Thursday, October 8, 2009
Course construction complete
We have tried out the apparatus in our office with a Wii device mounted to a cane, with very promising results: as we walked along the course, the system was able to easily see the lights. We could watch the lights moving on the video screen we had mounted on the goal-end pole, and it seemed to work for cane swings that were quite wide. The only remaining problem, in my view, is that the user must not roll his or her wrist while running the course, because then the camera is not pointed up at the lights, and we lose position awareness. But, since our second (body-mounted) Wii device will always tell us where the traveler is in relation to the lights, we will know that wrist rotation has occurred if the person is under the lights but the cane-mounted Wii doesn't show any lights visible. Then we can provide spoken feedback to encourage the user to straighten his or her wrist, and we can let them know when this has been done successfully before resuming travel.