OpenStreetView AGI 2009

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Slides for the OpenStreetView talk from AGI Geocommunity 2009

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OpenStreetView AGI 2009

  1. 1. OpenStreetView John McKerrell (of mapme.at)
  2. 2. OpenStreetView? • Photos on a map • Register your twitter account • No photos in an area? Request some • Twitter message sent to nearest person to collect photos
  3. 3. while I was sleeping...
  4. 4. What is (Open) Street View?
  5. 5. What is (Open) Street View? • Capturing photos
  6. 6. What is (Open) Street View? • Capturing photos • Storing and maintaining database
  7. 7. What is (Open) Street View? • Capturing photos • Storing and maintaining database • Extracting data and metadata
  8. 8. What is (Open) Street View? • Capturing photos • Storing and maintaining database • Extracting data and metadata • Presenting imagery to users
  9. 9. What is (Open) Street View? • Capturing photos •Storing and maintaining database •Extracting data • Presenting imagery to users
  10. 10. Capturing Photos • Normal Camera + Separate GPS • Mobile device with combined GPS + Camera, and bespoke software • Higher-grade cameras and other equipment
  11. 11. Upload • Web upload, multiple files via flash • FTP - username/password given from the site • Flickr/Panoramio import • API, native clients
  12. 12. Import • EXIF tags are parsed for location, direction and tilt information • Entry is created in OSV database • Multiple sizes are created
  13. 13. Moderation • Photo cannot be viewed until it has been moderated by N people • Moderators chosen by the system, can’t ask your friends • Moderators verify that image is valid and blur out sensitive parts
  14. 14. After Moderation • Photo becomes part of the main database • Anyone can view it whether a member of OpenStreetView or not
  15. 15. Extracting Data • Images can be tagged with key=value pairs • Tags can apply to an area of the image or the whole image • Can also mark an image as “unsafe” to be moderated again
  16. 16. Extracting Data • Moderated images would be available for people to download • Teams working on computer vision projects could use OpenStreetView as a source dataset
  17. 17. API • Upload images for processing • Tagging images that have been moderated • Marking images as unsafe • Cannot moderate images through third party sites
  18. 18. API • Search for images by bounding box and tags • Download information and metadata for images • Download resized and original sized images
  19. 19. License • User can specify license that covers individual images • Could also opt for “OpenStreetView Choice” License • Metadata covered by perpetual CC0 (Public Domain) license
  20. 20. Presenting Imagery • Start with markers on a map
  21. 21. Presenting Imagery • Go on to highlighting roads with coverage, ability to navigate between photos
  22. 22. Presenting Imagery • Microsoft Photosynth http://photosynth.net/view.aspx?cid=9686ec98-2c88-4b31-81fb-f29f5ebbab9c
  23. 23. Presenting Imagery • In the future, who knows? http://maps.google.co.uk/maps?f=q&source=s_q&hl=en&geocode=&q=ccc&sll=52.357702,4.910588&sspn=0.011192,0.033002&ie=UTF8&ll=52.362544,4.907101&spn=0,359.983499&z=17&layer=c&cbll=52.362449,4.907158&panoid=tboWgnlQU0utvg60YAMUTA&cbp=12,24.65,,0,-17.76 + OSM map
  24. 24. Current Status • Can upload already georeferenced photos and have them moderated • Photos show up on the homepage as thumbnails on a map • Can download information on all images in bounding box as KML
  25. 25. Demo Video • http://vimeo.com/6771405
  26. 26. Getting Involved? • www.openstreetview.org • photos@openstreetmap.org

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