Search Results for author: Kenji Hata

Found 6 papers, 2 papers with code

ActivityNet Challenge 2017 Summary

no code implementations22 Oct 2017 Bernard Ghanem, Juan Carlos Niebles, Cees Snoek, Fabian Caba Heilbron, Humam Alwassel, Ranjay Khrisna, Victor Escorcia, Kenji Hata, Shyamal Buch

The ActivityNet Large Scale Activity Recognition Challenge 2017 Summary: results and challenge participants papers.

Activity Recognition

Dense-Captioning Events in Videos

1 code implementation ICCV 2017 Ranjay Krishna, Kenji Hata, Frederic Ren, Li Fei-Fei, Juan Carlos Niebles

We also introduce ActivityNet Captions, a large-scale benchmark for dense-captioning events.

Video Retrieval

A Glimpse Far into the Future: Understanding Long-term Crowd Worker Quality

no code implementations15 Sep 2016 Kenji Hata, Ranjay Krishna, Li Fei-Fei, Michael S. Bernstein

Microtask crowdsourcing is increasingly critical to the creation of extremely large datasets.

Embracing Error to Enable Rapid Crowdsourcing

no code implementations14 Feb 2016 Ranjay Krishna, Kenji Hata, Stephanie Chen, Joshua Kravitz, David A. Shamma, Li Fei-Fei, Michael S. Bernstein

Microtask crowdsourcing has enabled dataset advances in social science and machine learning, but existing crowdsourcing schemes are too expensive to scale up with the expanding volume of data.

General Classification Sentiment Analysis +2

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