A Mobile Interactive Maps Applicationfor a Visually Impaired AudiencePresenter: Gottfried ZimmermannInformation Technologi...
The problem By accessing web mapping applications like theOpenStreetMapOpenStreetMap through a mobile device, a sighted u...
State of the art PocketNavigator (Pielot et al., 2010) Android application uses vibration patterns to provide informati...
The proposed solution –“Open Touch/Sound Maps” Enables access to OpenStreetMap data for the visually impaired and blindus...
“Open Touch/Sound Maps” -ArchitectureAndroid deviceOpenStreetMapweb serviceOpen Touch/Sound MapsOSM retrievalmoduleOSM ret...
“Open Touch/Sound Maps” –Interface of the applicationMenu navigation Typing a search criterion Map exploration
“Open Touch/Sound Maps” –Map exploration using a tablet
“Open Touch/Sound Maps” –Innovation/Advantages Alternative modalities in accessing mapinformation vibration, sonificatio...
Future work Access to data coming from more webmapping frameworks e.g., Google Maps, etc. Vibration patterns providing ...
Thank you! QuestionsVideo presentation: http://www.youtube.com/watch?v=wHBLKTWTvmg
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"Open Touch/Sound Maps" mobile application - Map access to the blind/visually impaired users

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Presentation for the sixth "Web Accessibility Challenge" (W4A 2013 Conference). The "Open Touch/Sound Maps" is a mobile application that enables haptic exploration of OpenStreetMap data for the visually impaired users.

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"Open Touch/Sound Maps" mobile application - Map access to the blind/visually impaired users

  1. 1. A Mobile Interactive Maps Applicationfor a Visually Impaired AudiencePresenter: Gottfried ZimmermannInformation Technologies Institute, Centre for Research and Technology Hellas,Thessaloniki, GreeceAuthors: Nikolaos Kaklanis, Konstantinos Votisand Dimitrios Tzovaras
  2. 2. The problem By accessing web mapping applications like theOpenStreetMapOpenStreetMap through a mobile device, a sighted user can virtually explore a map area before actually go to the specific location using GPS & a suitable application, user can explore the map areaaround his/her current location real-time However, users with severe visual impairments often meetgreat obstacles in accessing such information, as theinteraction with this kind of applications is performed mainlythrough the visual channel.OR
  3. 3. State of the art PocketNavigator (Pielot et al., 2010) Android application uses vibration patterns to provide information regarding the position of user’s final destination ahead/left/right/behind – relative to user’s current position not fully accessible for visually impaired users Haptic GeoWand (Jacob et al., 2012) Android application location, orientation & distance information using vibration patterns not fully accessible for visually impaired users TouchOver Map (Poppinga et al., 2011) Android application vibration and speech feedback focused on the visually impaired but not fully accessible Ariadne GPS (Ciaffoni, 2012) iOS application text-to-speech, vibration, sound accessible for visually impaired usersWhat is missing?An Android application fully accessible for the visually impaired users
  4. 4. The proposed solution –“Open Touch/Sound Maps” Enables access to OpenStreetMap data for the visually impaired and blindusers using a common mobile device (e.g. smart phone, tablet) that runs onAndroid. Multilingual Currently: English & Greek Modalities Vibration feedback when finger is on a road/crossroad/point-of-interest (POI) Sonification The pitch of a single-frequency sound is changing according to thedistance to the next crossroad (as distance becomes smaller, soundfrequency becomes higher) Helps user realize the distance to the next crossroad Music chord – when user’s finger is on a crossroad Text-to-speech Name of current road/crossroad/POI Visual feedback (for the partially-sighted users)
  5. 5. “Open Touch/Sound Maps” -ArchitectureAndroid deviceOpenStreetMapweb serviceOpen Touch/Sound MapsOSM retrievalmoduleOSM retrievalmodulecoordinatescoordinatesOSMOSMcoordinatesdistance to thenext crossroadcurrent road/POI namevibration feedbackvisual feedbackaudio cuesspeech cuesMultimodalmapMultimodalmapsearch criterionGoogle Mapsweb serviceGPScoordinatessearch criterionTTS moduleTTS moduleVisual rendering moduleVisual rendering moduleSonification moduleSonification modulePositionidentificationmodulePositionidentificationmoduleVibration moduleVibration moduleOSM
  6. 6. “Open Touch/Sound Maps” –Interface of the applicationMenu navigation Typing a search criterion Map exploration
  7. 7. “Open Touch/Sound Maps” –Map exploration using a tablet
  8. 8. “Open Touch/Sound Maps” –Innovation/Advantages Alternative modalities in accessing mapinformation vibration, sonification, text-to-speech Enables the exploration of any map area around theworld not predefined map areas No special equipment is needed only a common mobile device running on Android Intuitive map exploration user simply moves his/her finger over the touchscreen
  9. 9. Future work Access to data coming from more webmapping frameworks e.g., Google Maps, etc. Vibration patterns providing user withdifferent positional cues e.g., vibrating 2 times per half a second mayprobably mean that user gets closer to a POI, etc.
  10. 10. Thank you! QuestionsVideo presentation: http://www.youtube.com/watch?v=wHBLKTWTvmg

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