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Vahur Puik

Subject or photographer location? Changing contexts of geotagged images in AR applications - 0 views

  • If you are walking around you don’t necessarily want directions to the place where a photograph was taken, but directions to the subject of the image – especially if the camera-based heads-up-display is overlaying the image over the view of the world. This is particularly the case with historic images as the buildings have often either changed or been demolished making the point-of-view of the photographer hard to recreate.
  • Question is, should we re-geo-locate our images? Or geo-locate both the photographer’s position and the subject’s position separately?
  • However KML has both Camera and LookAt elements
Vahur Puik

indicommons» Blog Archive » Geolocating the First World War with Nationaal Ar... - 0 views

  • Nationaal Archief has incorporated the use of Flickr as a standard feature for public presentation and metadata generation
  • online tool aimed at collecting geographical metadata on a selection of photos from World War I
  • for most of these photos the locations are unknown
  • ...5 more annotations...
  • mashup of two data streams: a subset of Nationaal Archief’s Flickr photos and Open Street Map data
  • A new and simple website was developed as a game “shell” for the mashup
  • The game is simple: select a photo, study it, and add it to the (suspected) right location on the map, adding an “argument” for that location (”I recognize that bell tower in the background”) or even a photo of that same location today
  • Earlier locations can be overruled by every new player, but selection of the “right” location (some degree of uncertainty will always remain) is in hands of the jury: every month, from a pool of the most frequent players a jury selects a winner
  • wins large reproduction of a WWI photo
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