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Spotlight
Transfer and Marginalize: Explaining Away Label Noise with Privileged Information
Mark Collier · Rodolphe Jenatton · Efi Kokiopoulou · Jesse Berent

Tue Jul 19 08:40 AM -- 08:45 AM (PDT) @ Room 327 - 329

Supervised learning datasets often have privileged information, in the form of features which are available at training time but are not available at test time e.g. the ID of the annotator that provided the label. We argue that privileged information is useful for explaining away label noise, thereby reducing the harmful impact of noisy labels. We develop a simple and efficient method for supervised learning with neural networks: it transfers via weight sharing the knowledge learned with privileged information and approximately marginalizes over privileged information at test time. Our method, TRAM (TRansfer and Marginalize), has minimal training time overhead and has the same test-time cost as not using privileged information. TRAM performs strongly on CIFAR-10H, ImageNet and Civil Comments benchmarks.

Author Information

Mark Collier (Google)
Rodolphe Jenatton (Google Research)
Efi Kokiopoulou (Google AI)

Efi is a research scientist at Google since February 2013. She joined Google as a PostDoc researcher in September 2011. Before that she was a postdoctoral research fellow at the Seminar for Applied Mathematics (SAM) at ETH, Zurich. She completed her PhD studies in December 2008 at the Signal Processing Laboratory (LTS4) of the Swiss Federal Institute of Technology (EPFL), Lausanne under the supervision of Prof. Pascal Frossard. Before that she was with the Computer Science & Engineering Department of the University of Minnesota, USA, where she obtained in June 2005 her M.Sc. degree under the supervision of Prof. Yousef Saad. She obtained B.Eng. and MscEng. degrees in 2002 and 2003 respectively at the Computer Engineering and Informatics Department of the University of Patras, Greece.

Jesse Berent (Google)

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