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Thursday, January 24 • 3:00pm - 3:20pm
Advancing State-of-the-art Image Recognition with Deep Learning on Hashtags

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At Facebook everyday hundreds of millions of users interact with billions of visual contents. By understanding what's in an image, our systems can help connect users with the things that matter most to them. To improve our recognition system, I will talk about two main research challenges: how we train models at the scale of billions, and how we improve the reliability of the model prediction. Since current models are typically trained on data that are individually labeled by human annotators, scaling up to billions is non-trivial. We solve the challenge by training image recognition networks on large sets of public images with user-supplied hashtags as labels. By leveraging weakly supervised pretraining, our best model achieved a record-high 85.4% accuracy on ImageNet dataset.

Speakers
avatar for Yixuan Li, Facebook AI (Computer Vision Group)

Yixuan Li, Facebook AI (Computer Vision Group)

Research Scientist, Facebook AI (Computer Vision Group)
Yixuan Li is a Research Scientist at Facebook AI, Computer Vision Group. She leads the research effort on large-scale visual learning with high dimensional label space. Before joining Facebook, she obtained her PhD from Cornell University in 2017. Yixuan's research interests are in... Read More →


Thursday January 24, 2019 3:00pm - 3:20pm
Grand Ballroom Hyatt Regency San Francisco, 5 Embarcadero Center, San Francisco, CA 94111, USA