%0 Journal Article %J International Journal on Artificial Intelligence Tools, Special Issue on Artificial Intelligence Based Assistive Technologies: Methods and Systems for People with Disabilities %D 2009 %T Functional Assessment of a Camera Phone-Based Wayfinding System Operated by Blind and Visually Impaired Users %A Coughlan, J. %A Roberto Manduchi %K Blind wayfinding %B International Journal on Artificial Intelligence Tools, Special Issue on Artificial Intelligence Based Assistive Technologies: Methods and Systems for People with Disabilities %V 18 %P 379-397 %U http://users.soe.ucsc.edu/~manduchi/Papers/ColorTargets-ijaitV2.pdf