peter