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• Supporting Spatial Awareness and Independent Wayfinding for Pedestrians with Visual Impairments

  Rayoung Yang, Sangmi Park, Sonali R. Mishra, Zhenan Hong, Clint Newsom, Hyeon Joo, Erik Hofer, Mark W. Newman · 2011 · The Proceedings of the 13th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This paper presents Talking Points 3 (TP3), a location- and orientation-aware smartphone system designed to increase the "legibility" of indoor environments for pedestrians with visual impairments, fostering spatial awareness rather than simply providing turn-by-turn directions.…

  blindness and low vision · wayfinding · indoor navigation · spatial cognition · mobile accessibility

• A System of Clothes Matching for Visually Impaired Persons

  Shuai Yuan · 2010 · Proceedings of the 12th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2010)

  This short paper presents a proof-of-concept computer vision system designed to help blind and visually impaired people determine whether two clothing items match in both color and pattern. The system addresses a common daily living challenge: selecting appropriate clothing…

  computer vision · blindness · visual impairment · daily living · independent living

• Customizing Directions in an Automated Wayfinding System for Individuals with Cognitive Impairment

  Alan L. Liu, Harlan Hile, Gaetano Borriello, Pat A. Brown, Mark Harniss, Henry Kautz, Kurt Johnson · 2009 · Proceedings of the 11th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '09)

  This paper presents the design and evaluation of a mobile wayfinding system that provides customized navigation directions to individuals with cognitive impairments such as traumatic brain injury, cerebral palsy, and intellectual disability. The central innovation is using a…

  cognitive impairment · wayfinding · navigation · mobile technology · Markov decision process

• Designing Judicious Interactions for Cognitive Assistance: The Acts of Assistance Approach

  Jérémy Bauchet, Hélène Pigot, Sylvain Giroux, Dany Lussier-Desrochers, Yves Lachapelle, Mounir Mokhtari · 2009 · Proceedings of the 11th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '09)

  This paper presents Archipel, a cognitive orthosis developed at the DOMUS Laboratory at the University of Sherbrooke, Canada, designed to guide people with cognitive impairments through complex activities of daily living such as meal preparation. The system takes a two-pronged…

  cognitive assistance · intellectual disability · smart home · activities of daily living · pervasive computing

• Real-Time Anomaly Detection for Traveling Individuals

  Tian-Shya Ma · 2009 · Proceedings of the 11th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '09)

  This short paper presents a real-time anomaly detection system designed to help individuals with cognitive impairments travel safely and independently on routine journeys such as commuting via public transportation. The system works by comparing a traveller's current GPS…

  cognitive impairment · navigation · location awareness · anomaly detection · safety

• Lessons from an evaluation of a domestic well-being indicator system

  Nubia M. Gil · 2008 · Proceedings of the 10th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '08)

  This short paper presents an evaluation of a domestic well-being indicator system designed to present sensor-collected data from older people's homes through two distinct user interfaces — one for the older person and one for their carer. The system tracks well-being indicators…

  aging · telecare · well-being monitoring · older adults · caregiving

• CATPro: context-aware task prompting system with multiple modalities for individuals with cognitive impairments

  Wan Chih Chang · 2008 · Proceedings of the 10th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '08)

  This short paper presents CATPro (Context-Aware Task Prompting), a system designed to help individuals with cognitive impairments perform daily living and workplace tasks more independently. The system targets people with a range of conditions including traumatic brain injury,…

  cognitive disability · task prompting · context awareness · supported employment · ubiquitous computing

• Context aware documenting for aphasics

  Thomas de Wolf, Dirk W.H. Gooren, Jean-Bernard O.S. Martens · 2008 · Proceedings of the 10th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '08)

  This paper describes two student design projects aimed at creating tools for people with aphasia to document and share their everyday experiences. Aphasia, a communication impairment caused by brain damage (typically from stroke), affects about 0.3% of the population, leaving…

  aphasia · tangible interaction · context-aware computing · augmentative and alternative communication · storytelling

• A context aware handheld wayfinding system for individuals with cognitive impairments

  Yao-Jen Chang, Shih-Kai Tsai, Tsen-Yung Wang · 2008 · Proceedings of the 10th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '08)

  This paper presents a context-aware wayfinding system designed to help individuals with cognitive impairments navigate indoor environments independently, with a focus on workplace and community travel. The system consists of three components: a handheld PDA (ASUS P525 with…

  cognitive disability · wayfinding · QR code · ubiquitous computing · navigation

• A Camera Phone Based Currency Reader for the Visually Impaired

  Xu Liu · 2008 · Proceedings of the 10th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '08)

  This paper presents a camera phone-based system for identifying U.S. paper currency denominations for people who are blind or visually impaired. The work addresses a specific accessibility gap: unlike currencies in many other countries, U.S. paper bills are identical in size and…

  visual impairment · computer vision · assistive technology · mobile accessibility · object recognition

• A Novel Wayfinding System Based on Geo-coded QR Codes for Individuals with Cognitive Impairments

  Yao-Jen Chang, Shih-Kai Tsai, Yao-Sheng Chang, Tsen-Yung Wang · 2007 · Proceedings of the 9th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '07)

  This paper presents a wayfinding prototype system that uses geo-coded QR codes placed at decision points along routes to provide just-in-time navigation directions to people with cognitive impairments. Developed by researchers at Chung Yuan Christian University, National Chiao…

  cognitive impairment · wayfinding · QR code · navigation · ubiquitous computing

• Demo of VJ-Voicebot: Control of Robotic Arm with the Vocal Joystick

  Brandi House, Jon Malkin, Jeff Bilmes · 2007 · Proceedings of the 9th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '07)

  This demonstration paper from the University of Washington presents VJ-Voicebot, a system that allows individuals with motor disabilities to continuously control a 5 degrees-of-freedom robotic arm using non-verbal vocal sounds. The system builds on the Vocal Joystick (VJ)…

  assistive robotics · voice interface · motor impairment · continuous voice control · robotic arm

• Understanding mobile phone requirements for young adults with cognitive disabilities

  Melissa Dawe · 2007 · Proceedings of the 9th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '07)

  Melissa Dawe's Assets '07 paper is a small, qualitative, ethnographically-informed study of how five Colorado families use mobile phones to support remote communication between parents and their young-adult children (ages 19-25) with cognitive disabilities. The paper is grounded…

  cognitive accessibility · mobile accessibility · ethnography · semi-structured interviews · caregivers

• Data visualisation and data mining technology for supporting care for older people

  Nubia M. Gil, Nicolas A. Hine, John L. Arnott, Julienne Hanson, Richard G. Curry, Telmo Amaral, Dorota Osipovič · 2007 · Proceedings of the 9th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '07)

  This Assets '07 paper from a UK consortium (Dundee, UCL, Imperial College) reports on a telecare pilot study that instrumented the flats of older residents with a modest set of unobtrusive sensors — passive infrared motion detectors, pressure sensors, door contacts,…

  aging · older adults · independent living · telecare · ambient sensing

• WADER: a novel wayfinding system with deviation recovery for individuals with cognitive impairments

  Shih-Kai Tsai · 2007 · Proceedings of the 9th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '07)

  This short ASSETS 2007 poster paper from Shih-Kai Tsai at Chung Yuan Christian University in Taiwan presents WADER (Wayfinding system with DEviation Recovery), a prototype indoor wayfinding system aimed at individuals with cognitive impairments — explicitly named populations…

  wayfinding · indoor navigation · QR code · cognitive accessibility · cognitive disabilities

• DuckCall: Tackling the First Hundred Yards Problem

  Stephen Fickas, Craig Pataky, Zebin Chen · 2006 · Proceedings of the 8th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '06)

  This paper describes DuckCall, a TV-based reminder system designed to help people with traumatic brain injury (TBI) overcome the "first hundred yards problem" — the challenge of preparing for and getting to the first transit pick-up point for community travel. Background studies…

  cognitive disabilities · traumatic brain injury · social isolation · community navigation · transportation access

• Where's My Stuff? Design and Evaluation of a Mobile System for Locating Lost Items for the Visually Impaired

  Julie A. Kientz, Shwetak N. Patel, Arwa Z. Tyebkhan, Brian Gane, Jennifer Wiley, Gregory D. Abowd · 2006 · Proceedings of the 8th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '06)

  This paper presents FETCH (Finding Everything using Technology that is Convenient and Handy), a mobile system that helps visually impaired people locate lost items around their home using Bluetooth-enabled tags and existing devices like cell phones or laptops. The research was…

  visual impairment · assistive technology · object location · Bluetooth · mobile technology

• Solo: Interactive Task Guidance

  Edmund LoPresti, Ned Kirsch, Richard Simpson, Debra Schreckenghost · 2005 · Proceedings of the 7th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '05)

  This paper describes Solo, a cognitive orthosis being developed by AT Sciences, the University of Michigan, the University of Pittsburgh, and TRACLabs to help cognitively impaired clients and their caregivers manage daily activities. Solo builds on the earlier COGORTH system,…

  cognitive assistive technology · traumatic brain injury · cognitive disability · task guidance · scheduling

• Designing a Cognitive Aid for the Home: A Case-Study Approach

  Jessica Paradise, Elizabeth D. Mynatt, Cliff Williams, John Goldthwaite · 2004 · Proceedings of the 6th International ACM SIGACCESS Conference on Computers and Accessibility (Assets 04)

  This paper describes the design of a computational pacing aid for a woman ("C") with mild traumatic brain injury (TBI) who struggles with chronic tardiness during her morning routine at a residential program. The researchers from Georgia Tech and Drexel University used an…

  cognitive accessibility · traumatic brain injury · cognitive aid · smart home · independent living

• MEMOS: An Interactive Assistive System for Prospective Memory Deficit Compensation — Architecture and Functionality

  Hendrik Schulze · 2003 · Proceedings of the 6th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '04)

  This paper presents MEMOS (Mobile Extensible Memory Aid System), a distributed electronic memory aid designed to compensate for prospective memory deficits following brain injury. Prospective memory — the ability to remember future intentions and tasks — is a frequent and…

  cognitive prosthetics · memory · brain injury · mobile technology · assistive technology

• Assistive Social Interaction for Non-Speaking People Living in the Community

  Nick Hine, John L. Arnott · 2002 · Proceedings of the Fifth International ACM Conference on Assistive Technologies (Assets '02)

  This paper addresses the social isolation experienced by non-speaking people living independently in the community, a problem intensified by the shift from institutional to community-based care in the UK. The authors argue that while community care aims to improve quality of…

  AAC · social isolation · community care · videoconferencing · multimedia