Abstract
A study is described about an information support system for a wheelchair user. The user is difficult to find the objects for the moving, because the user's standpoint is narrower than standing standpoint. Persons with low eyesight are in the same situation too. This system has functions of the self position estimation using color markers for navigation and an offer of additive information. The feature of the system used three primary colors for the marker, and we have carried out an experiment of the recognition of the mark. Moreover, we have discussed how to combine the self position data with a database for universal design.
