Crowdsourcing Malaria Parasite Quantification: An Online Game for Analyzing Images of Infected Thick Blood Smears

by Miguel Angel Luengo-Oroz, Asier Arranz, John Frean et al.
J Med Internet Res 2012;14(6):e167

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The gold standard for estimating the malaria parasite burden and the corresponding severity of the disease consists in manually counting the number of parasites in blood smears through a microscope, a process that can take more than 20 minutes of an expert microscopist’s time. This research tests the feasibility of a crowdsourced approach to malaria image analysis. In particular, the authors investigated whether anonymous volunteers with no prior experience would be able to count malaria parasites in digitized images of thick blood smears by playing a Web-based game.

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