L to R: Huiying Shen, Ali Cheraghi, Brandon Biggs, James Coughlan, Charity Pitcher-Cooper, Giovanni Fusco

Coughlan Lab

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.

Tabs

Journal Articles
Ahmetovic, D., Manduchi, R., Coughlan, J., & Mascetti, S.. (2017). Mind your crossings: Mining GIS imagery for crosswalk localization. Acm Transactions On Accessible Computing (Taccess), 9(4). http://doi.org/10.1145/3046790
Tekin, E., Vásquez, D., & Coughlan, J.. (2013). S-K Smartphone Barcode Reader for the Blind. Journal On Technology And Persons With Disabilities, 1.
Manduchi, R., & Coughlan, J.. (2012). (Computer) vision without sight. Communications Of The Acm, 55, 96–104.
Yuille, A. L., Coughlan, J., & Konishi, S.. (2003). The KGBR viewpoint-lighting ambiguity. Journal Of The Optical Society Of America (Josa) A, 20(1). (Original work published 2003)
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.
Conference Papers
Biggs, B., Coughlan, J., & Coppin, P.. (2019). Design and Evaluation of an Audio Game-Inspired Auditory Map Interface. In The 25th International Conference on Auditory Display (ICAD 2019). Northumbria University, Newcastle-upon-Tyne, UK. (Original work published 2019)
Fusco, G., & Coughlan, J.. (2018). 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)
Coughlan, J., & Miele, J.. (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)
Coughlan, J., & Miele, J.. (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)
Mascetti, S., Gerino, A., Bernareggi, C., D’Acquisto, S., Ducci, M., & Coughlan, J.. (2017). 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)
Rituerto, A., Fusco, G., & Coughlan, J.. (2016). 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.
Fusco, G., Tekin, E., Giudice, N. A., & Coughlan, J.. (2015). 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)
Ahmetovic, D., Manduchi, R., Coughlan, J., & Mascetti, S.. (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
Manduchi, R., & Coughlan, J.. (2014). 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.
  • A Computer Vision-Based Indoor Wayfinding Tool

    We are creating a smartphone-based indoor navigation app to estimate the user's location in an indoor environment and guide him/her to a desired destination.

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  • BLaDE (Barcode Localization and Decoding Engine) smartphone app in action

    BLaDE

    BLaDE (Barcode Localization and Decoding Engine) is an Android smartphone app designed to enable a blind or visually impaired user find and read product barcodes.

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  • Picture shows person pointing stylus to plastic model of a biological cell; webcam (not pictured) views model and stylus; computer, connected to webcam, announces "Nucleolus"

    CamIO

    CamIO (short for “Camera Input-Output”) is a system to make physical objects (such as documents, maps, devices and 3D models) accessible to blind and visually impaired persons, by providing real-ti

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  • Computer Vision Journal Club

    The Computer Vision Journal Club meets periodically to discuss papers on topics in computer vision, machine learning and other topics of interest such as assistive technologies for persons who are

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  • Virtual aerial view of intersection area near a pedestrian's feet, reconstructed by Crosswatch algorithms

    Crosswatch

    Crosswatch is a smartphone-based system developed for providing real-time guidance to blind and visually impaired travelers at traffic intersections.

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  • Zoomed-in view of appliance display partially obscured by glare

    Display Reader

    The goal of the Display Reader project is to develop a computer vision system that runs on smartphones and tablets to enable blind and visually impaired persons to read appliance displays.

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  • Regressions in Braille Reading

    This project explores regressions (movements to re-read text) in braille reading.

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  • Sample indoor sign showing automatic detection in yellow

    Sign Finder

    This project seeks to develop a computer vision-based system that allows a visually impaired traveler to find and read informational signs, such as signs labeling office doors, streets, restrooms a

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  • Tactile Graphics Helper (TGH)

    Tactile graphics use raised lines, textures, and elevations to provide individuals with visual impairments access to graphical materials through touch.

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  • Tutorials and Reference

    These are tutorials and reference materials I have written on various topics in probability and geometry over the years.

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