Sample-Efficient Optimization in the Latent Space of Deep Generative Models via Weighted Retraining Erik Daxberger*, Austin Tripp* & Jos´ e Miguel Hern´ andez-Lobato RealML @ ICML2020 2020-07-18
Problem Optimization of expensive, black box functions on structured input spaces. Examples: Drug Design Materials Discovery Neural Architecture Search Erik Daxberger*, Austin Tripp* & Jos´ e Miguel Hern´ andez-Lobato Keyword: Weighted Retraining 2/4
Latent Space Optimization Optimize in the latent space Z of a deep generative model (instead of data space X ) X X X X Z Z Z Z Normal With weighted retraining Erik Daxberger*, Austin Tripp* & Jos´ e Miguel Hern´ andez-Lobato Keyword: Weighted Retraining 3/4
Results Chemical Design Task weight; retrain 20 weight; no retrain no weight; retrain works with a variety of models no weight; no retrain 15 original easy to implement 10 huge increase in performance and sample efficiency 5 0 0 100 200 300 400 500 Number of objective function evaluations More results in the paper! Erik Daxberger*, Austin Tripp* & Jos´ e Miguel Hern´ andez-Lobato Keyword: Weighted Retraining 4/4
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