Gallery: The Leafsnap App Helps You Identify Every Tree in NYC

The visual recognition algorithms are the key to Leafsnap's abilities. "Each leaf photograph is matched against a leaf-image library using numerous shape measurements computed at points along the leaf’s outline," writes Smithsonian Science. "The best matches are then ranked and returned to the user for final verification."

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3 Comments

  1. bowvine September 29, 2012 at 12:02 pm

    I have just tried the app with 8 different leaves that I know, e.g., lilac, sugar maple, forsythia, etc., and results came back with about 10 different answers, none of which were correct.

  2. cyborgsix November 15, 2011 at 5:30 pm

    A Google Goggles/TinEye focused (*heh*) on plants. Cool.
    And @Fer Servadu…From Leafsnap’s “About” page, FAQ section:

    When will there be an Android version of Leafsnap?
    We have one under development, but since the app is free and the work is being done by volunteers, we do not have a release date, nor a firm guess as to when this will be.

  3. Fer Servadu October 31, 2011 at 8:35 am

    You should mention that this app is only available for iPhones & iPads. No Android ;_;