Project Sidewalk: A Web-based Crowdsourcing Tool for Collecting Sidewalk Accessibility Data at Scale

Manaswi Saha, Mikey Saugstad, Teja Maddali, Aileen Zeng, Ryan Holland, Steven Bower, Aditya Dash, Sage Chen, Anthony Li, Kotaro Hara, Jon E. Froehlich

Proceedings of CHI 2019 | Acceptance Rate: 23.8% (705 / 2960) | Best Paper Award

keywords: mobility impairments, gis, wheelchair, crowdsourcing, urban accessibility

PDF | doi | Citation | Code | Project Sidewalk

Grand challenges in accessible maps

Jon E. Froehlich, Anke Brock, Anat Caspi, Joao Guerreiro, Kotaro Hara, Reuben Kirkham, Johannes Schoning, Benjamin Tannert

Interactions

keywords: accessibility, mobility impairments, gis, accessible urban navigation, accessible cities, visual impairments, accessibility map visualizations

PDF | doi | Citation | Project Sidewalk • Accessibility-Infused Maps

A Pilot Deployment of an Online Tool for Large-Scale Virtual Auditing of Urban Accessibility

Manaswi Saha, Kotaro Hara, Soheil Behnezhad, Anthony Li, Mikey Saugstad, Teja Maddali, Sage Chen, Jon E. Froehlich

Extended Abstract Proceedings of ASSETS 2017

keywords: crowdsourcing, gis, mobility impairments, urban accessibility

PDF | doi | Citation | Project Sidewalk

Scalable Methods to Collect and Visualize Sidewalk Accessibility Data for People with Mobility Impairments

Kotaro Hara

UMD CS PhD Dissertation

keywords: accessibility, crowdsourcing accessibility, accessible public transit, accessible urban navigation, accessible cities, physical accessibility

PDF | doi | Citation | Project Sidewalk

The Design of Assistive Location-based Technologies for People with Ambulatory Disabilities: A Formative Study

Kotaro Hara, Christine Chan, Jon E. Froehlich

Proceedings of CHI 2016 | Acceptance Rate: 25.0% (600 / 2400)

keywords: accessibility, mobility impairments, formative study, gis, navigation, trip planning

PDF | doi | Citation | Accessibility-Infused Maps • Project Sidewalk

Characterizing and Visualizing Physical World Accessibility at Scale Using Crowdsourcing, Computer Vision, and Machine Learning

Kotaro Hara, Jon E. Froehlich

SIGACCESS Newsletter '15

keywords: crowdsourcing accessibility, computer vision, google street view, amazon mechanical turk, personalized routing, accessibility map visualizations

PDF | doi | Citation | Project Sidewalk

Improving Public Transit Accessibility for Blind Riders by Crowdsourcing Bus Stop Landmark Locations with Google Street View: An Extended Analysis

Kotaro Hara, Shiri Azenkot, Megan Campbell, Cynthia Bennett, Sean Pannella, Robert Moore, Kelly Minckler, Rochelle Ng, Jon E. Froehlich

TACCESS 2015

keywords: accessibility, crowdsourcing accessibility, google street view, low-vision, public transport, bus stop auditing, crowdsourcing, blind users, accessible bus stops, remote data collection

PDF | doi | Citation | Crowdsourcing Bus Stop Landmarks

Scalable methods to collect and visualize sidewalk accessibility data for people with mobility impairments

Kotaro Hara

Extended Abstract Proceedings of UIST 2014

keywords: accessibility, crowdsourcing accessibility, accessible public transit, accessible cities, urban informatics, physical world accessibility

PDF | doi | Citation | Project Sidewalk

Tohme: Detecting Curb Ramps in Google Street View Using Crowdsourcing, Computer Vision, and Machine Learning

Kotaro Hara, Jin Sun, Robert Moore, David Jacobs, Jon E. Froehlich

Proceedings of UIST 2014

keywords: crowdsourcing accessibility, computer vision, google street view, amazon mechanical turk

PDF | doi | Citation | Project Sidewalk • Tohme

An Initial Study of Automatic Curb Ramp Detection with Crowdsourced Verification using Google Street View Images

Kotaro Hara, Jin Sun, Noa Chazan, David Jacobs, Jon E. Froehlich

Poster Proceedings of HCOMP 2013

keywords: computer vision, accessible urban navigation, mechanical turk, data collection, accessible cities, physical accessibility, crowdsourcing, google streetview, crowd verification

PDF | doi | Citation | Project Sidewalk • Tohme

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

Kotaro Hara, Shiri Azenkot, Megan Campbell, Cynthia Bennett, Sean Pannella, Robert Moore, Kelly Minckler, Rochelle Ng, Jon E. Froehlich

Proceedings of ASSETS 2013 | Best Paper Award

keywords: crowdsourcing accessibility, google street view, accessible public transit, blind, low-vision, accessible urban navigation, mechanical turk, data collection, accessible cities

PDF | doi | Citation | Talk | Crowdsourcing Bus Stop Landmarks

Exploring Early Solutions for Automatically Identifying Inaccessible Sidewalks in the Physical World using Google Street View

Kotaro Hara, Victoria Le, Jin Sun, David Jacobs, Jon E. Froehlich

HCIC2013 Workshop

keywords: computer vision, google street view, machine learning, crowdsourcing, physical world accessibility, street-level accessibility

PDF | Citation | Project Sidewalk • Tohme

Combining Crowdsourcing and Google Street View to Identify Street-level Accessibility Problems

Kotaro Hara, Victoria Le, Jon E. Froehlich

Proceedings of CHI 2013

keywords: crowdsourcing accessibility, google street view, accessible urban navigation, mechanical turk, data collection, accessible cities, physical accessibility, wheelchair, urban informatics

PDF | doi | Citation | Project Sidewalk

A feasibility study of crowdsourcing and google street view to determine sidewalk accessibility

Kotaro Hara, Victoria Le, Jon E. Froehlich

Poster Proceedings of ASSETS 2012

keywords: crowdsourcing accessibility, google street view, accessible urban navigation, mechanical turk

PDF | doi | Citation | Project Sidewalk