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Indoor wayfinding


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Indoor wayfinding

  1. 1. Indoor way: design a functional interface for individuals of cognitive impairments Shih-Kai Tsai
  2. 2. Abstract <ul><li>Interface is very crucial </li></ul><ul><li>Different modalities( image, audio, text), and different routes. </li></ul><ul><li>Users varied significantly in what they prefer. </li></ul>
  3. 3. introduction <ul><li>Target: users who are mobile and need travel through both indoor and outdoor environment. </li></ul><ul><li>for work, shopping, socialization, therapy, and other purposes. </li></ul><ul><li>Design a prototype so that potential users could walk through a realistic experience </li></ul>
  4. 4. Back ground & related work <ul><li>Cognitive impairments who are physically mobile </li></ul><ul><li>Capable of holding a regular job </li></ul><ul><li>May have difficulties in taking public transit to and from work. </li></ul><ul><li>Current: labor-intensive </li></ul><ul><li>Clever project </li></ul>
  5. 5. Prototype design <ul><li>Images: </li></ul><ul><li>Landmark or interesting features </li></ul><ul><li>Arrow and symbol </li></ul><ul><li>Highlight area </li></ul>
  6. 6. Prototype design (con’t) <ul><li>Audio and text </li></ul>
  7. 7. Prototype implementation <ul><li>Navigation wizard( server) </li></ul><ul><li>Location wizard( sensor needed) </li></ul><ul><li>Preload images and audio </li></ul>
  8. 8. Route features
  9. 9. Participant demographics
  10. 10. results <ul><li>All can follow the directions </li></ul><ul><li>Participant preference </li></ul>
  11. 11. Analysis of modalities <ul><li>Image : Participants suggested that photos might be more useful if they show more easily seen landmark and objects, such as a painting. </li></ul><ul><li>Text : word should carefully choose. </li></ul><ul><li>Audio : not appropriate rate </li></ul>
  12. 12. Time of directions <ul><li>How to send the directions of the appropriate time </li></ul><ul><li>When to exit the elevator ? </li></ul>
  13. 13. confirmation <ul><li>“ Good” message after participant follow the directions </li></ul><ul><li>Make sure the directions is right </li></ul>
  14. 14. Device usage and form factor <ul><li>Vibration feedback to avoid missed message </li></ul>
  15. 15. discussion <ul><li>More naturalistic route </li></ul><ul><li>Viewing the screen in bright sun </li></ul><ul><li>The distraction and the danger if the pedestrian and automobile traffic </li></ul>