Google Research

Evolving Losses for Video Representation Learning

Bay Area Machine Learning Symposium (BayLearn) (2019)

Abstract

We present a new method to learn video representations from unlabeled data. We formulate our unsupervised representation learning as a multi-modal, multi-task learning problem. We also introduce the concept of finding a better loss function to train such multi-task multi-modal representation space using an evolutionary algorithm; our method automatically searches over different combinations of loss functions capturing multiple (self-supervised) tasks and modalities

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