Feb 19 2009

Flickr automatic astrometry

Published by at under coding,science,space

3290487549_e107745b37_oA project has been set up which monitors the astrometry tag on flickr and hashes photos to determine what in the sky is being looked at. Not only does it add annotations for notable objects to the photo, it will allow compilation of a growing set of located images. Apparently a rotation invariant hashing algorithm was used. This essentially means that the image is converted into a hash code, that will be the same no matter what rotation the image was taken in.

Neat stuff. Via slashdot.

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