Inspiration

We wanted to make accessibility more accessible. We felt that students should be guided around campus more easily, through the use of their smartphones.

What it does

The app overlays information about the buildings and rooms located at the University of Bath Campus using augmented reality, for example whether the building/room is wheelchair accessible, has a lift, has gender-neutral toilets, has hearing loops etc. The app overlays this information whenever it detects the name of the building/room. For instance, for the room 1W 2.102 it will show information about the room type, capacity, hearing loop and wheelchair accessibility.

How we built it

  • At the beginning, we brainstormed ideas and concluded on the topic of accessibility around our university's campus.
  • We went around the campus and took pictures of some location labels (1 West, Fresh, Library etc).
  • We then got familiar with Unity and Vuforia, and spent quite some time installing the required packages.
  • At first, we implemented cloud recognition, then realized that this would not support multiple target images, so we switched to image recognition using a database of images created in Vuforia. We exported the project for an Android smartphone, as well as used Xcode to implement it on an Iphone.

Challenges we ran into

  • Getting familiar with Unity and Xcode
  • Initially, we tried using cloud recognition, but multiple image targets were not supported
  • Text recognition in Vuforia was a deprecated feature
  • Loading & installation time of Unity
  • Adjusting the augmented text, which was initially too large

Accomplishments that we're proud of

  • Learning how to use Unity
  • Implemented image recognition
  • Made the campus more accessible!

What we learned

  • Unity
  • Vuforia
  • Image recognition using target images
  • Cloud recognition
  • Using Xcode for iOS/iPadOS compatibility
  • Exporting project to Android devices

What's next for AccessAR

  • Using geolocation, we can guide users through campus
  • Using image and object recognition, we can guide users inside buildings
  • We want to implement text recognition for building names/room numbers
  • More data: assistance dog space, trip hazards etc
  • Add pop-ups with links to AccessAble's profile of the University of Bath

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