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• Non-Visual-Cueing-Based Sensing and Understanding of Nearby Entities in Aided Navigation

  Juan Diego Gomez, Guido Bologna, Thierry Pun · 2012 · Proceedings of the 14th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2012)

  This demonstration paper presents a context-aware navigation aid system for blind individuals that combines three levels of assistance to enhance understanding of the surrounding environment. The system addresses a fundamental challenge: blind people navigating unfamiliar…

  visual impairment · blind navigation · context-aware computing · computer vision · spatial audio

• FEPS: A Sensory Substitution System for the Blind to Perceive Facial Expressions

  Md. Iftekhar Tanveer, A.S.M. Iftekhar Anam, A.K.M Mahbubur Rahman, Sreya Ghosh, Mohammed Yeasin · 2012 · Proceedings of the 14th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2012)

  This demonstration paper presents FEPS (Facial Expression Perception through Sound), a visual-to-auditory sensory substitution system that enables blind individuals to perceive their conversation partner's facial expressions through sound. The inability to perceive facial…

  visual impairment · blind users · sensory substitution · sonification · facial expression recognition

• Helping Visually Impaired Users Properly Aim a Camera

  Marynel Vázquez, Aaron Steinfeld · 2012 · Proceedings of the 14th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2012)

  This paper evaluates three interaction modes for helping visually impaired users aim a camera to achieve good photo composition: speech-based feedback (spoken directional words like "up", "down", "left", "right" with pitch indicating proximity), tone-based feedback (a looping…

  visual impairment · blind users · low vision · photography · camera aiming

• Smartphone Application for Indoor Scene Localization

  Nabeel Younus Khan, Brendan McCane · 2012 · Proceedings of the 14th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2012)

  This demonstration paper presents a smartphone-based assistive technology that uses computer vision to determine a blind user's location inside a building where GPS is ineffective. The system operates on a client-server model running on an Android HTC Wildfire S phone. It…

  visual impairment · blind navigation · indoor localization · computer vision · smartphone

• Design and Evaluation of Classifier for Identifying Sign Language Videos in Video Sharing Sites

  Caio D.D. Monteiro, Ricardo Gutierrez-Osuna, Frank M. Shipman · 2012 · Proceedings of the 14th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2012)

  This paper presents the design and evaluation of a video classifier that automatically distinguishes sign language (SL) videos from non-sign-language videos on video sharing sites like YouTube. Currently, deaf and hard-of-hearing users must rely on tags, titles, or metadata to…

  sign language · deaf community · video classification · computer vision · machine learning

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