Gomes, Ryan and Welinder, Peter and Krause, Andreas and Perona, Pietro (2011) Crowdclustering. Computation & Neural Systems Technical Report, CNS-TR. California Institute of Technology , Pasadena, CA. (Submitted) http://resolver.caltech.edu/CaltechAUTHORS:20111027-114015448
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Is it possible to crowdsource categorization? Amongst the challenges: (a) each worker has only a partial view of the data, (b) different workers may have different clustering criteria and may produce different numbers of categories, (c) the underlying category structure may be hierarchical. We propose a Bayesian model of how workers may approach clustering and show how one may infer clusters / categories, as well as worker parameters, using this model. Our experiments, carried out on large collections of images, suggest that Bayesian crowdclustering works well and may be superior to single-expert annotations.
|Item Type:||Report or Paper (Technical Report)|
|Additional Information:||This work was supported by ONR MURI grant N00014-06-1-0734 and NSF grant IIS-0953413.|
|Group:||Computation & Neural Systems Technical Reports|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Ryan Gomes|
|Deposited On:||09 Nov 2011 00:01|
|Last Modified:||26 Dec 2012 14:20|
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Crowdclustering. (deposited 29 Jun 2011 21:29)
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