Ryo Ishii

According to our database, Ryo Ishii authored at least 71 papers between 2006 and 2024.

Collaborative distances:

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

2024

Selecting Iconic Gesture Forms Based on Typical Entity Images.

Yukiko I. Nakano, Fumio Nihei, Ryo Ishii, Ryuichiro Higashinaka

J. Inf. Process., 2024

Rapport Prediction Using Pairwise Learning in Dyadic Conversations Among Strangers and Among Friends.

Takato Hayashi, Ryusei Kimura, Ryo Ishii, Fumio Nihei, Atsushi Fukayama, Shogo Okada

Proceedings of the Social Computing and Social Media, 2024

2023

Estimating and Visualizing Persuasiveness of Participants in Group Discussions.

Atsushi Ito, Yukiko I. Nakano, Fumio Nihei, Tatsuya Sakato, Ryo Ishii, Atsushi Fukayama, Takao Nakamura

J. Inf. Process., 2023

A Ranking Model for Evaluation of Conversation Partners Based on Rapport Levels.

Takato Hayashi, Candy Olivia Mawalim, Ryo Ishii, Akira Morikawa, Atsushi Fukayama, Takao Nakamura, Shogo Okada

IEEE Access, 2023

Investigating the effect of video extraction summarization techniques on the accuracy of impression conveyance in group dialogue.

Chihiro Takayama, Shinichirou Eitoku, Fumio Nihei, Ryo Ishii, Yukiko I. Nakano, Atsushi Fukayama

Proceedings of the 35th Australian Computer-Human Interaction Conference, 2023

Prediction of Various Backchannel Utterances Based on Multimodal Information.

Toshiki Onishi, Naoki Azuma, Shunichi Kinoshita, Ryo Ishii, Atsushi Fukayama, Takao Nakamura, Akihiro Miyata

Proceedings of the 23rd ACM International Conference on Intelligent Virtual Agents, 2023

A Study of Prediction of Listener's Comprehension Based on Multimodal Information.

Shunichi Kinoshita, Toshiki Onishi, Naoki Azuma, Ryo Ishii, Atsushi Fukayama, Takao Nakamura, Akihiro Miyata

Proceedings of the 23rd ACM International Conference on Intelligent Virtual Agents, 2023

How Far ahead Can Model Predict Gesture Pose from Speech and Spoken Text?

Ryo Ishii, Akira Morikawa, Shin'ichiro Eitoku, Atsushi Fukayama, Takao Nakamura

Proceedings of the 23rd ACM International Conference on Intelligent Virtual Agents, 2023

Prediction of Love-Like Scores After Speed Dating Based on Pre-obtainable Personal Characteristic Information.

Ryo Ishii, Fumio Nihei, Yoko Ishii, Atsushi Otsuka, Kazuya Matsuo, Narichika Nomoto, Atsushi Fukayama, Takao Nakamura

Proceedings of the Human-Computer Interaction - INTERACT 2023 - 19th IFIP TC13 International Conference, York, UK, August 28, 2023

Identifying Interlocutors' Behaviors and its Timings Involved with Impression Formation from Head-Movement Features and Linguistic Features.

Shumpei Otsuchi, Koya Ito, Yoko Ishii, Ryo Ishii, Shinichirou Eitoku, Kazuhiro Otsuka

Proceedings of the 25th International Conference on Multimodal Interaction, 2023

Continual Learning for Personalized Co-Speech Gesture Generation.

Chaitanya Ahuja, Pratik Joshi, Ryo Ishii, Louis-Philippe Morency

Proceedings of the IEEE/CVF International Conference on Computer Vision, 2023

Whether Contribution of Features Differ Between Video-Mediated and In-Person Meetings in Important Utterance Estimation.

Fumio Nihei, Ryo Ishii, Yukiko I. Nakano, Atsushi Fukayama, Takao Nakamura

Proceedings of the IEEE International Conference on Acoustics, 2023

Learning User Embeddings with Generating Context of Posted Social Network Service Texts.

Atsushi Otsuka, Kenta Hama, Narichika Nomoto, Ryo Ishii, Atsushi Fukayama, Takao Nakamura

Proceedings of the Social Computing and Social Media, 2023

2022

Modeling Japanese Praising Behavior by Analyzing Audio and Visual Behaviors.

Toshiki Onishi, Arisa Yamauchi, Asahi Ogushi, Ryo Ishii, Atsushi Fukayama, Takao Nakamura, Akihiro Miyata

Frontiers Comput. Sci., 2022

A Comparison of Praising Skills in Face-to-Face and Remote Dialogues.

Toshiki Onishi, Asahi Ogushi, Yohei Tahara, Ryo Ishii, Atsushi Fukayama, Takao Nakamura, Akihiro Miyata

Proceedings of the Thirteenth Language Resources and Evaluation Conference, 2022

Determining most suitable listener backchannel type for speaker's utterance.

Akira Morikawa, Ryo Ishii, Hajime Noto, Atsushi Fukayama, Takao Nakamura

Proceedings of the IVA '22: ACM International Conference on Intelligent Virtual Agents, Faro, Portugal, September 6, 2022

Predicting Persuasiveness of Participants in Multiparty Conversations.

Atsushi Ito, Yukiko I. Nakano, Fumio Nihei, Tatsuya Sakato, Ryo Ishii, Atsushi Fukayama, Takao Nakamura

Proceedings of the IUI 2022: 27th International Conference on Intelligent User Interfaces, Helsinki, Finland, March 22 - 25, 2022, 2022

Analysis of praising skills focusing on utterance contents.

Asahi Ogushi, Toshiki Onishi, Yohei Tahara, Ryo Ishii, Atsushi Fukayama, Takao Nakamura, Akihiro Miyata

Proceedings of the Interspeech 2022, 2022

Dialogue Acts Aided Important Utterance Detection Based on Multiparty and Multimodal Information.

Fumio Nihei, Ryo Ishii, Yukiko I. Nakano, Kyosuke Nishida, Ryo Masumura, Atsushi Fukayama, Takao Nakamura

Proceedings of the Interspeech 2022, 2022

2021

Methods for Efficiently Constructing Text-dialogue-agent System using Existing Anime Characters.

Ryo Ishii, Ryuichiro Higashinaka, Koh Mitsuda, Taichi Katayama, Masahiro Mizukami, Junji Tomita, Hidetoshi Kawabata, Emi Yamaguchi, Noritake Adachi, Yushi Aono

J. Inf. Process., 2021

Evaluation of Driver Assistance System Presenting Information of Other Vehicles through Peripheral Vision at Unsignalized Intersections.

Bo Yang, Ryo Ishii, Zheng Wang, Tsutomu Kaizuka, Toshiyuki Sugimachi, Toshiaki Sakurai, Tetsuo Maki, Kimihiko Nakano

Int. J. Intell. Transp. Syst. Res., 2021

Multimodal and Multitask Approach to Listener's Backchannel Prediction: Can Prediction of Turn-changing and Turn-management Willingness Improve Backchannel Modeling?

Ryo Ishii, Xutong Ren, Michal Muszynski, Louis-Philippe Morency

Proceedings of the IVA '21: ACM International Conference on Intelligent Virtual Agents, 2021

Estimation of Empathy Skill Level and Personal Traits Using Gaze Behavior and Dialogue Act During Turn-Changing.

Ryo Ishii, Shiro Kumano, Ryuichiro Higashinaka, Shiro Ozawa, Tetsuya Kinebuchi

Proceedings of the HCI International 2021 - Late Breaking Papers: Multimodality, eXtended Reality, and Artificial Intelligence, 2021

How People Distinguish Individuals from their Movements: Toward the Realization of Personalized Agents.

Chihiro Takayama, Mitsuhiro Goto, Shinichirou Eitoku, Ryo Ishii, Hajime Noto, Shiro Ozawa, Takao Nakamura

Proceedings of the HAI '21: International Conference on Human-Agent Interaction, Virtual Event, Japan, November 9, 2021

Learning Language and Multimodal Privacy-Preserving Markers of Mood from Mobile Data.

Paul Pu Liang, Terrance Liu, Anna Cai, Michal Muszynski, Ryo Ishii, Nicholas B. Allen, Randy Auerbach, David Brent, Ruslan Salakhutdinov, Louis-Philippe Morency

Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing, 2021

2020

Multimodal Privacy-preserving Mood Prediction from Mobile Data: A Preliminary Study.

Terrance Liu, Paul Pu Liang, Michal Muszynski, Ryo Ishii, David Brent, Randy Auerbach, Nicholas B. Allen, Louis-Philippe Morency

CoRR, 2020

Can Prediction of Turn-management Willingness Improve Turn-changing Modeling?

Ryo Ishii, Xutong Ren, Michal Muszynski, Louis-Philippe Morency

Proceedings of the IVA '20: ACM International Conference on Intelligent Virtual Agents, 2020

Impact of Personality on Nonverbal Behavior Generation.

Ryo Ishii, Chaitanya Ahuja, Yukiko I. Nakano, Louis-Philippe Morency

Proceedings of the IVA '20: ACM International Conference on Intelligent Virtual Agents, 2020

Analyzing Nonverbal Behaviors along with Praising.

Toshiki Onishi, Arisa Yamauchi, Ryo Ishii, Yushi Aono, Akihiro Miyata

Proceedings of the ICMI '20: International Conference on Multimodal Interaction, 2020

Methods of Efficiently Constructing Text-Dialogue-Agent System Using Existing Anime Character.

Ryo Ishii, Ryuichiro Higashinaka, Koh Mitsuda, Taichi Katayama, Masahiro Mizukami, Junji Tomita, Hidetoshi Kawabata, Emi Yamaguchi, Noritake Adachi, Yushi Aono

Proceedings of the HCI International 2020 - Late Breaking Papers: Interaction, Knowledge and Social Media, 2020

No Gestures Left Behind: Learning Relationships between Spoken Language and Freeform Gestures.

Chaitanya Ahuja, Dong Won Lee, Ryo Ishii, Louis-Philippe Morency

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2020, 2020

2019

Prediction of Who Will Be Next Speaker and When Using Mouth-Opening Pattern in Multi-Party Conversation.

Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Ryuichiro Higashinaka, Junji Tomita

Multimodal Technol. Interact., 2019

Automatic Head-Nod Generation Using Utterance Text Considering Personality Traits.

Ryo Ishii, Taichi Katayama, Ryuichiro Higashinaka, Junji Tomita

Proceedings of the Increasing Naturalness and Flexibility in Spoken Dialogue Interaction, 2019

Determining Iconic Gesture Forms based on Entity Image Representation.

Fumio Nihei, Yukiko I. Nakano, Ryuichiro Higashinaka, Ryo Ishii

Proceedings of the International Conference on Multimodal Interaction, 2019

Estimating Interpersonal Reactivity Scores Using Gaze Behavior and Dialogue Act During Turn-Changing.

Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Ryuichiro Higashinaka, Junji Tomita

Proceedings of the Social Computing and Social Media. Communication and Social Communities, 2019

Improving Speech-Based End-of-Turn Detection Via Cross-Modal Representation Learning with Punctuated Text Data.

Ryo Masumura, Mana Ihori, Tomohiro Tanaka, Atsushi Ando, Ryo Ishii, Takanobu Oba, Ryuichiro Higashinaka

Proceedings of the IEEE Automatic Speech Recognition and Understanding Workshop, 2019

2018

Neural Dialogue Context Online End-of-Turn Detection.

Ryo Masumura, Tomohiro Tanaka, Atsushi Ando, Ryo Ishii, Ryuichiro Higashinaka, Yushi Aono

Proceedings of the 19th Annual SIGdial Meeting on Discourse and Dialogue, 2018

Automatic Generation of Head Nods using Utterance Texts.

Ryo Ishii, Taichi Katayama, Ryuichiro Higashinaka, Junji Tomita

Proceedings of the 27th IEEE International Symposium on Robot and Human Interactive Communication, 2018

Predicting Nods by using Dialogue Acts in Dialogue.

Ryo Ishii, Ryuichiro Higashinaka, Junji Tomita

Proceedings of the Eleventh International Conference on Language Resources and Evaluation, 2018

Automatic Generation System of Virtual Agent's Motion using Natural Language.

Ryo Ishii, Taichi Katayama, Ryuichiro Higashinaka, Junji Tomita

Proceedings of the 18th International Conference on Intelligent Virtual Agents, 2018

Generating Body Motions using Spoken Language in Dialogue.

Ryo Ishii, Taichi Katayama, Ryuichiro Higashinaka, Junji Tomita

Proceedings of the 18th International Conference on Intelligent Virtual Agents, 2018

Analyzing Gaze Behavior and Dialogue Act during Turn-taking for Estimating Empathy Skill Level.

Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Ryuichiro Higashinaka, Junji Tomita

Proceedings of the 2018 on International Conference on Multimodal Interaction, 2018

Where Should Robots Talk?: Spatial Arrangement Study from a Participant Workload Perspective.

Takahiro Matsumoto, Mitsuhiro Goto, Ryo Ishii, Tomoki Watanabe, Tomohiro Yamada, Michita Imai

Proceedings of the 2018 ACM/IEEE International Conference on Human-Robot Interaction, 2018

Automatically Generating Head Nods with Linguistic Information.

Ryo Ishii, Ryuichiro Higashinaka, Kyosuke Nishida, Taichi Katayama, Nozomi Kobayashi, Junji Tomita

Proceedings of the Social Computing and Social Media. Technologies and Analytics, 2018

2017

Collective First-Person Vision for Automatic Gaze Analysis in Multiparty Conversations.

Shiro Kumano, Kazuhiro Otsuka, Ryo Ishii, Junji Yamato

IEEE Trans. Multim., 2017

Online End-of-Turn Detection from Speech Based on Stacked Time-Asynchronous Sequential Networks.

Ryo Masumura, Taichi Asami, Hirokazu Masataki, Ryo Ishii, Ryuichiro Higashinaka

Proceedings of the Interspeech 2017, 2017

Analyzing gaze behavior during turn-taking for estimating empathy skill level.

Ryo Ishii, Shiro Kumano, Kazuhiro Otsuka

Proceedings of the 19th ACM International Conference on Multimodal Interaction, 2017

Prediction of Next-Utterance Timing using Head Movement in Multi-Party Meetings.

Ryo Ishii, Shiro Kumano, Kazuhiro Otsuka

Proceedings of the 5th International Conference on Human Agent Interaction, 2017

Comparing empathy perceived by interlocutors in multiparty conversation and external observers.

Shiro Kumano, Ryo Ishii, Kazuhiro Otsuka

Proceedings of the Seventh International Conference on Affective Computing and Intelligent Interaction, 2017

Computational model of idiosyncratic perception of others' emotions.

Shiro Kumano, Ryo Ishii, Kazuhiro Otsuka

Proceedings of the Seventh International Conference on Affective Computing and Intelligent Interaction, 2017

2016

Using Respiration to Predict Who Will Speak Next and When in Multiparty Meetings.

Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Junji Yamato

ACM Trans. Interact. Intell. Syst., 2016

Prediction of Who Will Be the Next Speaker and When Using Gaze Behavior in Multiparty Meetings.

Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Junji Yamato

ACM Trans. Interact. Intell. Syst., 2016

Analyzing mouth-opening transition pattern for predicting next speaker in multi-party meetings.

Ryo Ishii, Shiro Kumano, Kazuhiro Otsuka

Proceedings of the 18th ACM International Conference on Multimodal Interaction, 2016

2015

Design and Evaluation of Mirror Interface MIOSS to Overlay Remote 3D Spaces.

Ryo Ishii, Shiro Ozawa, Akira Kojima, Kazuhiro Otsuka, Yuki Hayashi, Yukiko I. Nakano

Proceedings of the Human-Computer Interaction - INTERACT 2015, 2015

Multimodal Fusion using Respiration and Gaze for Predicting Next Speaker in Multi-Party Meetings.

Ryo Ishii, Shiro Kumano, Kazuhiro Otsuka

Proceedings of the 2015 ACM on International Conference on Multimodal Interaction, Seattle, WA, USA, November 09, 2015

Predicting next speaker based on head movement in multi-party meetings.

Ryo Ishii, Shiro Kumano, Kazuhiro Otsuka

Proceedings of the 2015 IEEE International Conference on Acoustics, 2015

Automatic gaze analysis in multiparty conversations based on Collective First-Person Vision.

Shiro Kumano, Kazuhiro Otsuka, Ryo Ishii, Junji Yamato

Proceedings of the 11th IEEE International Conference and Workshops on Automatic Face and Gesture Recognition, 2015

2014

Analysis of Timing Structure of Eye Contact in Turn-changing.

Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Junji Yamato

Proceedings of the 7th Workshop on Eye Gaze in Intelligent Human Machine Interaction: Eye-Gaze & Multimodality, 2014

Analysis of Respiration for Prediction of "Who Will Be Next Speaker and When?" in Multi-Party Meetings.

Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Junji Yamato

Proceedings of the 16th International Conference on Multimodal Interaction, 2014

Analysis and modeling of next speaking start timing based on gaze behavior in multi-party meetings.

Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Junji Yamato

Proceedings of the IEEE International Conference on Acoustics, 2014

2013

Gaze awareness in conversational agents: Estimating a user's conversational engagement from eye gaze.

Ryo Ishii, Yukiko I. Nakano, Toyoaki Nishida

ACM Trans. Interact. Intell. Syst., 2013

MM+Space: n x 4 degree-of-freedom kinetic display for recreating multiparty conversation spaces.

Kazuhiro Otsuka, Shiro Kumano, Ryo Ishii, Maja Zbogar, Junji Yamato

Proceedings of the 2013 International Conference on Multimodal Interaction, 2013

Predicting next speaker and timing from gaze transition patterns in multi-party meetings.

Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Masafumi Matsuda, Junji Yamato

Proceedings of the 2013 International Conference on Multimodal Interaction, 2013

Using a Probabilistic Topic Model to Link Observers' Perception Tendency to Personality.

Shiro Kumano, Kazuhiro Otsuka, Masafumi Matsuda, Ryo Ishii, Junji Yamato

Proceedings of the 2013 Humaine Association Conference on Affective Computing and Intelligent Interaction, 2013

Effectiveness of Gaze-Based Engagement Estimation in Conversational Agents.

Ryo Ishii, Ryota Ooko, Yukiko I. Nakano, Tokoaki Nishida

Proceedings of the Eye Gaze in Intelligent User Interfaces, 2013

2011

Estimating a User's Conversational Engagement Based on Head Pose Information.

Ryota Ooko, Ryo Ishii, Yukiko I. Nakano

Proceedings of the Intelligent Virtual Agents - 11th International Conference, 2011

MoPaCo: High telepresence video communication system using motion parallax with monocular camera.

Ryo Ishii, Shiro Ozawa, Harumi Kawamura, Akira Kojima

Proceedings of the IEEE International Conference on Computer Vision Workshops, 2011

MoPaCo: Pseudo 3D Video Communication System.

Ryo Ishii, Shiro Ozawa, Takafumi Mukouchi, Norihiko Matsuura

Proceedings of the Human Interface and the Management of Information. Interacting with Information, 2011

2010

Estimating user's engagement from eye-gaze behaviors in human-agent conversations.

Yukiko I. Nakano, Ryo Ishii

Proceedings of the 15th International Conference on Intelligent User Interfaces, 2010

2008

Estimating User's Conversational Engagement Based on Gaze Behaviors.

Ryo Ishii, Yukiko I. Nakano

Proceedings of the Intelligent Virtual Agents, 8th International Conference, 2008

2006

Avatar's Gaze Control to Facilitate Conversational Turn-Taking in Virtual-Space Multi-user Voice Chat System.

Ryo Ishii, Toshimitsu Miyajima, Kinya Fujita, Yukiko I. Nakano

Proceedings of the Intelligent Virtual Agents, 6th International Conference, 2006