Hironobu Takagi

According to our database, Hironobu Takagi authored at least 94 papers between 1998 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

BentoMuseum: 3D and Layered Interactive Museum Map for Blind Visitors.

Xiyue Wang, Seita Kayukawa, Hironobu Takagi, Chieko Asakawa

Commun. ACM, November, 2024

Snap&Nav: Smartphone-based Indoor Navigation System For Blind People via Floor Map Analysis and Intersection Detection.

Masaya Kubota, Masaki Kuribayashi, Seita Kayukawa, Hironobu Takagi, Chieko Asakawa, Shigeo Morishima

Proc. ACM Hum. Comput. Interact., 2024

ChitChatGuide: Conversational Interaction Using Large Language Models for Assisting People with Visual Impairments to Explore a Shopping Mall.

Yuka Kaniwa, Masaki Kuribayashi, Seita Kayukawa, Daisuke Sato, Hironobu Takagi, Chieko Asakawa, Shigeo Morishima

Proc. ACM Hum. Comput. Interact., 2024

Direct or Immersive? Comparing Smartphone-based Museum Guide Systems for Blind Visitors.

Xiyue Wang, Seita Kayukawa, Hironobu Takagi, Giorgia Masoero, Chieko Asakawa

Proceedings of the 21st International Web for All Conference, 2024

2023

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

Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, 2023

Enhancing Blind Visitor's Autonomy in a Science Museum Using an Autonomous Navigation Robot.

Seita Kayukawa, Daisuke Sato, Masayuki Murata, Tatsuya Ishihara, Hironobu Takagi, Shigeo Morishima, Chieko Asakawa

Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, 2023

TouchPilot: Designing a Guidance System that Assists Blind People in Learning Complex 3D Structures.

Xiyue Wang, Seita Kayukawa, Hironobu Takagi, Chieko Asakawa

Proceedings of the 25th International ACM SIGACCESS Conference on Computers and Accessibility, 2023

2022

Corridor-Walker: Mobile Indoor Walking Assistance for Blind People to Avoid Obstacles and Recognize Intersections.

Masaki Kuribayashi, Seita Kayukawa, Jayakorn Vongkulbhisal, Chieko Asakawa, Daisuke Sato, Hironobu Takagi, Shigeo Morishima

Proc. ACM Hum. Comput. Interact., 2022

How Users, Facility Managers, and Bystanders Perceive and Accept a Navigation Robot for Visually Impaired People in Public Buildings.

Seita Kayukawa, Daisuke Sato, Masayuki Murata, Tatsuya Ishihara, Akihiro Kosugi, Hironobu Takagi, Shigeo Morishima, Chieko Asakawa

Proceedings of the 31st IEEE International Conference on Robot and Human Interactive Communication, 2022

2021

One-Shot Wayfinding Method for Blind People via OCR and Arrow Analysis with a 360-Degree Smartphone Camera.

Yutaro Yamanaka, Seita Kayukawa, Hironobu Takagi, Yuichi Nagaoka, Yoshimune Hiratsuka, Satoshi Kurihara

Proceedings of the Mobile and Ubiquitous Systems: Computing, Networking and Services, 2021

LineChaser: A Smartphone-Based Navigation System for Blind People to Stand in Lines.

Masaki Kuribayashi, Seita Kayukawa, Hironobu Takagi, Chieko Asakawa, Shigeo Morishima

Proceedings of the CHI '21: CHI Conference on Human Factors in Computing Systems, 2021

2020

Guiding Blind Pedestrians in Public Spaces by Understanding Walking Behavior of Nearby Pedestrians.

Seita Kayukawa, Tatsuya Ishihara, Hironobu Takagi, Shigeo Morishima, Chieko Asakawa

Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2020

Smartphone-Based Assistance for Blind People to Stand in Lines.

Seita Kayukawa, Hironobu Takagi, João Guerreiro, Shigeo Morishima, Chieko Asakawa

Proceedings of the Extended Abstracts of the 2020 CHI Conference on Human Factors in Computing Systems, 2020

BlindPilot: A Robotic Local Navigation System that Leads Blind People to a Landmark Object.

Seita Kayukawa, Tatsuya Ishihara, Hironobu Takagi, Shigeo Morishima, Chieko Asakawa

Proceedings of the Extended Abstracts of the 2020 CHI Conference on Human Factors in Computing Systems, 2020

Predicting Future Accident Risks of Older Drivers by Speech Data from a Voice-Based Dialogue System: A Preliminary Result.

Yasunori Yamada, Kaoru Shinkawa, Akihiro Kosugi, Masatomo Kobayashi, Hironobu Takagi, Miyuki Nemoto, Kiyotaka Nemoto, Tetsuaki Arai

Proceedings of the Advances in the Human Side of Service Engineering, 2020

2019

Wayfinding.

Daisuke Sato, Hironobu Takagi, Chieko Asakawa

Proceedings of the Web Accessibility - A Foundation for Research, Second Edition, 2019

Transcoding.

Chieko Asakawa, Hironobu Takagi, Kentarou Fukuda

Proceedings of the Web Accessibility - A Foundation for Research, Second Edition, 2019

NavCog3 in the Wild: Large-scale Blind Indoor Navigation Assistant with Semantic Features.

Daisuke Sato, Uran Oh, João Guerreiro, Dragan Ahmetovic, Kakuya Naito, Hironobu Takagi, Kris M. Kitani, Chieko Asakawa

ACM Trans. Access. Comput., 2019

Smartphone-based localization for blind navigation in building-scale indoor environments.

Masayuki Murata, Dragan Ahmetovic, Daisuke Sato, Hironobu Takagi, Kris M. Kitani, Chieko Asakawa

Pervasive Mob. Comput., 2019

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

Proceedings of the 16th Web For All 2019 Conference - Personalizing the Web, 2019

Effects of Age-Related Cognitive Decline on Elderly User Interactions with Voice-Based Dialogue Systems.

Masatomo Kobayashi, Akihiro Kosugi, Hironobu Takagi, Miyuki Nemoto, Kiyotaka Nemoto, Tetsuaki Arai, Yasunori Yamada

Proceedings of the Human-Computer Interaction - INTERACT 2019, 2019

2018

Insights on Assistive Orientation and Mobility of People with Visual Impairment Based on Large-Scale Longitudinal Data.

Hernisa Kacorri, Sergio Mascetti, Andrea Gerino, Dragan Ahmetovic, Valeria Alampi, Hironobu Takagi, Chieko Asakawa

ACM Trans. Access. Comput., 2018

Evaluating speech-based question-answer interactions for elder-care services.

Hironobu Takagi, M. Ohno, Masatomo Kobayashi, T. Nakada

IBM J. Res. Dev., 2018

Smartphone-based Indoor Localization for Blind Navigation across Building Complexes.

Masayuki Murata, Dragan Ahmetovic, Daisuke Sato, Hironobu Takagi, Kris M. Kitani, Chieko Asakawa

Proceedings of the 2018 IEEE International Conference on Pervasive Computing and Communications, 2018

2017

New challenges in web accessibility.

Hironobu Takagi, Chieko Asakawa

Univers. Access Inf. Soc., 2017

Assessment of Semantic Taxonomies for Blind Indoor Navigation Based on a Shopping Center Use Case.

J. Eduardo Pérez, Myriam Arrue, Masatomo Kobayashi, Hironobu Takagi, Chieko Asakawa

Proceedings of the 14th Web for All Conference, 2017

Achieving Practical and Accurate Indoor Navigation for People with Visual Impairments.

Dragan Ahmetovic, Masayuki Murata, Cole Gleason, Erin L. Brady, Hironobu Takagi, Kris Makoto Kitani, Chieko Asakawa

Proceedings of the 14th Web for All Conference, 2017

NavCog3: An Evaluation of a Smartphone-Based Blind Indoor Navigation Assistant with Semantic Features in a Large-Scale Environment.

Daisuke Sato, Uran Oh, Kakuya Naito, Hironobu Takagi, Kris Makoto Kitani, Chieko Asakawa

Proceedings of the 19th International ACM SIGACCESS Conference on Computers and Accessibility, 2017

2016

NavCog: turn-by-turn smartphone navigation assistant for people with visual impairments or blindness.

Dragan Ahmetovic, Cole Gleason, Kris M. Kitani, Hironobu Takagi, Chieko Asakawa

Proceedings of the 13th Web for All Conference, 2016

NavCog: a navigational cognitive assistant for the blind.

Dragan Ahmetovic, Cole Gleason, Chengxiong Ruan, Kris M. Kitani, Hironobu Takagi, Chieko Asakawa

Proceedings of the 18th International Conference on Human-Computer Interaction with Mobile Devices and Services, 2016

Automated help system for novice older users from touchscreen gestures.

Daisuke Sato, Tetsuro Morimura, Takayuki Katsuki, Yosuke Toyota, Tsuneo Kato, Hironobu Takagi

Proceedings of the 23rd International Conference on Pattern Recognition, 2016

Supporting Orientation of People with Visual Impairment: Analysis of Large Scale Usage Data.

Hernisa Kacorri, Sergio Mascetti, Andrea Gerino, Dragan Ahmetovic, Hironobu Takagi, Chieko Asakawa

Proceedings of the 18th International ACM SIGACCESS Conference on Computers and Accessibility, 2016

2015

Evaluation of real-time captioning by machine recognition with human support.

Hironobu Takagi, Takashi Itoh, Kaoru Shinkawa

Proceedings of the 12th Web for All Conference, 2015

Recognizing hand-object interactions in wearable camera videos.

Tatsuya Ishihara, Kris M. Kitani, Wei-Chiu Ma, Hironobu Takagi, Chieko Asakawa

Proceedings of the 2015 IEEE International Conference on Image Processing, 2015

Motivating Multi-Generational Crowd Workers in Social-Purpose Work.

Masatomo Kobayashi, Shoma Arita, Toshinari Itoko, Shin Saito, Hironobu Takagi

Proceedings of the 18th ACM Conference on Computer Supported Cooperative Work & Social Computing, 2015

Exploring Interface Design for Independent Navigation by People with Visual Impairments.

Erin L. Brady, Daisuke Sato, Chengxiong Ruan, Hironobu Takagi, Chieko Asakawa

Proceedings of the 17th International ACM SIGACCESS Conference on Computers & Accessibility, 2015

2014

Mosaic: collaborative ways for older adults to use their expertise through information technologies.

Atsushi Hiyama, Masatomo Kobayashi, Hironobu Takagi, Michitaka Hirose

ACM SIGACCESS Access. Comput., 2014

Remote IT education for senior citizens.

Hironobu Takagi, Akihiro Kosugi, Tatsuya Ishihara, Kentarou Fukuda

Proceedings of the International Web for All Conference, 2014

Understanding Level Estimation Using Discussion Maps for Supporting Consensus-building.

Hironobu Takagi, Kazutaka Shimada

Proceedings of the 18th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, 2014

Easy Handheld Training: Interactive Self-learning App for Elderly Smartphone Novices.

Yosuke Toyota, Daisuke Sato, Tsuneo Kato, Hironobu Takagi

Proceedings of the Universal Access in Human-Computer Interaction. Aging and Assistive Environments, 2014

Skill Development Framework for Micro-Tasking.

Shin Saito, Toshihiro Watanabe, Masatomo Kobayashi, Hironobu Takagi

Proceedings of the Universal Access in Human-Computer Interaction. Universal Access to Information and Knowledge, 2014

Involving Senior Workers in Crowdsourced Proofreading.

Toshinari Itoko, Shoma Arita, Masatomo Kobayashi, Hironobu Takagi

Proceedings of the Universal Access in Human-Computer Interaction. Aging and Assistive Environments, 2014

2013

Crowdsourcing platform for workplace accessibility.

Hironobu Takagi, Akihiro Kosugi, Shin Saito, Masayoshi Teraguchi

Proceedings of the International Cross-Disciplinary Conference on Web Accessibility, 2013

Investigation on work motivation of Japanese seniors and skill discovery from their résumés.

Takahiro Miura, Atsushi Hiyama, Masatomo Kobayashi, Hironobu Takagi, Naomi Yatomi, Michitaka Hirose

Proceedings of the 2013 IEEE/SICE International Symposium on System Integration, 2013

Question first: Passive interaction model for gathering experience and knowledge from the elderly.

Atsushi Hiyama, Yuki Nagai, Michitaka Hirose, Masatomo Kobayashi, Hironobu Takagi

Proceedings of the 2013 IEEE International Conference on Pervasive Computing and Communications Workshops, 2013

Lessons Learned from Crowd Accessibility Services.

Hironobu Takagi, Susumu Harada, Daisuke Sato, Chieko Asakawa

Proceedings of the Human-Computer Interaction - INTERACT 2013, 2013

Question-Answer Cards for an Inclusive Micro-tasking Framework for the Elderly.

Masatomo Kobayashi, Tatsuya Ishihara, Akihiro Kosugi, Hironobu Takagi, Chieko Asakawa

Proceedings of the Human-Computer Interaction - INTERACT 2013, 2013

Characteristics of Elderly User Behavior on Mobile Multi-touch Devices.

Susumu Harada, Daisuke Sato, Hironobu Takagi, Chieko Asakawa

Proceedings of the Human-Computer Interaction - INTERACT 2013, 2013

Age-Based Task Specialization for Crowdsourced Proofreading.

Masatomo Kobayashi, Tatsuya Ishihara, Toshinari Itoko, Hironobu Takagi, Chieko Asakawa

Proceedings of the Universal Access in Human-Computer Interaction. User and Context Diversity, 2013

How Unfamiliar Words in Smartphone Manuals Affect Senior Citizens.

Tatsuya Ishihara, Masatomo Kobayashi, Hironobu Takagi, Chieko Asakawa

Proceedings of the Universal Access in Human-Computer Interaction. Applications and Services for Quality of Life, 2013

Accessible photo album: enhancing the photo sharing experience for people with visual impairment.

Susumu Harada, Daisuke Sato, Dustin W. Adams, Sri Kurniawan, Hironobu Takagi, Chieko Asakawa

Proceedings of the 2013 ACM SIGCHI Conference on Human Factors in Computing Systems, 2013

2012

Transforming Japanese archives into accessible digital books.

Tatsuya Ishihara, Toshinari Itoko, Daisuke Sato, Asaf Tzadok, Hironobu Takagi

Proceedings of the 12th ACM/IEEE-CS Joint Conference on Digital Libraries, 2012

2011

Sasayaki: augmented voice web browsing experience.

Daisuke Sato, Shaojian Zhu, Masatomo Kobayashi, Hironobu Takagi, Chieko Asakawa

Proceedings of the International Conference on Human Factors in Computing Systems, 2011

On the audio representation of radial direction.

Susumu Harada, Hironobu Takagi, Chieko Asakawa

Proceedings of the International Conference on Human Factors in Computing Systems, 2011

How voice augmentation supports elderly web users.

Daisuke Sato, Masatomo Kobayashi, Hironobu Takagi, Chieko Asakawa, Jiro Tanaka

Proceedings of the 13th International ACM SIGACCESS Conference on Computers and Accessibility, 2011

2010

Exploratory Analysis of Collaborative Web Accessibility Improvement.

Daisuke Sato, Hironobu Takagi, Masatomo Kobayashi, Shinya Kawanaka, Chieko Asakawa

ACM Trans. Access. Comput., 2010

Social accessibility: the challenge of improving web accessibility through collaboration.

Daisuke Sato, Masatomo Kobayashi, Hironobu Takagi, Chieko Asakawa

Proceedings of the International Cross-Disciplinary Conference on Web Accessibility, 2010

Describing online videos with text-to-speech narration.

Masatomo Kobayashi, Tohru Nagano, Kentarou Fukuda, Hironobu Takagi

Proceedings of the International Cross-Disciplinary Conference on Web Accessibility, 2010

Sasayaki: an augmented voice-based web browsing experience.

Shaojian Zhu, Daisuke Sato, Hironobu Takagi, Chieko Asakawa

Proceedings of the 12th International ACM SIGACCESS Conference on Computers and Accessibility, 2010

Are synthesized video descriptions acceptable?

Masatomo Kobayashi, Trisha O'Connell, Bryan Gould, Hironobu Takagi, Chieko Asakawa

Proceedings of the 12th International ACM SIGACCESS Conference on Computers and Accessibility, 2010

2009

Accessibility commons: a metadata repository for web accessibility.

Shinya Kawanaka, Masatomo Kobayashi, Hironobu Takagi, Chieko Asakawa

SIGWEB Newsl., 2009

What's Next? A Visual Editor for Correcting Reading Order.

Daisuke Sato, Masatomo Kobayashi, Hironobu Takagi, Chieko Asakawa

Proceedings of the Human-Computer Interaction, 2009

Collaborative web accessibility improvement: challenges and possibilities.

Hironobu Takagi, Shinya Kawanaka, Masatomo Kobayashi, Daisuke Sato, Chieko Asakawa

Proceedings of the 11th International ACM SIGACCESS Conference on Computers and Accessibility, 2009

Providing synthesized audio description for online videos.

Masatomo Kobayashi, Kentarou Fukuda, Hironobu Takagi, Chieko Asakawa

Proceedings of the 11th International ACM SIGACCESS Conference on Computers and Accessibility, 2009

2008

Transcoding.

Chieko Asakawa, Hironobu Takagi

Proceedings of the Web Accessibility - A Foundation for Research, 2008

Social accessibility: achieving accessibility through collaborative metadata authoring.

Hironobu Takagi, Shinya Kawanaka, Masatomo Kobayashi, Takashi Itoh, Chieko Asakawa

Proceedings of the 10th International ACM SIGACCESS Conference on Computers and Accessibility, 2008

Accessibility commons: a metadata infrastructure for web accessibility.

Shinya Kawanaka, Yevgen Borodin, Jeffrey P. Bigham, Darren Lunn, Hironobu Takagi, Chieko Asakawa

Proceedings of the 10th International ACM SIGACCESS Conference on Computers and Accessibility, 2008

2007

Analysis of navigability of Web applications for improving blind usability.

Hironobu Takagi, Shin Saito, Kentarou Fukuda, Chieko Asakawa

ACM Trans. Comput. Hum. Interact., 2007

Making multimedia content accessible for screen reader users.

Hisashi Miyashita, Daisuke Sato, Hironobu Takagi, Chieko Asakawa

Proceedings of the 2007 International Cross-Disciplinary Conference on Web Accessibility (W4A 2007), 2007

Technology Advances and Standardization Toward Accessible Business Graphics.

Hironobu Takagi, Tatsuya Ishihara

Proceedings of the Universal Access in Human-Computer Interaction. Applications and Services, 2007

Making Multimedia Internet Content Accessible and Usable.

Hisashi Miyashita, Hironobu Takagi, Daisuke Sato, Chieko Asakawa

Proceedings of the Universal Access in Human-Computer Interaction. Applications and Services, 2007

Accessibility Evaluation for Multimedia Content.

Chieko Asakawa, Takashi Itoh, Hironobu Takagi, Hisashi Miyashita

Proceedings of the Universal Access in Human-Computer Interaction. Applications and Services, 2007

Automatic accessibility transcoding for flash content.

Daisuke Sato, Hisashi Miyashita, Hironobu Takagi, Chieko Asakawa

Proceedings of the 9th International ACM SIGACCESS Conference on Computers and Accessibility, 2007

Aibrowser for multimedia: introducing multimedia content accessibility for visually impaired users.

Hisashi Miyashita, Daisuke Sato, Hironobu Takagi, Chieko Asakawa

Proceedings of the 9th International ACM SIGACCESS Conference on Computers and Accessibility, 2007

2006

Accessibility evaluation based on machine learning technique.

Daisuke Sato, Hironobu Takagi, Chieko Asakawa

Proceedings of the 8th International ACM SIGACCESS Conference on Computers and Accessibility, 2006

Transforming flash to XML for accessibility evaluations.

Shin Saito, Hironobu Takagi, Chieko Asakawa

Proceedings of the 8th International ACM SIGACCESS Conference on Computers and Accessibility, 2006

Analyzing visual layout for a non-visual presentation-document interface.

Tatsuya Ishihara, Hironobu Takagi, Takashi Itoh, Chieko Asakawa

Proceedings of the 8th International ACM SIGACCESS Conference on Computers and Accessibility, 2006

2005

Proposing new metrics to evaluate web usability for the blind.

Kentarou Fukuda, Shin Saito, Hironobu Takagi, Chieko Asakawa

Proceedings of the Extended Abstracts Proceedings of the 2005 Conference on Human Factors in Computing Systems, 2005

2004

Accessibility designer: visualizing usability for the blind.

Hironobu Takagi, Chieko Asakawa, Kentarou Fukuda, Junji Maeda

ACM SIGACCESS Access. Comput., 2004

TAJODA: Proposed Tactile and Jog Dial Interface for the Blind.

Chieko Asakawa, Hironobu Takagi, Shuichi Ino, Tohru Ifukube

IEICE Trans. Inf. Syst., 2004

Web accessibility technology at the IBM Tokyo Research Laboratory.

Junji Maeda, Kentarou Fukuda, Hironobu Takagi, Chieko Asakawa

IBM J. Res. Dev., 2004

2003

WebDigest: Layout-preserving Visually Enhanced Web Pages.

Junji Maeda, Kentarou Fukuda, Hironobu Takagi, Chieko Asakawa

Proceedings of the 2003 Symposium on Applications and the Internet (SAINT 2003), 27-31 January 2003, 2003

RepairML: Linking Tools for Web Accessibility.

Hironobu Takagi, Kentarou Fukuda, Chieko Asakawa

Proceedings of the Human-Computer Interaction: Universal Access in HCI: Inclusive Design in the Information Society, 2003

An assist method for realizing a Web page structure for blind people.

Kentarou Fukuda, Hironobu Takagi, Junji Maeda, Chieko Asakawa

Proceedings of the Human-Computer Interaction: Universal Access in HCI: Inclusive Design in the Information Society, 2003

A Proposal for a Dial-based Interface for Voice Output Based on Blind Users' Cognitive Listening Abilities.

Chieko Asakawa, Hironobu Takagi, Shuichi Ino, Tohru Ifukube

Proceedings of the Human-Computer Interaction: Universal Access in HCI: Inclusive Design in the Information Society, 2003

2002

Site-wide annotation: reconstructing existing pages to be accessible.

Hironobu Takagi, Chieko Asakawa, Kentarou Fukuda, Junji Maeda

Proceedings of the ACM Conference on Assistive Technologies, 2002

Auditory and tactile interfaces for representing the visual effects on the web.

Chieko Asakawa, Hironobu Takagi, Shuichi Ino, Tohru Ifukube

Proceedings of the ACM Conference on Assistive Technologies, 2002

2001

Page-Customization allowing blind users to improve web accessibility by themselves.

Hironobu Takagi, Chieko Asakawa

Proceedings of the Universal Access In HCI: Towards an Information Society for All, 2001

An annotation editor for nonvisual web access.

Takashi Sakairi, Hironobu Takagi

Proceedings of the Universal Access In HCI: Towards an Information Society for All, 2001

Document reader for the blind.

Chieko Asakawa, Hironobu Takagi, Takashi Itoh

Proceedings of the Universal Access In HCI: Towards an Information Society for All, 2001

One-dimensional user interface for retrieving information from the web for the blind.

Chieko Asakawa, Hironobu Takagi

Proceedings of the Universal Access In HCI: Towards an Information Society for All, 2001

2000

Transcoding proxy for nonvisual web access.

Hironobu Takagi, Chieko Asakawa

Proceedings of the ACM Conference on Assistive Technologies, 2000

Annotation-based transcoding for nonvisual web access.

Chieko Asakawa, Hironobu Takagi

Proceedings of the ACM Conference on Assistive Technologies, 2000

1998

Development of an Eye-Movement Enhanced Translation Support System.

Hironobu Takagi

Proceedings of the Third Asian Pacific Computer and Human Interaction, 1998