Prediction of inter-fractional radiotherapy dose plans with domain translation in spatiotemporal embeddings

External beam radiation therapy fractions have become extremely complex and tedious procedures to plan, due to stringent requirements of delivering the highest radiation dose to the tumor while maximally avoiding organs at risk. However, due to anatomic and/or biological changes between fractions, dose re-optimization may be needed. Re-optimization is a time-consuming task which is typically triggered based on subjective visual assessment by an...