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• User Perspectives on Robotics for Post-stroke Hand Rehabilitation

  Chloe Ng · 2019 · Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2019)

  This student research abstract presents a preliminary qualitative study investigating user perceptions of an exoskeleton robotic device designed for post-stroke hand rehabilitation. Impaired hand motor function is one of the most significant disabilities following stroke,…

  stroke rehabilitation · exoskeleton · robotics · motor disability · assistive technology

• Development of a Real-time Bionic Voice Generation System based on Statistical Excitation Prediction

  Farzaneh Ahmadi, Kazuhiro Kobayashi, Tomoki Toda · 2019 · Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2019)

  This demonstration paper presents the first real-time implementation of the Pneumatic Bionic Voice (PBV) system, a voice prosthesis for people who have undergone laryngectomy — surgical removal of the larynx, typically due to advanced throat cancer. Without a larynx, a person…

  voice prosthesis · laryngectomy · speech accessibility · voice conversion · assistive technology

• Understanding Mental Ill-health as Psychosocial Disability: Implications for Assistive Technology

  Kathryn E. Ringland, Jennifer Nicholas, Rachel Kornfield, Emily G. Lattie, David C. Mohr, Madhu Reddy · 2019 · Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2019)

  This paper argues that mental ill-health — including depression, anxiety, and other mental, emotional, or cognitive experiences — should be understood as psychosocial disability and examined through a social model lens rather than exclusively through the medical model that…

  psychosocial disability · mental health · depression · anxiety · social model of disability

• A Study on Customizing Interaction in Adaptable Games

  Caio Pinheiro de Carvalho, Suzane Santos dos Santos, Gabriel de Magalhães Escudeiro, Kelly Vale Pinheiro, Nelson Cruz Sampaio Neto, Marcelle Pereira Mota · 2019 · Proceedings of the 18th Brazilian Symposium on Human Factors in Computing Systems (IHC)

  This paper from the Federal University of Pará (Brazil) investigates customization features for adaptable games designed as assistive technology tools for children with disabilities, where healthcare professionals configure the games to match each child's therapeutic needs. The…

  game accessibility · assistive technology · cognitive accessibility · intellectual disability · personalization

• StateLens: A Reverse Engineering Solution for Making Existing Dynamic Touchscreens Accessible

  Anhong Guo, Junhan Kong, Michael Rivera, Frank F. Xu, Jeffrey P. Bigham · 2019 · ACM Symposium on User Interface Software and Technology

  This paper presents StateLens, a three-part system that makes existing dynamic touchscreen interfaces accessible to blind users without requiring any modification to the touchscreen hardware or software. Blind people routinely encounter inaccessible touchscreens on coffee…

  touchscreen accessibility · blindness · computer vision · crowdsourcing · reverse engineering

• Hacking Blind Navigation

  João Guerreiro, Hernisa Kacorri, Jeffrey P. Bigham, Edward Cutrell, Daisuke Sato, Dragan Ahmetovic, Chieko Asakawa · 2019 · CHI Conference on Human Factors in Computing Systems Extended Abstracts

  This workshop summary describes a one-day CHI 2019 workshop designed to bring together researchers from multiple disciplines working on assistive navigation technologies for blind people. The organizers — experts from Carnegie Mellon University, University of Maryland, Microsoft…

  blind navigation · orientation and mobility · assistive technology · visual impairment · computer vision

• Airport Accessibility and Navigation Assistance for People with Visual Impairments

  João Guerreiro, Dragan Ahmetovic, Daisuke Sato, Kris Kitani, Chieko Asakawa · 2019 · Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems

  This paper investigates whether a BLE-beacon-based smartphone navigation system can enable visually impaired travelers to move through an airport independently — a setting where they are currently required to rely on airline-provided sighted escorts to reach the gate, and where…

  airport accessibility · blind navigation · indoor navigation · orientation and mobility · visual impairment

• BBeep: A Sonic Collision Avoidance System for Blind Travellers and Nearby Pedestrians

  Seita Kayukawa, Keita Higuchi, João Guerreiro, Shigeo Morishima, Yoichi Sato, Kris Kitani, Chieko Asakawa · 2019 · Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems (CHI '19)

  This paper presents BBeep, an assistive suitcase-shaped system designed to help blind travellers navigate crowded public spaces such as international airports, train stations, and shopping malls. The authors argue that existing blind-navigation research has focused largely on…

  blind navigation · obstacle avoidance · collision avoidance · assistive technology · wearable technology

• Internet of Things (IoT) as Assistive Technology: Potential Applications in Tertiary Education

  Scott Hollier, Shadi Abou-Zahra · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This short paper explores how consumer Internet of Things (IoT) devices could serve as assistive technology for students with disabilities in tertiary education, based on qualitative interviews with five students representing hearing, mobility, print, low vision, and…

  Internet of Things · assistive technology · higher education · W3C · voice assistant

• Multi-view Mouth Renderization for Assisting Lip-reading

  Andrea Britto Mattos, Dario Augusto Borges Oliveira · 2018 · Proceedings of the 15th International Web for All Conference (W4A)

  This paper presents an assistive tool that uses Generative Adversarial Networks (GANs) to enhance video for people who rely on lip-reading. The core problem is that lip-readers generally prefer a frontal view of a speaker's face, but in real-world video the speaker may be…

  lip-reading · hearing impairment · Deaf and hard of hearing · deep learning · generative adversarial networks

• Designing an Adaptive Web Navigation Interface for Users with Variable Pointing Performance

  Aqueasha Martin-Hammond, Foad Hamidi, Tejas Bhalerao, Christian Ortega, Abdullah Ali, Catherine Hornback, Casey Means, Amy Hurst · 2018 · Proceedings of the 15th International Web for All Conference (W4A)

  This paper investigates how to design adaptive web navigation interfaces for people who experience variable pointing ability — difficulty using a mouse to click targets on screen that fluctuates over time due to conditions like early-stage Parkinson's disease, age-related…

  adaptive user interface · motor impairment · pointing · assistive technology · web navigation

• Improving the Academic Inclusion of a Student with Special Needs at University Bordeaux

  John J. Kelway, Anke M. Brock, Pascal Guitton, Aurélie Millet, Yasushi Nakata · 2018 · Proceedings of the 20th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '18)

  This experience report describes a collaborative effort between accessibility researchers, student support services (PHASE), and a motor and speech-disabled student (YN) at the University of Bordeaux to improve his academic participation. YN, over 60 years old, acquired a severe…

  3D printing · assistive technology · text entry · motor disability · higher education

• Turn Right: Analysis of Rotation Errors in Turn-by-Turn Navigation for Individuals with Visual Impairments

  Dragan Ahmetovic, Uran Oh, Sergio Mascetti, Chieko Asakawa · 2018 · Proceedings of the 20th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '18)

  This paper examines a frequently overlooked problem in navigation assistance for blind and visually impaired (BVI) people: how accurately users execute rotation instructions during turn-by-turn guidance. While much research has focused on improving localization accuracy (knowing…

  navigation · blindness · orientation and mobility · indoor navigation · assistive technology

• Design of an Augmented Reality Magnification Aid for Low Vision Users

  Lee Stearns, Leah Findlater, Jon E. Froehlich · 2018 · Proceedings of the 20th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '18)

  This paper explores the design space for augmented reality magnification aids for people with low vision, developing and iteratively refining two prototype systems using the Microsoft HoloLens. Unlike existing head-mounted displays that simply magnify 2D video from a camera,…

  low vision · augmented reality · magnification · wearable technology · head-mounted display

• HoloLearn: Wearable Mixed Reality for People with Neurodevelopmental Disorders (NDD)

  Beatrice Aruanno, Franca Garzotto, Emanuele Torelli, Francesco Vona · 2018 · Proceedings of the 20th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2018)

  This paper presents HoloLearn, a mixed reality application built for Microsoft HoloLens that aims to help people with neurodevelopmental disorders (NDD) learn to perform everyday domestic tasks and improve their autonomy. The system was designed collaboratively with…

  mixed reality · neurodevelopmental disorders · intellectual disability · HoloLens · wearable technology

• MANA: Designing and Validating a User-Centered Mobility Analysis System

  Boyd Anderson, Shenggao Zhu, Ke Yang, Jian Wang, Hugh Anderson, Chao Xu Tay, Vincent Y. F. Tan, Ye Wang · 2018 · Proceedings of the 20th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2018)

  This paper presents MANA (Mobility ANAlytics), a wearable sensor system designed to measure gait parameters in people with Parkinson's Disease (PD) in clinical and home settings. The system addresses a significant gap in accessible health monitoring: existing gait analysis…

  Parkinson's disease · wearable sensors · gait analysis · inertial measurement units · mobility assessment

• Who Should Have Access to my Pointing Data? Privacy Tradeoffs of Adaptive Assistive Technologies

  Foad Hamidi, Kellie Poneres, Aaron Massey, Amy Hurst · 2018 · Proceedings of the 20th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2018)

  This UMBC study examines the often-overlooked privacy tradeoffs inherent in Adaptive Assistive Technologies (AATs) — software systems that monitor user performance data to automatically adapt their functionality. While AATs offer significant usability benefits for people whose…

  privacy · security · adaptive systems · assistive technology · essential tremor

• Interdependence as a Frame for Assistive Technology Research and Design

  Cynthia L. Bennett, Erin Brady, Stacy M. Branham · 2018 · Proceedings of the 20th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2018)

  This influential paper introduces interdependence as a complementary frame to the traditional focus on independence in assistive technology research and design. The authors argue that "independence" — long the unquestioned gold standard of AT design — can be misrepresentative…

  disability studies · assistive technology · interdependence · independence · disability justice

• Autonomous Selection and Printing of 3D Models for People Who Are Blind

  Timo Götzelmann · 2018 · ACM Transactions on Accessible Computing

  This paper addresses a significant autonomy gap: while 3D printed models are increasingly used in schools for blind students to understand spatial concepts through touch, the process of finding and printing these models has required sighted assistance. People who are blind could…

  blindness · visual impairment · 3D printing · tactile graphics · voice control

• Towards Devising a Low-cost and Easy-to-use Arithmetic Learning Framework for Economically Less-privileged Visually Impaired Children

  Tusher Chakraborty, Taslim Arefin Khan, A. B. M. Alim Al Islam · 2018 · ACM Transactions on Accessible Computing

  This paper addresses a critical gap in assistive technology: the lack of affordable, easy-to-use tools for teaching arithmetic to visually impaired children in low-income countries. While assistive calculators and digital tools exist, they are prohibitively expensive for the 90%…

  visual impairment · blindness · mathematics education · low-resource settings · Braille

• Variability in Reactions to Instructional Guidance during Smartphone-Based Assisted Navigation of Blind Users

  Eshed Ohn-Bar, João Guerreiro, Kris Kitani, Chieko Asakawa · 2018 · Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT)

  This paper takes a close, sensor-level look at something most indoor-navigation research glosses over: how differently individual blind users actually react to the same spoken instruction. The authors instrumented a smartphone-and-BLE-beacon turn-by-turn system (based on NavCog)…

  indoor navigation · turn-by-turn navigation · blindness · visual impairment · assistive technology

• Modeling Expertise in Assistive Navigation Interfaces for Blind People

  Eshed Ohn-Bar, João Guerreiro, Dragan Ahmetovic, Kris M. Kitani, Chieko Asakawa · 2018 · Proceedings of the 23rd International Conference on Intelligent User Interfaces (IUI)

  This short IUI paper asks a question most assistive-navigation research leaves unasked: what happens as a blind user becomes an expert on a route? Existing smartphone guidance apps deliver the same instruction set on a user's tenth trip down a corridor as on their first,…

  blind navigation · indoor navigation · turn-by-turn navigation · visual impairment · blindness

• Environmental Factors in Indoor Navigation Based on Real-World Trajectories of Blind Users

  Hernisa Kacorri, Eshed Ohn-Bar, Kris M. Kitani, Chieko Asakawa · 2018 · Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems

  This paper addresses a methodological blind spot in blind-navigation research: studies typically report localization accuracy and completion time, but say almost nothing about how the physical environment itself shapes where users go wrong. The authors argue that the same…

  indoor navigation · turn-by-turn navigation · blindness · visual impairment · assistive technology

• Working Together: Technology as the Foundation for Better Employment Outcomes for People with Disability

  Alastair McEwin · 2017 · Proceedings of the 14th International Web for All Conference (W4A)

  Written by Australia's Disability Discrimination Commissioner at the Australian Human Rights Commission, this keynote paper draws on the findings of the 2016 "Willing to Work" national inquiry into employment discrimination against older Australians and Australians with…

  disability employment · disability rights · workplace accessibility · digital inclusion · disability discrimination

• Technology, Education and Access: A "Fair Go" for People with Disabilities

  Scott Hollier · 2017 · Proceedings of the 14th International Web for All Conference (W4A)

  This keynote is a personal narrative by Dr. Scott Hollier, a digital access specialist diagnosed with Retinitis Pigmentosa at age five, tracing how technology and education have shaped his life and career in accessibility. Hollier frames the talk around the Australian concept of…

  lived experience · visual impairment · retinitis pigmentosa · assistive technology · consumer technology