Publications
. (2009). Functional assessment of a camera phone-based wayfinding system operated by blind and visually impaired users. International Journal On Artificial Intelligence Tools, 18, 379–397.
. (2009). A mobile phone wayfinding system for visually impaired users. Assistive Technology Research Series, 25, 849.
. (2009). Staying in the crosswalk: A system for guiding visually impaired pedestrians at traffic intersections. Assistive Technology Research Series, 25, 69.
. (2008). Computer vision-based clear path guidance for blind wheelchair users. In Proceedings of the 10th international ACM SIGACCESS conference on Computers and accessibility (pp. 291–292). ACM.
. (2008). Crosswatch: a camera phone system for orienting visually impaired pedestrians at traffic intersections. Computers Helping People with Special Needs. Springer Berlin Heidelberg.
. (2008). Detecting and locating crosswalks using a camera phone. In Computer Vision and Pattern Recognition Workshops, 2008. CVPRW'08. IEEE Computer Society Conference on (pp. 1–8). IEEE.
. (2008). A mobile phone system to find crosswalks for visually impaired pedestrians. Technology And Disability, 20, 217–224.
. (2008). Portable and mobile systems in assistive technology. In Computers helping people with special needs (pp. 1078–1080). Springer Berlin Heidelberg.
. (2008). Portable and Mobile Systems in Assistive Technology-Portable and Mobile Systems in Assistive Technology: Introduction to the Special Thematic Session. Lecture Notes In Computer Science, 5105, 1078.
. (2008). Search strategies of visually impaired persons using a camera phone wayfinding system. In Computers Helping People with Special Needs (pp. 1135–1140). Springer Berlin Heidelberg.
. (2007). Accessible spaces: navigating through a marked environment with a camera phone. In Proceedings of the 9th international ACM SIGACCESS conference on Computers and accessibility (pp. 229–230). ACM.
. (2007). Color targets: Fiducials to help visually impaired people find their way by camera phone. Eurasip Journal On Image And Video Processing, 2007.
. (2007). Dynamic quantization for belief propagation in sparse spaces. Computer Vision And Image Understanding, 106, 47–58.
. (2007). Functional assessment of a camera phone-based wayfinding system operated by blind users. Ieee Computer Society And The Biological And Artificial Intelligence Society.
. (2007). Grouping using factor graphs: an approach for finding text with a camera phone. In Graph-Based Representations in Pattern Recognition (pp. 394–403). Springer Berlin Heidelberg.
. (2006). Cell phone-based wayfinding for the visually impaired. In 1st International Workshop on Mobile Vision.
. (2006). Computer vision-based terrain sensors for blind wheelchair users. In Computers Helping People with Special Needs (pp. 1294–1297). Springer Berlin Heidelberg.
. (2006). A fast algorithm for finding crosswalks using figure-ground segmentation. 2Nd Workshop On Applications Of Computer Vision, In Conjunction With Eccv, 5.
. (2006). Finding text in natural scenes by figure-ground segmentation. In Pattern Recognition, 2006. ICPR 2006. 18th International Conference on (Vol. 4, pp. 113–118). IEEE.