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• Legion Scribe: Real-Time Captioning by the Non-Experts

  Walter S. Lasecki, Christopher D. Miller, Raja Kushalnagar, Jeffrey P. Bigham · 2013 · Proceedings of the 10th International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This demo paper introduces Legion Scribe, a system that enables real-time captioning of speech by harnessing 3-5 ordinary typists working simultaneously, rather than relying on expensive professional stenographers. Real-time captioning provides text equivalents of spoken…

  captioning · deaf and hard of hearing · crowdsourcing · real-time captioning · communication accessibility

• Citizen Sensing for Collaborative Construction of Accessibility Maps

  Kelly Shigeno, Sergio Borger, Diego Gallo, Ricardo Herrmann, Mateus Molinaro, Carlos Cardonha, Fernando Koch, Priscilla Avegliano · 2013 · Proceedings of the 10th International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This demo paper presents IBM Sidewalks, a mobile application developed by IBM Research Brazil that enables citizens to collaboratively report physical accessibility issues in urban environments through crowdsourcing. The application is part of IBM's broader Citizen Sensing…

  crowdsourcing · accessibility mapping · mobile application · physical accessibility · urban accessibility

• Crowdsourcing Platform for Workplace Accessibility

  Hironobu Takagi, Akihiro Kosugi, Shin Saito, Masayoshi Teraguchi · 2013 · Proceedings of the 10th International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper from IBM Research Tokyo proposes Crowd Card, an intra-organizational crowdsourcing platform designed to improve workplace accessibility while maintaining confidentiality of business materials. The core problem is that modern workplaces are filled with inaccessible…

  crowdsourcing · workplace accessibility · image description · video captioning · document accessibility

• A Crowdsourcing Platform for the Construction of Accessibility Maps

  Carlos Cardonha, Diego Gallo, Priscilla Avegliano, Ricardo Herrmann, Fernando Koch, Sergio Borger · 2013 · Proceedings of the 10th International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This highly cited paper (69 citations) from IBM Research Brazil presents a comprehensive crowdsourcing platform for constructing outdoor accessibility maps through two complementary data collection approaches. The first, IBM Citizen Sensing, is an active reporting tool where…

  crowdsourcing · accessibility mapping · physical accessibility · urban accessibility · citizen sensing

• Warping Time for More Effective Real-Time Crowdsourcing

  Walter S. Lasecki, Christopher D. Miller, Jeffrey P. Bigham · 2013 · Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI 2013)

  This paper introduces TimeWarp, a technique that manipulates audio playback speed to improve crowd workers performance on real-time speech captioning. The core problem is that non-expert typists cannot keep up with natural speaking rates of 150-225 words per minute, forcing them…

  real-time captioning · crowdsourcing · deaf and hard of hearing · human computation · speech accessibility

• Investigating the Appropriateness of Social Network Question Asking as a Resource for Blind Users

  Erin L. Brady, Yu Zhong, Meredith Ringel Morris, Jeffrey P. Bigham · 2013 · Proceedings of the 2013 Conference on Computer Supported Cooperative Work (CSCW 2013)

  This paper explores whether social networking sites (SNSs) are a viable alternative to paid crowdsourcing for answering blind users' visual questions. The research combines three methods: a survey of 191 blind adults about their social networking habits and attitudes toward…

  social media accessibility · blind users · crowdsourcing · friendsourcing · visual question answering

• Real-Time Captioning by Non-Experts with Legion Scribe

  Walter S. Lasecki, Christopher D. Miller, Raja Kushalnagar, Jeffrey P. Bigham · 2013 · Proceedings of the 15th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2013)

  This short paper introduces Legion Scribe (Scribe), a system that enables 3-5 non-expert typists to collectively caption speech in real time, achieving accuracy approaching that of a professional stenographer at 20-30% of the cost. The system addresses a critical accessibility…

  real-time captioning · deaf and hard of hearing · crowdsourcing · human computation · assistive technology

• Real-Time Crowd Labeling for Deployable Activity Recognition

  Walter S. Lasecki, Young Chol Song, Henry Kautz, Jeffrey P. Bigham · 2013 · Proceedings of the 2013 Conference on Computer Supported Cooperative Work (CSCW 2013)

  Legion:AR is a system that provides deployable activity recognition by combining real-time crowd labeling with automatic recognition using Hidden Markov Models (HMMs). The system addresses a critical limitation of current activity recognition: automated systems must be trained…

  activity recognition · crowdsourcing · human computation · machine learning · aging in place

• Answering Visual Questions with Conversational Crowd Assistants

  Walter S. Lasecki, Phyo Thiha, Yu Zhong, Erin Brady, Jeffrey P. Bigham · 2013 · Proceedings of the 15th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2013)

  This paper introduces Chorus:View, a system that enables blind users to get visual questions answered through continuous conversational interaction with multiple crowd workers viewing a live video stream from the user's mobile device. The system addresses key limitations of…

  blind and low vision · crowdsourcing · human computation · assistive technology · visual assistance

• Adaptive Time Windows for Real-Time Crowd Captioning

  Matthew J. Murphy, Christopher D. Miller, Walter S. Lasecki, Jeffrey P. Bigham · 2013 · CHI EA '13: CHI '13 Extended Abstracts on Human Factors in Computing Systems

  This paper addresses a key barrier to real-time captioning access for deaf and hard of hearing people: the high cost of professional stenographers, who can charge up to $200 per hour. Building on the Legion:Scribe system, which demonstrated that groups of non-expert crowd…

  real-time captioning · crowdsourcing · deaf and hard of hearing · assistive technology · human computation

• Chorus: A Crowd-Powered Conversational Assistant

  Walter S. Lasecki, Rachel Wesley, Jeffrey Nichols, Anand Kulkarni, James F. Allen, Jeffrey P. Bigham · 2013 · UIST '13: Proceedings of the 26th Annual ACM Symposium on User Interface Software and Technology

  This paper presents Chorus, a crowd-powered conversational assistant that enables users to hold natural, continuous conversations with what appears to be a single partner, but is actually backed by multiple crowd workers operating in real-time. The system addresses a fundamental…

  crowdsourcing · conversational assistants · human computation · dialog systems · real-time systems

• Visual Challenges in the Everyday Lives of Blind People

  Erin Brady, Meredith Ringel Morris, Yu Zhong, Samuel White, Jeffrey P. Bigham · 2013 · CHI '13: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems

  This paper presents the findings of a year-long large-scale study of VizWiz Social, an iPhone application that allows blind users to take a photograph, record a spoken question about it, and receive answers from crowd workers or social contacts within about a minute. Between May…

  blind users · crowdsourcing · mobile accessibility · VizWiz · visual question answering

• Crowd Caption Correction (CCC)

  Rebecca Perkins Harrington, Gregg C. Vanderheiden · 2013 · Proceedings of the 15th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '13)

  This short paper presents Crowd Caption Correction (CCC), a feature that allows meeting participants or authorized third parties to correct errors in real-time captions during telecollaboration sessions. Captions are critical for deaf and hard of hearing people to participate in…

  captioning · deaf and hard of hearing · crowdsourcing · telecollaboration · real-time captioning

• Improving Public Transit Accessibility for Blind Riders by Crowdsourcing Bus Stop Landmark Locations with Google Street View

  Kotaro Hara, Shiri Azenkot, Megan Campbell, Cynthia L. Bennett, Vicki Le, Sean Pannella, Robert Moore, Kelly Minckler, Rochelle H. Ng, Jon E. Froehlich · 2013 · Proceedings of the 15th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This paper introduces Bus Stop CSI (Crowdsourcing Streetview Inspections), a scalable method for collecting bus stop location and landmark descriptions by combining online crowdsourcing with Google Street View (GSV). Blind and low-vision bus riders rely heavily on physical…

  visual impairment · blindness · crowdsourcing · public transit · navigation

• IncluCity: Using Contextual Cues to Raise Awareness on Environmental Accessibility

  Jorge Goncalves, Vassilis Kostakos, Simo Hosio, Evangelos Karapanos, Olga Lyra · 2013 · Proceedings of the 15th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This paper investigates whether contextual cues — specifically photographs and precise location information — can make accessibility awareness campaigns more effective at changing public attitudes toward disability and environmental barriers. Traditional campaigns often present…

  environmental accessibility · civic engagement · disability awareness · crowdsourcing · urban accessibility

15 results.