Neural Netw 2020 Dec 26;132:506-520. Epub 2020 Sep 26.
Robust Autonomy and Decisions Group, The School of Informatics, The University of Edinburgh, 10 Crichton St, Edinburgh EH8 9AB, United Kingdom; The Edinburgh Centre of Robotics, The University of Edinburgh's Bayes Centre, 47 Potterrow, Edinburgh EH8 9BT, United Kingdom; FiveAI, 5th Floor, Greenside, 12 Blenheim Place, Edinburgh, EH7 5JH, United Kingdom.
This work presents an analysis of the discriminators used in Generative Adversarial Networks (GANs) for Video. We show that unconstrained video discriminator architectures induce a loss surface with high curvature which make optimization difficult. We also show that this curvature becomes more extreme as the maximal kernel dimension of video discriminators increases. Read More