Pubblicato il 23/09/2012Read time: 1 min

[video:http://www.youtube.com/watch?v=nX23TuwP0tI]

Columbia University, the University of Maryland, and the Smithsonian Institution are working on visual recognition software to help identify species from photographs. Leafsnap is the first in a series of electronic field guides being developed to demonstrate this new technology.
This free mobile app helps identify tree species from photographs of their leaves. Leafsnap currently includes the trees of the Northeast and will soon grow to cover the trees of the entire continental United States.

The realization of Leafsnap was possible thanks to the collaboration between Peter Belhumeur (Columbia University), David Jacobs (University of Maryland), and John Kress (Smithsonian Institution).

[video:http://www.youtube.com/watch?v=KCpR4JTEy4c]

The high quality photographs on the website leafsnap.com and in the app were made by the the not-for-profit nature photography group Finding Species.

[video:http://www.youtube.com/watch?v=k02C7p7mQ_c]

Previews of the app:

leafsnap

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What Ebola taught us about risk communication

di Michele Bellone

Pubblicato il 26/09/2014

Global Health

Epidemiology

Infections

Each outbreak has some lessons to teach to those involved in health crisis management, especially in terms of risk communication. In fact, any infectious disease can become much more dangerous when supported by wrong or missing information. On the one hand, misinformation can spread far and fast, especially online, often crossing geographic borders before local organisations have ramped up their response to an outbreak. On the other hand, the lack of proper information about, for instance, how people get infected, may slow down efforts to contain the diffusion of the disease.

Name that leaf

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