Questions for "RANSAC-Flow: generic two-stage image alignment"

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Please send your answers to: schroepp@cs.uni-freiburg.de by 10:00 on 17.12.2020

1. The paper introduces a method for image alignment with two stages. What are these two stages and what are the individual advantages and disadvantages of each stage? (2-3 sentences)

2. What is RANSAC used for in the first stage? Why does it help in the first stage to estimate multiple homographies? (2-3 sentences)

3. Which part of the method is trained and where does the supervision signal for the training come from? (2 sentences)