James Coughlan

Photo of James Coughlan wearing glasses and blue shirt
Director - Rehabilitation Engineering Research Center
Ph.D.

The goal of our laboratory is to develop and test access technology for blind and visually impaired persons that is enabled by computer vision and other sensor technologies.

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Publications

Journal Articles

Shen, H., Chan, K. -Y., Coughlan, J., & Brabyn, J. (2008). A mobile phone system to find crosswalks for visually impaired pedestrians. Technology And Disability, 20, 217–224.
Walker, L., Verghese, P., & Coughlan, J. (2005). Modeling eye movements in a shape discrimination task. Journal Of Vision, 5, 921–921.
Coughlan, J., & Manduchi, R. (2009). A mobile phone wayfinding system for visually impaired users. Assistive Technology Research Series, 25, 849.
Coughlan, J., & Yuille, A. L. (2003). Algorithms from statistical physics for generative models of images. Image And Vision Computing, 21, 29–36.
Konishi, S., Yuille, A. L., Coughlan, J., & Zhu, S. C. (2002). Fundamental bounds on edge detection: learning and evaluating edge cues. Pattern Anal. Machine Intell.
Coughlan, J., Manduchi, R., Mutsuzaki, M., & Shen, H. (2005). Rapid and robust algorithms for detecting colour targets. 10Th Congress Of The International Colour Association, Aic Colour, 5, 959–962.
Yuille, A. L., Coughlan, J., & Konishi, S. (2001). 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.
Ivanchenko, V., Coughlan, J., & Shen, H. (2009). Staying in the crosswalk: A system for guiding visually impaired pedestrians at traffic intersections. Assistive Technology Research Series, 25, 69.
Coughlan, J., & Manduchi, R. (2007). Functional assessment of a camera phone-based wayfinding system operated by blind users. Ieee Computer Society And The Biological And Artificial Intelligence Society.
Yuille, A. L., Coughlan, J., & Konishi, S. (2000). The generic viewpoint constraint resolves the generalized bas relief ambiguity. Proc. Of Conference On Information Scienes And Systems (Ciss 2000), 15–17.

Conference Papers

Fusco, G., Shen, H., Murali, V., & Coughlan, J. (2014). Determining a Blind Pedestrian’s Location and Orientation at Traffic Intersections. Computers Helping People with Special Needs, 427–432. Springer International Publishing.
Coughlan, J., & Shen, H. (2012). The crosswatch traffic intersection analyzer: a roadmap for the future. Computers Helping People with Special Needs, 25–28. Springer Berlin Heidelberg.
Murali, V. N., & Coughlan, J. (2013). Smartphone-based crosswalk detection and localization for visually impaired pedestrians. Multimedia and Expo Workshops (ICMEW), 2013 IEEE International Conference on, 1–7. IEEE. (Original work published 2013)
Sanketi, P., Shen, H., & Coughlan, J. (2011). Localizing blurry and low-resolution text in natural images. Applications of Computer Vision (WACV), 2011 IEEE Workshop on, 503–510. IEEE.
Ivanchenko, V., Shen, H., & Coughlan, J. (2009). Elevation-based MRF stereo implemented in real-time on a GPU. Applications of Computer Vision (WACV), 2009 Workshop on, 1–8. IEEE.
Coughlan, J., & Yuille, A. L. (2001). The g Factor: Relating Distributions on Features to Distributions on Images. NIPS, 1231–1238.
Sanketi, P., & Coughlan, J. (2010). Anti-blur feedback for visually impaired users of smartphone cameras. Proceedings of the 12th international ACM SIGACCESS conference on Computers and accessibility, 233–234. ACM.
Tekin, E., Coughlan, J., & Shen, H. (2011). Real-time detection and reading of LED/LCD displays for visually impaired persons. Applications of Computer Vision (WACV), 2011 IEEE Workshop on, 491–496. IEEE.
Yuille, A. L., Coughlan, J., & Zhu, S. C. (2000). Unified framework for performance analysis of Bayesian inference. AeroSense 2000, 333–346. International Society for Optics and Photonics.
Ivanchenko, V., Coughlan, J., & Shen, H. (2010). Real-time walk light detection with a mobile phone. Computers Helping People with Special Needs, 229–234. Springer Berlin Heidelberg. (Original work published 2010)

Trainees

Principal Investigators

Current

Past

Ender Tekin

Ender Tekin

Associate Scientist at The University of Wisconsin-Madison
Photograph of Laura Walker

Laura Walker

Senior Visual Experience Engineer, Apple, Cupertino CA

Research Staff

Current

Interns

Current

Research

Current

Past

Photo of Vidya Murali

Vidya Murali

Technical Expert in Applied Machine Learning at Ford Research
Photo of Pannag Sanketi

Pannag Sanketi

Tech Lead Manager/Senior Staff Software Engineer at Google
Ender Tekin

Ender Tekin

Associate Scientist at The University of Wisconsin-Madison
Photograph of Laura Walker

Laura Walker

Senior Visual Experience Engineer, Apple, Cupertino CA

SKERI Staff

Current