The goal of our laboratory is to develop and test assistive technology for blind and visually impaired persons that is enabled by computer vision and other sensor technologies.
Mind your crossings: Mining GIS imagery for crosswalk localization. Acm Transactions On Accessible Computing (Taccess), 9(4). http://doi.org/10.1145/3046790. (2017).
S-K Smartphone Barcode Reader for the Blind. Journal On Technology And Persons With Disabilities, 1.. (2013).
Crosswatch: a system for providing guidance to visually impaired travelers at traffic intersections. Journal Of Assistive Technologies, 7.. (2013).
(Computer) vision without sight. Communications Of The Acm, 55, 96–104.. (2012).
Figure-ground segmentation using factor graphs. Image And Vision Computing, 27, 854–863.. (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 system to find crosswalks for visually impaired pedestrians. Technology And Disability, 20, 217–224.. (2008).
Where to look next? Eye movements reduce local uncertainty. Journal Of Vision, 7, 6.. (2007).
The KGBR viewpoint-lighting ambiguity. Journal Of The Optical Society Of America (Josa) A, 20(1). (Original work published 2003). (2003).
The KGBR viewpoint-lighting ambiguity and its resolution by generic constraints. Computer Vision, 2001. Iccv 2001. Proceedings. Eighth Ieee International Conference On, 2, 376–382.. (2001).
Indoor Localization using Computer Vision and Visual-Inertial Odometry. In International Conference on Computers Helping People with Special Needs (ICCHP '18). Linz, Austria. (Original work published 2018). (2018).
JustPoint: Identifying Colors with a Natural User Interface. In 19th Int’l ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2017). Baltimore, MD: ACM. (Original work published 2017). (2017).
Evaluating Author and User Experience for an Audio-Haptic System for Annotation of Physical Models. In 19th Int’l ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2017). Baltimore, MD: ACM. (Original work published 2017). (2017).
AR4VI: AR as an Accessibility Tool for People with Visual Impairments. In AR for Good, part of ISMAR 2017. Nantes, France: IEEE. (Original work published 2017). (2017).
Towards a Sign-Based Indoor Navigation System for People with Visual Impairments. In 18th International ACM SIGACCESS Conference on Computers and Accessibility. Reno, NV: ACM.. (2016).
Appliance Displays: Accessibility Challenges and Proposed Solutions. In 17th International ACM SIGACCESS Conference on Computers and Accessibility. Lisbon, Portugal: ACM. http://doi.org/http://dx.doi.org/10.1145/2700648.2811392 (Original work published 2015). (2015).
Zebra Crossing Spotter: Automatic Population of Spatial Databases for Increased Safety of Blind Travelers. In ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2015). http://doi.org/http://dx.doi.org/10.1145/2700648.2811392. (2015).
The Tactile Graphics Helper: Providing Audio Clarification for Tactile Graphics Using Machine Vision. In ASSETS. (Original work published 2015). (2015).
The last meter: blind visual guidance to a target. In Proceedings of the 32nd annual ACM conference on Human factors in computing systems (pp. 3113–3122). ACM.. (2014).
Smartphone-based crosswalk detection and localization for visually impaired pedestrians. In Multimedia and Expo Workshops (ICMEW), 2013 IEEE International Conference on (pp. 1–7). IEEE.. (2013).
Towards a real-time system for finding and reading signs for visually impaired users. In Computers Helping People with Special Needs (pp. 41–47). Springer Berlin Heidelberg.. (2012).
Mechanisms for propagating surface information in 3-D reconstruction. In Computer Vision: From Surfaces to 3D Objects. Chapman and Hall/CRC Press.. (2011).