Publications by James Coughlan
Journal Articles
. (2021). Real-Time Sign Detection for Accessible Indoor Navigation. Journal On Technology And Persons With Disabilities, 9.
. (2020). Towards Accessible Audio Labeling of 3D Objects. Journal On Technology And Persons With Disabilities, 8.
. (2017). Mind your crossings: Mining GIS imagery for crosswalk localization. Acm Transactions On Accessible Computing (Taccess), 9(4). http://doi.org/10.1145/3046790
. (2013). Crosswatch: a system for providing guidance to visually impaired travelers at traffic intersections. Journal Of Assistive Technologies, 7.
. (2013). S-K Smartphone Barcode Reader for the Blind. Journal On Technology And Persons With Disabilities, 1.
. (2013). Improving speech enhancement algorithms by incorporating visual information. The Journal Of The Acoustical Society Of America, 134, 4237–4237.
. (2010). An Embarrassingly Simple Speed-Up of Belief Propagation with Robust Potentials. Arxiv Preprint Arxiv:1010.0012.
. (2009). A mobile phone wayfinding system for visually impaired users. Assistive Technology Research Series, 25, 849.
. (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). Staying in the crosswalk: A system for guiding visually impaired pedestrians at traffic intersections. Assistive Technology Research Series, 25, 69.
. (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-Portable and Mobile Systems in Assistive Technology: Introduction to the Special Thematic Session. Lecture Notes In Computer Science, 5105, 1078.
. (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.
. (2006). A fast algorithm for finding crosswalks using figure-ground segmentation. 2Nd Workshop On Applications Of Computer Vision, In Conjunction With Eccv, 5.
. (2005). An information maximization model of eye movements. Advances In Neural Information Processing Systems, 17, 1121-8.
. (2005). Rapid and robust algorithms for detecting colour targets. 10Th Congress Of The International Colour Association, Aic Colour, 5, 959–962.
. (2003). The KGBR viewpoint-lighting ambiguity. Journal Of The Optical Society Of America (Josa) A, 20(1).
. (2003). A large deviation theory analysis of Bayesian tree search. Ima Volumes In Mathematics And Its Applications, 133, 1–18.
. (2003). A statistical approach to multi-scale edge detection. Image And Vision Computing, 21, 37–48.
. (2003). Algorithms from statistical physics for generative models of images. Image And Vision Computing, 21, 29–36.
. (2003). Manhattan world: Orientation and outlier detection by bayesian inference. Neural Computation, 15, 1063–1088.
. (2003). Statistical edge detection: Learning and evaluating edge cues. Pattern Analysis And Machine Intelligence, Ieee Transactions On, 25, 57–74.
. (2003). The generic viewpoint assumption and planar bias. Ieee Transactions On Pattern Analysis And Machine Intelligence, 25, 775–778.
. (2002). Bayesian A* tree search with expected O (N) node expansions: applications to road tracking. Neural Computation, 14, 1929–1958.
. (2002). Fundamental bounds on edge detection: learning and evaluating edge cues. Pattern Anal. Machine Intell.
. (2001). Order Parameters for Detecting Target Curves in Images: When does high level knowledge help?. International Journal Of Computer Vision, 41, 9–33.
. (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.
. (2000). An A∗ perspective on deterministic optimization for deformable templates. Pattern Recognition, 33, 603–616.
. (2000). Efficient deformable template detection and localization without user initialization. Computer Vision And Image Understanding, 78, 303–319.
. (2000). Fundamental limits of Bayesian inference: order parameters and phase transitions for road tracking. Pattern Analysis And Machine Intelligence, Ieee Transactions On, 22, 160–173.
. (2000). The generic viewpoint constraint resolves the generalized bas relief ambiguity. Proc. Of Conference On Information Scienes And Systems (Ciss 2000), 15–17.
. (1999). Visual search: Fundamental bounds, order parameters, and phase transitions. Proc Ieee Workshop On Statistical And Computational Theories Of Vision. Cvpr 1999. Fort Collins, Co. June 1999.
. (1999). From Generic to Specific: An Information Theoretic Perspective on the Value of High-Level Information. Probabilistic Models Of The Brain, 135.
Conference Papers
. (2020). An Audio-Based 3D Spatial Guidance AR System for Blind Users. In 17th International Conference on Computers Helping People with Special Needs.
. (2020). An Indoor Navigation App using Computer Vision and Sign Recognition. In 17th International Conference on Computers Helping People with Special Needs.
. (2020). Indoor Localization for Visually Impaired Travelers Using Computer Vision on a Smartphone. In 17th International Web for All Conference: Automation for Accessibility.
. (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: Northumbria University, Newcastle-upon-Tyne, UK.
. (2018). Indoor Localization using Computer Vision and Visual-Inertial Odometry. In International Conference on Computers Helping People with Special Needs (ICCHP '18). Linz, Austria: Linz, Austria.
. (2017). AR4VI: AR as an Accessibility Tool for People with Visual Impairments. In AR for Good, part of ISMAR 2017. IEEE: Nantes, France.
. (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). ACM: Baltimore, MD.
. (2017). JustPoint: Identifying Colors with a Natural User Interface. In 19th Int’l ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2017). ACM: Baltimore, MD.
. (2016). Towards a Sign-Based Indoor Navigation System for People with Visual Impairments. In 18th International ACM SIGACCESS Conference on Computers and Accessibility. ACM: Reno, NV.
. (2015). Appliance Displays: Accessibility Challenges and Proposed Solutions. In 17th International ACM SIGACCESS Conference on Computers and Accessibility. ACM: Lisbon, Portugal. http://doi.org/http://dx.doi.org/10.1145/2700648.2811392
. (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
. (2014). Using Computer Vision to Access Appliance Displays. In ASSETS.
. (2014). An Investigation into Incorporating Visual Information in Audio Processing. In Computers Helping People with Special Needs (pp. 437–440). Springer International Publishing.
. (2014). Determining a Blind Pedestrian’s Location and Orientation at Traffic Intersections. In Computers Helping People with Special Needs (pp. 427–432). Springer International Publishing.
. (2014). Self-Localization at Street Intersections. In Computer and Robot Vision (CRV), 2014 Canadian Conference on (pp. 40–47). IEEE.
. (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.
. (2013). CamIO: a 3D computer vision system enabling audio/haptic interaction with physical objects by blind users. In Proceedings of the 15th International ACM SIGACCESS Conference on Computers and Accessibility (p. 41). ACM.
. (2013). 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.
. (2012). The crosswatch traffic intersection analyzer: a roadmap for the future. In Computers Helping People with Special Needs (pp. 25–28). Springer Berlin Heidelberg.
. (2011). Localizing blurry and low-resolution text in natural images. In Applications of Computer Vision (WACV), 2011 IEEE Workshop on (pp. 503–510). IEEE.
. (2011). Real-time detection and reading of LED/LCD displays for visually impaired persons. In Applications of Computer Vision (WACV), 2011 IEEE Workshop on (pp. 491–496). IEEE.
. (2010). Anti-blur feedback for visually impaired users of smartphone cameras. In Proceedings of the 12th international ACM SIGACCESS conference on Computers and accessibility (pp. 233–234). ACM.
. (2010). Real-time walk light detection with a mobile phone. In Computers Helping People with Special Needs (pp. 229–234). Springer Berlin Heidelberg.
. (2009). A Bayesian Algorithm for Reading 1D Barcodes. In 2009 Canadian Conference on Computer and Robot Vision (CRV 2009).
. (2009). An algorithm enabling blind users to find and read barcodes. In Applications of Computer Vision (WACV), 2009 Workshop on (pp. 1–8). IEEE.
. (2009). Elevation-based MRF stereo implemented in real-time on a GPU. In Applications of Computer Vision (WACV), 2009 Workshop on (pp. 1–8). IEEE.
. (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). 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.
. (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.
. (2006). Cell phone-based wayfinding for the visually impaired. In 1st International Workshop on Mobile Vision.
. (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.
. (2006). Reading LCD/LED Displays with a Camera Cell Phone. In Computer Vision and Pattern Recognition Workshop, 2006. CVPRW'06. Conference on (pp. 119–119). IEEE.
. (2004). Shape matching with belief propagation: Using dynamic quantization to accomodate occlusion and clutter. In Computer Vision and Pattern Recognition Workshop, 2004. CVPRW'04. Generative Model-Based Vision. (pp. 180–180). IEEE.
. (2003). A bayesian network framework for relational shape matching. In Computer Vision, 2003. Proceedings. Ninth IEEE International Conference on (pp. 671–678). IEEE.
. (2001). The g Factor: Relating Distributions on Features to Distributions on Images. In NIPS (pp. 1231–1238).
. (2000). Order Parameters for Minimax Entropy Distributions: When does high level knowledge help?. In Computer Vision and Pattern Recognition, 2000. Proceedings. IEEE Conference on (Vol. 1, pp. 558–565). IEEE.
. (2000). The Manhattan world assumption: Regularities in scene statistics which enable Bayesian inference. In NIPS (pp. 845–851).
. (2000). Unified framework for performance analysis of Bayesian inference. In AeroSense 2000 (pp. 333–346). International Society for Optics and Photonics.
. (1999). Fundamental bounds on edge detection: An information theoretic evaluation of different edge cues. In Computer Vision and Pattern Recognition, 1999. IEEE Computer Society Conference on. (Vol. 1). IEEE.
. (1999). High-Level and Generic Models for Visual Search: When does high level knowledge help?. In Computer Vision and Pattern Recognition, 1999. IEEE Computer Society Conference on. (Vol. 2). IEEE.
. (1999). Manhattan world: Compass direction from a single image by bayesian inference. In Computer Vision, 1999. The Proceedings of the Seventh IEEE International Conference on (Vol. 2, pp. 941–947). IEEE.
. (1998). A phase space approach to minimax entropy learning and the minutemax approximations. In NIPS (pp. 761–767).
. (1998). Convergence rates of algorithms for visual search: detecting visual contours. In NIPS (pp. 641–647).
. (1998). Efficient optimization of a deformable template using dynamic programming. In 2013 IEEE Conference on Computer Vision and Pattern Recognition (pp. 747–747). IEEE Computer Society.
. (1994). Hierarchical spline-based image registration. In Computer Vision and Pattern Recognition, 1994. Proceedings CVPR'94., 1994 IEEE Computer Society Conference on (pp. 194–201). IEEE.
Other Publications
. (2013). Camera-based access to visual information. In Assistive technology for blindness and low vision (pp. 219–246).
. (2012). 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.
. (2011). Mechanisms for propagating surface information in 3-D reconstruction. In Computer Vision: From Surfaces to 3D Objects. Chapman and Hall/CRC Press.
. (2008). Portable and mobile systems in assistive technology. In Computers helping people with special needs (pp. 1078–1080). Springer Berlin Heidelberg.
. (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). 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). Computer vision-based terrain sensors for blind wheelchair users. In Computers Helping People with Special Needs (pp. 1294–1297). Springer Berlin Heidelberg.
. (2002). Finding deformable shapes using loopy belief propagation. In Computer Vision—ECCV 2002 (pp. 453–468). Springer Berlin Heidelberg.
. (1999). Bayesian A* tree search with expected O (N) convergence rates for road tracking. In Energy Minimization Methods in Computer Vision and Pattern Recognition (pp. 189–204). Springer Berlin Heidelberg.
. (1997). Twenty Questions, Focus of Attention, and A*: A theoretical comparison of optimization strategies. In Energy Minimization Methods in Computer Vision and Pattern Recognition (pp. 195–212). Springer Berlin Heidelberg.