Ryo Ishii

97 papers A* 2A 4B 39C 1Misc 4Journal 20Unranked 26
YearRankTypeTitle / Venue / Authors
2026 — conf
Externalizing Intent: Preserving Semantic Alignment in Graphic Recording Generation from Dialogue.
CHI Extended Abstracts
Yoko Ishii, Ichiro Umata, Ryo Ishii
2025 B conf
CDCGM: Composition-specified Dance Choreography Generation from Music.
FG
Ryo Ishii, Shin'ichiro Eitoku, Louis-Philippe Morency
2025 J jnl
Detecting Praising Behavior Based on Multimodal Information in Remote Dialogue.
J. Inf. Process.
Toshiki Onishi, Asahi Ogushi, Shunichi Kinoshita, Ryo Ishii, Atsushi Fukayama, Akihiro Miyata
2025 J jnl
Detecting Praising Behaviors Based on Multimodal Information.
IEICE Trans. Inf. Syst.
Toshiki Onishi, Asahi Ogushi, Ryo Ishii, Akihiro Miyata
2025 J jnl
Enhancing Impression Change Prediction in Speed Dating Simulations Based on Speakers' Personalities.
CoRR
Kazuya Matsuo, Yoko Ishii, Atsushi Otsuka, Ryo Ishii, Hiroaki Sugiyama, Masahiro Mizukami, Tsunehiro Arimoto, Narichika Nomoto, Yoshihide Sato, Tetsuya Yamaguchi
2025 — conf
Identifying Participant Roles in Online Group Discussions.
ICMI Companion
Kazuki Kodaira, Kazuki Nakaya, Jie Zeng, Hiyori Toda, Fumio Nihei, Ryo Ishii, Yukiko I. Nakano
2025 B conf
Impact of Personality on Generation of Co-speech Nonverbal Behaviors Represented by 3D Skeleton Pose.
HAI
Ryo Ishii, Shin'ichiro Eitoku, Yoshihide Sato
2025 J jnl
Impression Change Prediction Method Based on Speakers' Personalities in Speed Dating Dialogue Simulations.
J. Inf. Process.
Kazuya Matsuo, Yoko Ishii, Atsushi Otsuka, Ryo Ishii, Hiroaki Sugiyama, Masahiro Mizukami, Tsunehiro Arimoto, Narichika Nomoto, Yoshihide Sato, Tetsuya Yamaguchi
2025 B conf
Instant 3DCG Dance Generation System Based on Music and Dance Composition.
FG
Ryo Ishii, Shin'ichiro Eitoku, Keigo Fushio, Yoshihide Sato, Louis-Philippe Morency
2025 B conf
Investigating Role of Big Five Personality Traits in Audio-Visual Rapport Estimation.
FG
Takato Hayashi, Ryusei Kimura, Ryo Ishii, Shogo Okada
2025 — conf
LLM-Based Two-stage Reasoning for TNM Staging: NECMedDX atthe NTCIR-18 RadNLP Task.
NTCIR
Soma Onishi, Daisaku Shibata, Masanori Tsujikawa, Ryo Ishii, Junya Tominaga, Hideki Ota
2025 — conf
Multimodal Analysis of Listener's Active Listening Behaviors in Speed Dating Dialogues.
ICMI Companion
Asahi Ogushi, Naoki Azuma, Daichi Shikama, Ryo Ishii, Toshiki Onishi, Akihiro Miyata
2025 — conf
Multimodal Speed Dating Dataset: Behavioral Cues, Psychological Ratings, and Empirical Findings.
HCI (74)
Ryo Ishii, Yoko Ishii, Atsushi Otsuka, Kazuya Matsuo, Junichi Sawase
2025 B conf
Predicting End-of-turn and Backchannel Based on Multimodal Voice Activity Prediction Model.
ICMI
Ryo Ishii, Shin'ichiro Eitoku, Ryota Yokoyama, Junichi Sawase
2025 — conf
Support for Building Relationships in Speed Dating Through Observation of Pre-dialogue Simulations Using Digital Twins.
INTERACT (2)
Yoko Ishii, Ryo Ishii, Lidwina Andarini, Kazuya Matsuo, Atsushi Otsuka
2025 — conf
What Timing and Behavior Patterns Determine Speed Dating Success in Japan?
CHI Extended Abstracts
Naoki Azuma, Daichi Shikama, Asahi Ogushi, Toshiki Onishi, Ryo Ishii, Akihiro Miyata
2024 — conf
Emotion Recognition in Conversation with Multi-step Prompting Using Large Language Model.
HCI (20)
Kenta Hama, Atsushi Otsuka, Ryo Ishii
2024 J jnl
Exploring Multimodal Nonverbal Functional Features for Predicting the Subjective Impressions of Interlocutors.
IEEE Access
Koya Ito, Yoko Ishii, Ryo Ishii, Shin'ichiro Eitoku, Kazuhiro Otsuka
2024 B conf
GeSTICS: A Multimodal Corpus for Studying Gesture Synthesis in Two-party Interactions with Contextualized Speech.
IVA
Gaoussou Youssouf Kebe, Mehmet Deniz Birlikci, Auriane Boudin, Ryo Ishii, Jeffrey M. Girard, Louis-Philippe Morency
2024 J jnl
Investigating Role of Big Five Personality Traits in Audio-Visual Rapport Estimation.
CoRR
Takato Hayashi, Ryusei Kimura, Ryo Ishii, Shogo Okada
2024 — conf
Is Corpus Suitable for Human Perception?: Quality Assessment of Voice Response Timing in Conversational Corpus through Timing Replacement.
APSIPA
Sadahiro Yoshikawa, Ryo Ishii, Shogo Okada
2024 — conf
Let's Dance Together! AI Dancers Can Dance to Your Favorite Music and Style.
ICMI Companion
Ryo Ishii, Shin'ichiro Eitoku, Shohei Matsuo, Motohiro Makiguchi, Ayami Hoshi, Louis-Philippe Morency
2024 B conf
Participation Role-Driven Engagement Estimation of ASD Individuals in Neurodiverse Group Discussions.
ICMI
Kalin Stefanov, Yukiko I. Nakano, Chisa Kobayashi, Ibuki Hoshina, Tatsuya Sakato, Fumio Nihei, Chihiro Takayama, Ryo Ishii, Masatsugu Tsujii
2024 B conf
Prediction of Praising Skills Based on Multimodal Information.
ACII
Toshiki Onishi, Asahi Ogushi, Ryo Ishii, Atsushi Fukayama, Akihiro Miyata
2024 — conf
Rapport Prediction Using Pairwise Learning in Dyadic Conversations Among Strangers and Among Friends.
HCI (22)
Takato Hayashi, Ryusei Kimura, Ryo Ishii, Fumio Nihei, Atsushi Fukayama, Shogo Okada
2024 J jnl
Selecting Iconic Gesture Forms Based on Typical Entity Images.
J. Inf. Process.
Yukiko I. Nakano, Fumio Nihei, Ryo Ishii, Ryuichiro Higashinaka
2024 J jnl
User-Specific Dialogue Generation with User Profile-Aware Pre-Training Model and Parameter-Efficient Fine-Tuning.
CoRR
Atsushi Otsuka, Kazuya Matsuo, Ryo Ishii, Narichika Nomoto, Hiroaki Sugiyama
2023 J jnl
A Ranking Model for Evaluation of Conversation Partners Based on Rapport Levels.
IEEE Access
Takato Hayashi, Candy Olivia Mawalim, Ryo Ishii, Akira Morikawa, Atsushi Fukayama, Takao Nakamura, Shogo Okada
2023 B conf
A Study of Prediction of Listener's Comprehension Based on Multimodal Information.
IVA
Shunichi Kinoshita, Toshiki Onishi, Naoki Azuma, Ryo Ishii, Atsushi Fukayama, Takao Nakamura, Akihiro Miyata
2023 A* conf
Continual Learning for Personalized Co-Speech Gesture Generation.
ICCV
Chaitanya Ahuja, Pratik Joshi, Ryo Ishii, Louis-Philippe Morency
2023 J jnl
Estimating and Visualizing Persuasiveness of Participants in Group Discussions.
J. Inf. Process.
Atsushi Ito, Yukiko I. Nakano, Fumio Nihei, Tatsuya Sakato, Ryo Ishii, Atsushi Fukayama, Takao Nakamura
2023 B conf
How Far ahead Can Model Predict Gesture Pose from Speech and Spoken Text?
IVA
Ryo Ishii, Akira Morikawa, Shin'ichiro Eitoku, Atsushi Fukayama, Takao Nakamura
2023 B conf
Identifying Interlocutors' Behaviors and its Timings Involved with Impression Formation from Head-Movement Features and Linguistic Features.
ICMI
Shumpei Otsuchi, Koya Ito, Yoko Ishii, Ryo Ishii, Shinichirou Eitoku, Kazuhiro Otsuka
2023 Misc conf
Investigating the effect of video extraction summarization techniques on the accuracy of impression conveyance in group dialogue.
OZCHI
Chihiro Takayama, Shinichirou Eitoku, Fumio Nihei, Ryo Ishii, Yukiko I. Nakano, Atsushi Fukayama
2023 — conf
Learning User Embeddings with Generating Context of Posted Social Network Service Texts.
HCI (15)
Atsushi Otsuka, Kenta Hama, Narichika Nomoto, Ryo Ishii, Atsushi Fukayama, Takao Nakamura
2023 — conf
Prediction of Love-Like Scores After Speed Dating Based on Pre-obtainable Personal Characteristic Information.
INTERACT (4)
Ryo Ishii, Fumio Nihei, Yoko Ishii, Atsushi Otsuka, Kazuya Matsuo, Narichika Nomoto, Atsushi Fukayama, Takao Nakamura
2023 B conf
Prediction of Various Backchannel Utterances Based on Multimodal Information.
IVA
Toshiki Onishi, Naoki Azuma, Shunichi Kinoshita, Ryo Ishii, Atsushi Fukayama, Takao Nakamura, Akihiro Miyata
2023 Misc conf
Whether Contribution of Features Differ Between Video-Mediated and In-Person Meetings in Important Utterance Estimation.
ICASSP
Fumio Nihei, Ryo Ishii, Yukiko I. Nakano, Atsushi Fukayama, Takao Nakamura
2022 B conf
A Comparison of Praising Skills in Face-to-Face and Remote Dialogues.
LREC
Toshiki Onishi, Asahi Ogushi, Yohei Tahara, Ryo Ishii, Atsushi Fukayama, Takao Nakamura, Akihiro Miyata
2022 A conf
Analysis of praising skills focusing on utterance contents.
INTERSPEECH
Asahi Ogushi, Toshiki Onishi, Yohei Tahara, Ryo Ishii, Atsushi Fukayama, Takao Nakamura, Akihiro Miyata
2022 B conf
Determining most suitable listener backchannel type for speaker's utterance.
IVA
Akira Morikawa, Ryo Ishii, Hajime Noto, Atsushi Fukayama, Takao Nakamura
2022 A conf
Dialogue Acts Aided Important Utterance Detection Based on Multiparty and Multimodal Information.
INTERSPEECH
Fumio Nihei, Ryo Ishii, Yukiko I. Nakano, Kyosuke Nishida, Ryo Masumura, Atsushi Fukayama, Takao Nakamura
2022 J jnl
Modeling Japanese Praising Behavior by Analyzing Audio and Visual Behaviors.
Frontiers Comput. Sci.
Toshiki Onishi, Arisa Yamauchi, Asahi Ogushi, Ryo Ishii, Atsushi Fukayama, Takao Nakamura, Akihiro Miyata
2022 — conf
Predicting Persuasiveness of Participants in Multiparty Conversations.
IUI Companion
Atsushi Ito, Yukiko I. Nakano, Fumio Nihei, Tatsuya Sakato, Ryo Ishii, Atsushi Fukayama, Takao Nakamura
2021 — conf
Estimation of Empathy Skill Level and Personal Traits Using Gaze Behavior and Dialogue Act During Turn-Changing.
HCI (41)
Ryo Ishii, Shiro Kumano, Ryuichiro Higashinaka, Shiro Ozawa, Tetsuya Kinebuchi
2021 J jnl
Evaluation of Driver Assistance System Presenting Information of Other Vehicles through Peripheral Vision at Unsignalized Intersections.
Int. J. Intell. Transp. Syst. Res.
Bo Yang, Ryo Ishii, Zheng Wang, Tsutomu Kaizuka, Toshiyuki Sugimachi, Toshiaki Sakurai, Tetsuo Maki, Kimihiko Nakano
2021 B conf
How People Distinguish Individuals from their Movements: Toward the Realization of Personalized Agents.
HAI
Chihiro Takayama, Mitsuhiro Goto, Shinichirou Eitoku, Ryo Ishii, Hajime Noto, Shiro Ozawa, Takao Nakamura
2021 — conf
Learning Language and Multimodal Privacy-Preserving Markers of Mood from Mobile Data.
ACL/IJCNLP (1)
Paul Pu Liang, Terrance Liu, Anna Cai, Michal Muszynski, Ryo Ishii, Nicholas B. Allen, Randy Auerbach, David Brent, Ruslan Salakhutdinov, Louis-Philippe Morency
2021 J jnl
Learning Language and Multimodal Privacy-Preserving Markers of Mood from Mobile Data.
CoRR
Paul Pu Liang, Terrance Liu, Anna Cai, Michal Muszynski, Ryo Ishii, Nicholas B. Allen, Randy Auerbach, David Brent, Ruslan Salakhutdinov, Louis-Philippe Morency
2021 J jnl
Methods for Efficiently Constructing Text-dialogue-agent System using Existing Anime Characters.
J. Inf. Process.
Ryo Ishii, Ryuichiro Higashinaka, Koh Mitsuda, Taichi Katayama, Masahiro Mizukami, Junji Tomita, Hidetoshi Kawabata, Emi Yamaguchi, Noritake Adachi, Yushi Aono
2021 B conf
Multimodal and Multitask Approach to Listener's Backchannel Prediction: Can Prediction of Turn-changing and Turn-management Willingness Improve Backchannel Modeling?
IVA
Ryo Ishii, Xutong Ren, Michal Muszynski, Louis-Philippe Morency
2020 B conf
Analyzing Nonverbal Behaviors along with Praising.
ICMI
Toshiki Onishi, Arisa Yamauchi, Ryo Ishii, Yushi Aono, Akihiro Miyata
2020 B conf
Can Prediction of Turn-management Willingness Improve Turn-changing Modeling?
IVA
Ryo Ishii, Xutong Ren, Michal Muszynski, Louis-Philippe Morency
2020 B conf
Impact of Personality on Nonverbal Behavior Generation.
IVA
Ryo Ishii, Chaitanya Ahuja, Yukiko I. Nakano, Louis-Philippe Morency
2020 — conf
Methods of Efficiently Constructing Text-Dialogue-Agent System Using Existing Anime Character.
HCI (45)
Ryo Ishii, Ryuichiro Higashinaka, Koh Mitsuda, Taichi Katayama, Masahiro Mizukami, Junji Tomita, Hidetoshi Kawabata, Emi Yamaguchi, Noritake Adachi, Yushi Aono
2020 J jnl
Multimodal Privacy-preserving Mood Prediction from Mobile Data: A Preliminary Study.
CoRR
Terrance Liu, Paul Pu Liang, Michal Muszynski, Ryo Ishii, David Brent, Randy Auerbach, Nicholas B. Allen, Louis-Philippe Morency
2020 — conf
No Gestures Left Behind: Learning Relationships between Spoken Language and Freeform Gestures.
EMNLP (Findings)
Chaitanya Ahuja, Dong Won Lee, Ryo Ishii, Louis-Philippe Morency
2019 — conf
Automatic Head-Nod Generation Using Utterance Text Considering Personality Traits.
IWSDS
Ryo Ishii, Taichi Katayama, Ryuichiro Higashinaka, Junji Tomita
2019 B conf
Determining Iconic Gesture Forms based on Entity Image Representation.
ICMI
Fumio Nihei, Yukiko I. Nakano, Ryuichiro Higashinaka, Ryo Ishii
2019 — conf
Estimating Interpersonal Reactivity Scores Using Gaze Behavior and Dialogue Act During Turn-Changing.
HCI (14)
Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Ryuichiro Higashinaka, Junji Tomita
2019 C conf
Improving Speech-Based End-of-Turn Detection Via Cross-Modal Representation Learning with Punctuated Text Data.
ASRU
Ryo Masumura, Mana Ihori, Tomohiro Tanaka, Atsushi Ando, Ryo Ishii, Takanobu Oba, Ryuichiro Higashinaka
2019 J jnl
Prediction of Who Will Be Next Speaker and When Using Mouth-Opening Pattern in Multi-Party Conversation.
Multimodal Technol. Interact.
Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Ryuichiro Higashinaka, Junji Tomita
2018 B conf
Analyzing Gaze Behavior and Dialogue Act during Turn-taking for Estimating Empathy Skill Level.
ICMI
Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Ryuichiro Higashinaka, Junji Tomita
2018 B conf
Automatic Generation System of Virtual Agent's Motion using Natural Language.
IVA
Ryo Ishii, Taichi Katayama, Ryuichiro Higashinaka, Junji Tomita
2018 B conf
Automatic Generation of Head Nods using Utterance Texts.
RO-MAN
Ryo Ishii, Taichi Katayama, Ryuichiro Higashinaka, Junji Tomita
2018 — conf
Automatically Generating Head Nods with Linguistic Information.
HCI (14)
Ryo Ishii, Ryuichiro Higashinaka, Kyosuke Nishida, Taichi Katayama, Nozomi Kobayashi, Junji Tomita
2018 B conf
Generating Body Motions using Spoken Language in Dialogue.
IVA
Ryo Ishii, Taichi Katayama, Ryuichiro Higashinaka, Junji Tomita
2018 — conf
Neural Dialogue Context Online End-of-Turn Detection.
SIGDIAL Conference
Ryo Masumura, Tomohiro Tanaka, Atsushi Ando, Ryo Ishii, Ryuichiro Higashinaka, Yushi Aono
2018 B conf
Predicting Nods by using Dialogue Acts in Dialogue.
LREC
Ryo Ishii, Ryuichiro Higashinaka, Junji Tomita
2018 A* conf
Where Should Robots Talk?: Spatial Arrangement Study from a Participant Workload Perspective.
HRI
Takahiro Matsumoto, Mitsuhiro Goto, Ryo Ishii, Tomoki Watanabe, Tomohiro Yamada, Michita Imai
2017 B conf
Analyzing gaze behavior during turn-taking for estimating empathy skill level.
ICMI
Ryo Ishii, Shiro Kumano, Kazuhiro Otsuka
2017 J jnl
Collective First-Person Vision for Automatic Gaze Analysis in Multiparty Conversations.
IEEE Trans. Multim.
Shiro Kumano, Kazuhiro Otsuka, Ryo Ishii, Junji Yamato
2017 B conf
Comparing empathy perceived by interlocutors in multiparty conversation and external observers.
ACII
Shiro Kumano, Ryo Ishii, Kazuhiro Otsuka
2017 B conf
Computational model of idiosyncratic perception of others' emotions.
ACII
Shiro Kumano, Ryo Ishii, Kazuhiro Otsuka
2017 A conf
Online End-of-Turn Detection from Speech Based on Stacked Time-Asynchronous Sequential Networks.
INTERSPEECH
Ryo Masumura, Taichi Asami, Hirokazu Masataki, Ryo Ishii, Ryuichiro Higashinaka
2017 B conf
Prediction of Next-Utterance Timing using Head Movement in Multi-Party Meetings.
HAI
Ryo Ishii, Shiro Kumano, Kazuhiro Otsuka
2016 B conf
Analyzing mouth-opening transition pattern for predicting next speaker in multi-party meetings.
ICMI
Ryo Ishii, Shiro Kumano, Kazuhiro Otsuka
2016 J jnl
Prediction of Who Will Be the Next Speaker and When Using Gaze Behavior in Multiparty Meetings.
ACM Trans. Interact. Intell. Syst.
Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Junji Yamato
2016 J jnl
Using Respiration to Predict Who Will Speak Next and When in Multiparty Meetings.
ACM Trans. Interact. Intell. Syst.
Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Junji Yamato
2015 B conf
Automatic gaze analysis in multiparty conversations based on Collective First-Person Vision.
FG
Shiro Kumano, Kazuhiro Otsuka, Ryo Ishii, Junji Yamato
2015 — conf
Design and Evaluation of Mirror Interface MIOSS to Overlay Remote 3D Spaces.
INTERACT (4)
Ryo Ishii, Shiro Ozawa, Akira Kojima, Kazuhiro Otsuka, Yuki Hayashi, Yukiko I. Nakano
2015 B conf
Multimodal Fusion using Respiration and Gaze for Predicting Next Speaker in Multi-Party Meetings.
ICMI
Ryo Ishii, Shiro Kumano, Kazuhiro Otsuka
2015 Misc conf
Predicting next speaker based on head movement in multi-party meetings.
ICASSP
Ryo Ishii, Shiro Kumano, Kazuhiro Otsuka
2014 Misc conf
Analysis and modeling of next speaking start timing based on gaze behavior in multi-party meetings.
ICASSP
Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Junji Yamato
2014 B conf
Analysis of Respiration for Prediction of "Who Will Be Next Speaker and When?" in Multi-Party Meetings.
ICMI
Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Junji Yamato
2014 — conf
Analysis of Timing Structure of Eye Contact in Turn-changing.
GazeIn@ICMI
Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Junji Yamato
2013 — ch.
Effectiveness of Gaze-Based Engagement Estimation in Conversational Agents.
Eye Gaze in Intelligent User Interfaces
Ryo Ishii, Ryota Ooko, Yukiko I. Nakano, Tokoaki Nishida
2013 J jnl
Gaze awareness in conversational agents: Estimating a user's conversational engagement from eye gaze.
ACM Trans. Interact. Intell. Syst.
Ryo Ishii, Yukiko I. Nakano, Toyoaki Nishida
2013 B conf
MM+Space: n x 4 degree-of-freedom kinetic display for recreating multiparty conversation spaces.
ICMI
Kazuhiro Otsuka, Shiro Kumano, Ryo Ishii, Maja Zbogar, Junji Yamato
2013 B conf
Predicting next speaker and timing from gaze transition patterns in multi-party meetings.
ICMI
Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Masafumi Matsuda, Junji Yamato
2013 B conf
Using a Probabilistic Topic Model to Link Observers' Perception Tendency to Personality.
ACII
Shiro Kumano, Kazuhiro Otsuka, Masafumi Matsuda, Ryo Ishii, Junji Yamato
2011 B conf
Estimating a User's Conversational Engagement Based on Head Pose Information.
IVA
Ryota Ooko, Ryo Ishii, Yukiko I. Nakano
2011 — conf
MoPaCo: High telepresence video communication system using motion parallax with monocular camera.
ICCV Workshops
Ryo Ishii, Shiro Ozawa, Harumi Kawamura, Akira Kojima
2011 — conf
MoPaCo: Pseudo 3D Video Communication System.
HCI (12)
Ryo Ishii, Shiro Ozawa, Takafumi Mukouchi, Norihiko Matsuura
2010 A conf
Estimating user's engagement from eye-gaze behaviors in human-agent conversations.
IUI
Yukiko I. Nakano, Ryo Ishii
2008 B conf
Estimating User's Conversational Engagement Based on Gaze Behaviors.
IVA
Ryo Ishii, Yukiko I. Nakano
2006 B conf
Avatar's Gaze Control to Facilitate Conversational Turn-Taking in Virtual-Space Multi-user Voice Chat System.
IVA
Ryo Ishii, Toshimitsu Miyajima, Kinya Fujita, Yukiko I. Nakano