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John Mc Kerrell: OpenStreetView
 

John Mc Kerrell: OpenStreetView

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    John Mc Kerrell: OpenStreetView John Mc Kerrell: OpenStreetView Presentation Transcript

    • OpenStreetView
      • John McKerrell
    • OpenStreetView
      • John McKerrell
    • OpenStreetView
      • John McKerrell
    •  
    • 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
    •  
    • while I was sleeping...
    •  
    •  
    •  
    •  
    •  
    •  
    • What is (Open) Street View?
    • What is (Open) Street View?
      • Capturing photos
      • Storing and maintaining database
      • Extracting data and metadata
      • Presenting imagery to users
    • What is (Open) Street View?
      • Capturing photos
      • Storing and maintaining database
      • Extracting data
      • Presenting imagery to users
    • Capturing Photos
      • Normal Camera + Separate GPS
      • Mobile device with combined GPS + Camera, and bespoke software
      • Higher-grade cameras and other equipment
    • Upload
      • Web upload, multiple files via flash
      • FTP - username/password given from the site
      • Flickr/Panoramio import
      • API, native clients
    • Import
      • EXIF tags are parsed for location, direction and tilt information
      • Entry is created in OSV database
      • Multiple sizes are created
    • 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
    •  
    •  
    • After Moderation
      • Photo becomes part of the main database
      • Anyone can view it whether a member of OpenStreetView or not
    • 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
    •  
    • Extracting Data
      • Moderated images would be available for people to download
      • Teams working on computer vision projects could use OpenStreetView as a source dataset
    • API
      • Upload images for processing
      • Tagging images that have been moderated
      • Marking images as unsafe
      • Cannot moderate images through third party sites
    • API
      • Search for images by bounding box and tags
      • Download information and metadata for images
      • Download resized and original sized images
    • License
      • User can specify license that covers individual images
      • Users of the images can choose to only retrieve images covered by an acceptable license
      • Could also opt for “OpenStreetView Choice” License
    • License
      • Metadata for an image covered by same license as image itself?
      • Images may be removed from the database, have to have provision for users of the images to be told and remove their copies
    • Presenting Imagery
      • Start with markers on a map
    • Presenting Imagery
      • Go on to highlighting roads with coverage, ability to navigate between photos
    • Presenting Imagery
      • Microsoft Photosynth
      http://photosynth.net/view.aspx?cid=9686ec98-2c88-4b31-81fb-f29f5ebbab9c
    • 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
    • Getting Involved?
      • www.openstreetview.org
      • [email_address] map .org