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• Personalized and Accessible TV Interaction for People with Visual Impairments

  Daniel Costa, Carlos Duarte · 2019 · Proceedings of the 16th International Web for All Conference (W4A)

  This paper presents the design and implementation of a system that makes Connected TV applications accessible to people with visual impairments by using a smartphone as an accessible second-screen controller. Connected TVs and set-top boxes now offer interactive features beyond…

  visual impairment · connected TV · personalization · adaptive interface · multimodal interaction

• An Independent and Interactive Museum Experience for Blind People

  Saki Asakawa, João Guerreiro, Daisuke Sato, Hironobu Takagi, Dragan Ahmetovic, Desi Gonzalez, Kris M. Kitani, Chieko Asakawa · 2019 · Proceedings of the 16th International Web for All Conference (W4A)

  This paper presents a prototype system for supporting independent, interactive museum visits by blind people, deployed and evaluated at The Andy Warhol Museum in Pittsburgh. The system combines indoor navigation with context-aware art appreciation through continuous tracking of…

  museum accessibility · blindness · indoor navigation · BLE beacon · audio description

• Designing a Low-cost Finger Wearable Audio-tactile Device

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

  This student research abstract describes the iterative design of ColorTact, a finger-worn wearable device that provides audio annotations when users explore tactile diagrams. The device addresses a fundamental limitation of conventional tactile graphics: they can only…

  assistive technology · tactile graphics · wearable technology · audio description · visual impairment

• Making Memes Accessible

  Cole Gleason, Amy Pavel, Xingyu Liu, Patrick Carrington, Lydia B. Chilton, Jeffrey P. Bigham · 2019 · Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2019)

  This paper presents two semi-automatic methods for making internet image macro memes accessible to people with vision impairments: rich alternative text descriptions and audio macro memes. Memes are a pervasive form of online communication, yet they are almost entirely…

  alternative text · blind · low vision · social media · image accessibility

• Pictures in Your Mind: Using Interactive Gesture-Controlled Reliefs to Explore Art

  Andreas Reichinger, Helena Garcia Carrizosa, Joanna Wood, Svenja Schröder, Christian Löw, Laura Rosalia Luidolt, Maria Schimkowitsch, Anton Fuhrmann, Stefan Maierhofer, Werner Purgathofer · 2018 · ACM Transactions on Accessible Computing (TACCESS)

  This paper presents an interactive audio guide (IAG) system that combines 3D-printed tactile reliefs with gesture-controlled, location-dependent audio descriptions to make visual art accessible to blind, visually impaired, and cognitively disabled users. Traditional tactile…

  tactile graphics · museum accessibility · blind and visually impaired · audio description · gesture interaction

• The Present and Future of Museum Accessibility for People with Visual Impairments

  Saki Asakawa, João Guerreiro, Dragan Ahmetovic, Kris M. Kitani, Chieko Asakawa · 2018 · Proceedings of the 20th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '18, Poster)

  This short ASSETS '18 poster paper is the formative survey that motivated much of the later Miraikan and CaBot museum-accessibility work from the same research group. The authors conducted in-person semi-structured interviews with 19 people with visual impairments (16 totally…

  museum accessibility · visual impairment · indoor navigation · tactile replicas · audio description

• Accessible OzPlayer Video Player

  Matt McLeod, Gian Wild · 2016 · Proceedings of the 13th International Web for All Conference (W4A)

  This extended abstract presents OzPlayer, a web video player built by Australian accessibility consultancy AccessibilityOz specifically to address the widespread inaccessibility of popular video players on the web. The authors, who routinely audited client websites, found that…

  video accessibility · media accessibility · keyboard accessibility · captions · audio description

• HTML5 accessible video player: how and why

  Crista Earl, Elizabeth Neal · 2016 · Proceedings of the 13th International Web for All Conference (W4A)

  This paper from the American Foundation for the Blind (AFB) describes the development of a free, open source HTML5 video player designed to address the widespread accessibility barriers in online video playback interfaces. The authors identify four key problems with existing…

  video accessibility · media accessibility · HTML5 · keyboard accessibility · low vision

• A4TV: Assessing and Ameliorating the Accessibility of the Ascending Connected TV Platforms

  Daniel Costa · 2015 · Proceedings of the 12th International Web for All Conference (W4A)

  This doctoral consortium paper proposes a two-stage research programme to study and improve the accessibility of connected TV platforms for visually impaired users. Connected TVs — smart TVs and set-top boxes with internet connectivity — use web technologies (HTML5, JavaScript)…

  connected TV · blindness · visual impairment · accessibility evaluation · multimodal interaction

• Towards the Usage of Pauses in Audio-Described Videos

  Benoît Encelle, Magali Ollagnier Beldame, Yannick Prié · 2013 · Proceedings of the 10th International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper explores the use of "artificial pauses" — brief interruptions inserted into video playback — as a technique for delivering audio descriptions that cannot fit within the natural gaps in a video's soundtrack. Classical audio description is constrained by the duration of…

  audio description · video accessibility · blindness · visual impairment · multimedia accessibility

• Specialized DVD Player to Render Audio Description and Its Usability Performance

  Claude Chapdelaine · 2012 · Proceedings of the 14th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2012)

  This demonstration paper presents the CRIM DVDPlayer, a specialized software DVD player designed to enhance the audio description (AD) experience for blind and visually impaired (BVI) individuals. Developed at the Centre de Recherche Informatique de Montréal (CRIM), the player…

  audio description · visual impairment · blind users · multimedia accessibility · DVD

• An Adaptive Videos Enrichment System Based on Decision Trees for People with Sensory Disabilities

  José Francisco Saray Villamizar, Benoît Encelle, Yannick Prié, Pierre-Antoine Champin · 2011 · Proceedings of the International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper from the ACAV (Collaborative Annotation for Video Accessibility) project at the University of Lyon proposes an adaptive system that personalises how video accessibility descriptions are presented to users with sensory disabilities. The core insight is that predefined,…

  video accessibility · multimedia accessibility · machine learning · personalization · adaptive systems

• Annotation-based Video Enrichment for Blind People: A Pilot Study on the Use of Earcons and Speech Synthesis

  Benoît Encelle, Magali Ollagnier-Beldame, Stéphanie Pouchot, Yannick Prié · 2011 · Proceedings of the 13th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2011)

  This paper presents exploratory work from the ACAV (Collaborative Annotation for Video Accessibility) project, investigating how combining earcons (nonverbal audio messages) with speech synthesis can improve video accessibility for blind people. Traditional audio description has…

  video accessibility · blindness · audio description · earcons · speech technology

• Towards collaborative annotation for video accessibility

  Pierre-Antoine Champin, Benoît Encelle, Nicholas W. D. Evans, Magali O.-Beldame, Yannick Prié, Raphaël Troncy · 2010 · Proceedings of the 2010 International Cross Disciplinary Conference on Web Accessibility (W4A)

  This paper presents the ACAV (Collaborative Annotation for Video Accessibility) project, a French research initiative involving Dailymotion, the University of Lyon (LIRIS), and EURECOM, aimed at making web video accessible to blind and deaf users through rich, collaborative…

  video accessibility · audio description · captioning · crowdsourcing · speech recognition

• Describing online videos with text-to-speech narration

  Masatomo Kobayashi, Tohru Nagano, Kentarou Fukuda, Hironobu Takagi · 2010 · Proceedings of the 2010 International Cross Disciplinary Conference on Web Accessibility (W4A)

  This paper from IBM Research Tokyo presents a technology platform that uses text-to-speech (TTS) synthesis to add audio descriptions (AD) to online videos at minimal cost. The system addresses the two main barriers that prevent most online video creators from providing audio…

  audio description · text-to-speech · video accessibility · speech synthesis · external metadata

• Are Synthesized Video Descriptions Acceptable?

  Masatomo Kobayashi, Trisha O'Connell, Bryan Gould, Hironobu Takagi, Chieko Asakawa · 2010 · Proceedings of the 12th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2010)

  This paper from IBM Research Tokyo and WGBH National Center for Accessible Media investigates whether text-to-speech (TTS) synthesised narrations are an acceptable alternative to human-narrated audio descriptions for online videos. While accessibility standards like WCAG 2.0,…

  audio description · video accessibility · text-to-speech · speech synthesis · web accessibility

• In-Situ Study of Blind Individuals Listening to Audio-Visual Contents

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

  This paper presents an in-situ observational study examining how ten legally blind individuals (WHO levels 3-5) listen to and comprehend audio-visual content such as films, television dramas, and science reports. The research aims to understand the type, quantity, and frequency…

  audio description · video description · visual impairment · blindness · residual vision

• Making Multimedia Content Accessible for Screen Reader Users

  Hisashi Miyashita, Daisuke Sato, Hironobu Takagi, Chieko Asakawa · 2007 · Proceedings of the 2007 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper from IBM Research Tokyo describes an accessible multimedia browser designed to address three critical barriers blind users face with web multimedia content. The first problem is audio conflict: when media plays on a page, its sound masks the screen reader's speech…

  multimedia accessibility · screen readers · blind users · audio description · video accessibility