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The literature-review database. Every paper Bob has reviewed (he has read many more), with a short summary, key findings, and tags. Browse, filter, search.

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  • VisualAid: Enhancing Accessibility for Visually Impaired Users Through AI

    Wajdi Aljedaani, Sijo Rejigeorge, Priya Jha, Srija Yadavalli, Manikanta Kothakota, Marcelo M. Eler, Abdulrahman Habib · 2025 · Proceedings of the 22nd International Web for All Conference (W4A)

    This technical note presents VisualAid, an AI-powered Android application designed to help visually impaired users understand and navigate their physical surroundings. The app integrates multiple AI technologies into a single mobile interface: YOLO11x for real-time object…

    visual impairment · object detection · image captioning · OCR · voice interaction

  • AccessMenu: Enhancing Usability of Online Restaurant Menus for Screen Reader Users

    Nithiya Venkatraman, Akshay Kolgar Nayak, Suyog Dahal, Yash Prakash, Hae-Na Lee, Vikas Ashok · 2025 · Proceedings of the 22nd International Web for All Conference (W4A)

    This paper addresses the significant accessibility barriers that blind and visually impaired (BVI) screen reader users face when trying to access online restaurant menus, which are typically presented as images or PDFs. The research proceeds in two phases. First, an interview…

    screen readers · blind users · visual document understanding · LLM accessibility · multimodal AI

  • PathFinder: Designing a Map-less Navigation System for Blind People in Unfamiliar Buildings

    Masaki Kuribayashi, Tatsuya Ishihara, Daisuke Sato, Jayakorn Vongkulbhisal, Karnik Ram, Seita Kayukawa, Hironobu Takagi, Shigeo Morishima, Chieko Asakawa · 2023 · Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems

    Map-based indoor navigation systems for blind travellers (CaBot, NavCog, BLE-beacon apps) work well when a prebuilt map exists, but building and maintaining those maps is labour-intensive and has only been done for a tiny fraction of the world's buildings. Engel et al. reported…

    map-less navigation · blind navigation · indoor navigation · intersection detection · sign recognition

  • Slidecho: Flexible Non-Visual Exploration of Presentation Videos

    Yi-Hao Peng, Jeffrey P Bigham, Amy Pavel · 2021 · Proceedings of the 23rd International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '21)

    This paper presents Slidecho, a system that makes recorded presentation videos accessible to blind and visually impaired learners by automatically extracting slide content and synchronizing it with the presenter's speech. The core problem is that most presentation videos —…

    video accessibility · blind and low vision · audio description · presentations · screen reader

  • Write-it-Yourself: Empowering Blind People to Independently Fill-out Paper Forms

    Syed Masum Billah, Shirin Feiz, Vikas Ashok, Roy Shilkrot, I. V. Ramakrishnan · 2019 · Proceedings of the 16th International Web for All Conference (W4A)

    This demonstration paper introduces WiYG (Write-it-Yourself Guide), a system that enables blind people to independently fill out printed paper forms such as bank checks, consent forms, and restaurant receipts — a task that has until now been impossible without sighted…

    blindness · assistive technology · computer vision · 3D printing · writing assistance

  • 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

  • Investigating Cursor-based Interactions to Support Non-Visual Exploration in the Real World

    Anhong Guo, Saige McVea, Xu Wang, Patrick Clary, Ken Goldman, Yang Li, Yu Zhong, Jeffrey P. Bigham · 2018 · Proceedings of the 20th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2018)

    This paper from Google and Carnegie Mellon University defines and compares three cursor-based interaction techniques designed to help blind and low vision people attend to specific items within complex real-world visual scenes. While computer vision systems like Seeing AI and…

    blindness · low vision · computer vision · non-visual exploration · mobile accessibility

  • ChattyBooks and ChattyBook Service

    Masakazu Suzuki, Katsuhito Yamaguchi · 2017 · Proceedings of the 14th International Web for All Conference (W4A)

    This demonstration paper presents ChattyBooks, a Windows application that converts STEM content in DAISY/accessible EPUB3 format into audio-embedded HTML5 with JavaScript, enabling playback in any web browser on any platform without requiring specialized DAISY/EPUB3 players. The…

    STEM accessibility · DAISY · EPUB · MathML · mathematics accessibility

  • Extraction of Tabular Data from Document Images

    Manolis Vasileiadis, Nikolaos Kaklanis, Konstantinos Votis, Dimitrios Tzovaras · 2017 · Proceedings of the 14th International Web for All Conference (W4A)

    This demonstration paper presents an open-source tool for automatically detecting and extracting tabular data from document images — both scanned and digitally created — and converting them into accessible HTML format. The work addresses a significant accessibility gap: tables…

    document accessibility · OCR · table recognition · visual impairment · document conversion

  • Improving the Accessibility of Mobile OCR Apps Via Interactive Modalities

    Michael Cutter, Roberto Manduchi · 2017 · ACM Transactions on Accessible Computing

    This paper addresses a critical usability challenge in mobile OCR for blind users: while OCR technology itself works well, it requires properly framed images at adequate resolution—something difficult to achieve without visual feedback. Blind users commonly hold the camera too…

    OCR · mobile accessibility · blindness · camera guidance · computer vision

  • Evaluating Haptic and Auditory Directional Guidance to Assist Blind People in Reading Printed Text Using Finger-Mounted Cameras

    Lee Stearns, Ruofei Du, Uran Oh, Yumeng Wang, Leah Findlater, Rama Chellappa, Jon E. Froehlich · 2016 · ACM Transactions on Accessible Computing

    This paper presents HandSight, a finger-mounted camera system that enables blind people to read printed text by tracing their finger across lines while receiving real-time directional guidance to stay on track. The research addresses a significant gap in print accessibility:…

    blindness · wearable technology · haptic feedback · auditory feedback · OCR

  • Making Arabic PDF books accessible using gamification

    Hend AlRouqi, Hend S. Al-Khalifa · 2014 · Proceedings of the 11th Web for All Conference (W4A)

    This paper addresses the inaccessibility of Arabic PDF books for people with visual impairments, blindness, and dyslexia. Most online Arabic books are scanned images of printed originals, making them unreadable by screen readers and text-to-speech software. Arabic OCR technology…

    document accessibility · gamification · crowdsourcing · OCR · Arabic accessibility

  • New Tools for Automating Tactile Geographic Map Translation

    Nizar Bouhlel, Anis Rojbi · 2014 · Proceedings of the 16th International ACM SIGACCESS Conference on Computers & Accessibility (ASSETS)

    This demo paper presents a Matlab-based software tool that semi-automates the conversion of visual geographic maps into tactile versions suitable for blind students. Tactile graphics are the most effective modality for blind people to comprehend graphical images, but converting…

    tactile graphics · blindness · braille · image processing · OCR

  • Transforming Japanese Archives into Accessible Digital Books

    Tatsuya Ishihara, Toshinari Itoko, Daisuke Sato, Asaf Tzadok, Hironobu Takagi · 2012 · JCDL '12: Proceedings of the 12th ACM/IEEE-CS Joint Conference on Digital Libraries

    This JCDL 2012 paper from IBM Research Tokyo and Haifa tackles a problem that remained invisible in most English-focused digitisation work: producing fully accessible digital books from Japanese archives, where the writing system uses more than 10,000 characters (kanji plus…

    accessible ebooks · digitization · japanese · OCR · DAISY

  • Instant Tactile-Audio Map: Enabling Access to Digital Maps for People with Visual Impairment

    Zheshen Wang, Baoxin Li, Terri Hedgpeth, Teresa Haven · 2009 · Proceedings of the 11th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '09)

    This paper presents an automated system for converting standard digital map images into interactive tactile-audio maps that people who are blind can explore independently. The core problem addressed is that while online map services like Google Maps provide rich geographical…

    tactile maps · visual impairment · multimodal interaction · audio feedback · navigation

  • Automated tactile graphics translation: in the field

    Chandrika Jayant, Matt Renzelmann, Dana Wen, Satria Krisnandi, Richard Ladner, Dan Comden · 2007 · Proceedings of the 9th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '07)

    This paper describes two years of field work extending the Tactile Graphics Assistant (TGA), a system developed at the University of Washington to automate the translation of figures from mathematics, science, and engineering (STEM) textbooks into embossed tactile graphics for…

    tactile graphics · Braille · STEM accessibility · blindness and low vision · image processing

  • WebInSight: Making Web Images Accessible

    Jeffrey P. Bigham, Ryan S. Kaminsky, Richard E. Ladner, Oscar M. Danielsson, Gordon L. Hempton · 2006 · Proceedings of the 8th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '06)

    This paper introduces WebInSight, a system that automatically generates and inserts alternative text for web images that lack it. The authors first establish the scale of the problem through a series of web studies examining five groups of important websites: the 500 most…

    web accessibility · alternative text · image accessibility · OCR · optical character recognition

  • A Demonstration of the iCARE Portable Reader

    Terri Hedgpeth, John A. Black, Jr., Sethuraman Panchanathan · 2006 · Proceedings of the 8th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '06)

    This paper presents the portable iCARE Reader, an assistive device developed at Arizona State University that allows people who are blind or visually impaired to read printed text more naturally and conveniently than existing flatbed scanner-based reading systems. The project…

    blindness · visual impairment · OCR · assistive technology · reading systems

18 results.