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 (IVA, 2006)

Estimating User's Conversational Engagement Based on Gaze Behaviors. - Ryo Ishii; Yukiko I. Nakano (IVA, 2008)

Estimating user's engagement from eye-gaze behaviors in human-agent conversations. - Yukiko I. Nakano; Ryo Ishii (IUI, 2010)

MoPaCo: Pseudo 3D Video Communication System. - Ryo Ishii; Shiro Ozawa; Takafumi Mukouchi; Norihiko Matsuura (HCI (12), 2011)

MoPaCo: High telepresence video communication system using motion parallax with monocular camera. - Ryo Ishii; Shiro Ozawa; Harumi Kawamura; Akira Kojima (ICCV Workshops, 2011)

Estimating a User's Conversational Engagement Based on Head Pose Information. - Ryota Ooko; Ryo Ishii; Yukiko I. Nakano (IVA, 2011)

Effectiveness of Gaze-Based Engagement Estimation in Conversational Agents. - Ryo Ishii; Ryota Ooko; Yukiko I. Nakano; Tokoaki Nishida (Eye Gaze in Intelligent User Interfaces, 2013)

Using a Probabilistic Topic Model to Link Observers' Perception Tendency to Personality. - Shiro Kumano; Kazuhiro Otsuka; Masafumi Matsuda; Ryo Ishii; Junji Yamato (ACII, 2013)

Predicting next speaker and timing from gaze transition patterns in multi-party meetings. - Ryo Ishii; Kazuhiro Otsuka; Shiro Kumano; Masafumi Matsuda; Junji Yamato (ICMI, 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 (ICMI, 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)

Analysis and modeling of next speaking start timing based on gaze behavior in multi-party meetings. - Ryo Ishii; Kazuhiro Otsuka; Shiro Kumano; Junji Yamato (ICASSP, 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 (ICMI, 2014)

Analysis of Timing Structure of Eye Contact in Turn-changing. - Ryo Ishii; Kazuhiro Otsuka; Shiro Kumano; Junji Yamato (GazeIn@ICMI, 2014)

Automatic gaze analysis in multiparty conversations based on Collective First-Person Vision. - Shiro Kumano; Kazuhiro Otsuka; Ryo Ishii; Junji Yamato (FG, 2015)

Predicting next speaker based on head movement in multi-party meetings. - Ryo Ishii; Shiro Kumano; Kazuhiro Otsuka (ICASSP, 2015)

Multimodal Fusion using Respiration and Gaze for Predicting Next Speaker in Multi-Party Meetings. - Ryo Ishii; Shiro Kumano; Kazuhiro Otsuka (ICMI, 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 (INTERACT (4), 2015)

Analyzing mouth-opening transition pattern for predicting next speaker in multi-party meetings. - Ryo Ishii; Shiro Kumano; Kazuhiro Otsuka (ICMI, 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)

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)

Computational model of idiosyncratic perception of others' emotions. - Shiro Kumano; Ryo Ishii; Kazuhiro Otsuka (ACII, 2017)

Comparing empathy perceived by interlocutors in multiparty conversation and external observers. - Shiro Kumano; Ryo Ishii; Kazuhiro Otsuka (ACII, 2017)

Prediction of Next-Utterance Timing using Head Movement in Multi-Party Meetings. - Ryo Ishii; Shiro Kumano; Kazuhiro Otsuka (HAI, 2017)

Analyzing gaze behavior during turn-taking for estimating empathy skill level. - Ryo Ishii; Shiro Kumano; Kazuhiro Otsuka (ICMI, 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 (INTERSPEECH, 2017)

Collective First-Person Vision for Automatic Gaze Analysis in Multiparty Conversations. - Shiro Kumano; Kazuhiro Otsuka; Ryo Ishii; Junji Yamato (IEEE Trans. Multim., 2017)

Automatically Generating Head Nods with Linguistic Information. - Ryo Ishii; Ryuichiro Higashinaka; Kyosuke Nishida; Taichi Katayama; Nozomi Kobayashi; Junji Tomita (HCI (14), 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 (HRI, 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 (ICMI, 2018)

Generating Body Motions using Spoken Language in Dialogue. - Ryo Ishii; Taichi Katayama; Ryuichiro Higashinaka; Junji Tomita (IVA, 2018)

Automatic Generation System of Virtual Agent's Motion using Natural Language. - Ryo Ishii; Taichi Katayama; Ryuichiro Higashinaka; Junji Tomita (IVA, 2018)

Predicting Nods by using Dialogue Acts in Dialogue. - Ryo Ishii; Ryuichiro Higashinaka; Junji Tomita (LREC, 2018)

Automatic Generation of Head Nods using Utterance Texts. - Ryo Ishii; Taichi Katayama; Ryuichiro Higashinaka; Junji Tomita (RO-MAN, 2018)

Neural Dialogue Context Online End-of-Turn Detection. - Ryo Masumura; Tomohiro Tanaka; Atsushi Ando; Ryo Ishii; Ryuichiro Higashinaka; Yushi Aono (SIGDIAL Conference, 2018)

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 (ASRU, 2019)

Estimating Interpersonal Reactivity Scores Using Gaze Behavior and Dialogue Act During Turn-Changing. - Ryo Ishii; Kazuhiro Otsuka; Shiro Kumano; Ryuichiro Higashinaka; Junji Tomita (HCI (14), 2019)

Determining Iconic Gesture Forms based on Entity Image Representation. - Fumio Nihei; Yukiko I. Nakano; Ryuichiro Higashinaka; Ryo Ishii (ICMI, 2019)

Automatic Head-Nod Generation Using Utterance Text Considering Personality Traits. - Ryo Ishii; Taichi Katayama; Ryuichiro Higashinaka; Junji Tomita (IWSDS, 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)

No Gestures Left Behind: Learning Relationships between Spoken Language and Freeform Gestures. - Chaitanya Ahuja; Dong Won Lee 007; Ryo Ishii; Louis-Philippe Morency (EMNLP (Findings), 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 (HCI (45), 2020)

Analyzing Nonverbal Behaviors along with Praising. - Toshiki Onishi; Arisa Yamauchi; Ryo Ishii; Yushi Aono; Akihiro Miyata (ICMI, 2020)

Impact of Personality on Nonverbal Behavior Generation. - Ryo Ishii; Chaitanya Ahuja; Yukiko I. Nakano; Louis-Philippe Morency (IVA, 2020)

Can Prediction of Turn-management Willingness Improve Turn-changing Modeling? - Ryo Ishii; Xutong Ren; Michal Muszynski; Louis-Philippe Morency (IVA, 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)

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 (ACL/IJCNLP (1), 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 (HAI, 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 (HCI (41), 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 (IVA, 2021)

Evaluation of Driver Assistance System Presenting Information of Other Vehicles through Peripheral Vision at Unsignalized Intersections. - Bo Yang 044; Ryo Ishii; Zheng Wang 039; Tsutomu Kaizuka; Toshiyuki Sugimachi; Toshiaki Sakurai; Tetsuo Maki; Kimihiko Nakano (Int. J. Intell. Transp. Syst. Res., 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)

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 (INTERSPEECH, 2022)

Analysis of praising skills focusing on utterance contents. - Asahi Ogushi; Toshiki Onishi; Yohei Tahara; Ryo Ishii; Atsushi Fukayama; Takao Nakamura; Akihiro Miyata (INTERSPEECH, 2022)

Predicting Persuasiveness of Participants in Multiparty Conversations. - Atsushi Ito; Yukiko I. Nakano; Fumio Nihei; Tatsuya Sakato; Ryo Ishii; Atsushi Fukayama; Takao Nakamura (IUI Companion, 2022)

Determining most suitable listener backchannel type for speaker's utterance. - Akira Morikawa; Ryo Ishii; Hajime Noto; Atsushi Fukayama; Takao Nakamura (IVA, 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 (LREC, 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)

Learning User Embeddings with Generating Context of Posted Social Network Service Texts. - Atsushi Otsuka; Kenta Hama; Narichika Nomoto; Ryo Ishii; Atsushi Fukayama; Takao Nakamura (HCI (15), 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 (ICASSP, 2023)

Continual Learning for Personalized Co-Speech Gesture Generation. - Chaitanya Ahuja; Pratik Joshi; Ryo Ishii; Louis-Philippe Morency (ICCV, 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 (ICMI, 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 (INTERACT (4), 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 (IVA, 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 (IVA, 2023)

Prediction of Various Backchannel Utterances Based on Multimodal Information. - Toshiki Onishi; Naoki Azuma; Shunichi Kinoshita; Ryo Ishii; Atsushi Fukayama; Takao Nakamura; Akihiro Miyata (IVA, 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 (OZCHI, 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)

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)

Prediction of Praising Skills Based on Multimodal Information. - Toshiki Onishi; Asahi Ogushi; Ryo Ishii; Atsushi Fukayama; Akihiro Miyata (ACII, 2024)

Is Corpus Suitable for Human Perception?: Quality Assessment of Voice Response Timing in Conversational Corpus through Timing Replacement. - Sadahiro Yoshikawa; Ryo Ishii; Shogo Okada (APSIPA, 2024)

Emotion Recognition in Conversation with Multi-step Prompting Using Large Language Model. - Kenta Hama; Atsushi Otsuka; Ryo Ishii (HCI (20), 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 (HCI (22), 2024)

Let's Dance Together! AI Dancers Can Dance to Your Favorite Music and Style. - Ryo Ishii; Shin'ichiro Eitoku; Shohei Matsuo; Motohiro Makiguchi; Ayami Hoshi; Louis-Philippe Morency (ICMI Companion, 2024)

Participation Role-Driven Engagement Estimation of ASD Individuals in Neurodiverse Group Discussions. - Kalin Stefanov; Yukiko I. Nakano; Chisa Kobayashi; Ibuki Hoshina; Tatsuya Sakato; Fumio Nihei; Chihiro Takayama; Ryo Ishii; Masatsugu Tsujii (ICMI, 2024)

GeSTICS: A Multimodal Corpus for Studying Gesture Synthesis in Two-party Interactions with Contextualized Speech. - Gaoussou Youssouf Kebe; Mehmet Deniz Birlikci; Auriane Boudin; Ryo Ishii; Jeffrey M. Girard; Louis-Philippe Morency (IVA, 2024)

Exploring Multimodal Nonverbal Functional Features for Predicting the Subjective Impressions of Interlocutors. - Koya Ito; Yoko Ishii; Ryo Ishii; Shin'ichiro Eitoku; Kazuhiro Otsuka (IEEE Access, 2024)

User-Specific Dialogue Generation with User Profile-Aware Pre-Training Model and Parameter-Efficient Fine-Tuning. - Atsushi Otsuka; Kazuya Matsuo; Ryo Ishii; Narichika Nomoto; Hiroaki Sugiyama (CoRR, 2024)

Investigating Role of Big Five Personality Traits in Audio-Visual Rapport Estimation. - Takato Hayashi; Ryusei Kimura; Ryo Ishii; Shogo Okada (CoRR, 2024)

Selecting Iconic Gesture Forms Based on Typical Entity Images. - Yukiko I. Nakano; Fumio Nihei; Ryo Ishii; Ryuichiro Higashinaka (J. Inf. Process., 2024)

What Timing and Behavior Patterns Determine Speed Dating Success in Japan? - Naoki Azuma; Daichi Shikama; Asahi Ogushi; Toshiki Onishi; Ryo Ishii; Akihiro Miyata (CHI Extended Abstracts, 2025)

Predicting End-of-turn and Backchannel Based on Multimodal Voice Activity Prediction Model. - Ryo Ishii; Shin'ichiro Eitoku; Ryota Yokoyama; Junichi Sawase (ICMI, 2025)

Identifying Participant Roles in Online Group Discussions. - Kazuki Kodaira; Kazuki Nakaya; Jie Zeng; Hiyori Toda; Fumio Nihei; Ryo Ishii; Yukiko I. Nakano (ICMI Companion, 2025)

Multimodal Analysis of Listener's Active Listening Behaviors in Speed Dating Dialogues. - Asahi Ogushi; Naoki Azuma; Daichi Shikama; Ryo Ishii; Toshiki Onishi; Akihiro Miyata (ICMI Companion, 2025)

Support for Building Relationships in Speed Dating Through Observation of Pre-dialogue Simulations Using Digital Twins. - Yoko Ishii; Ryo Ishii; Lidwina Andarini; Kazuya Matsuo; Atsushi Otsuka (INTERACT (2), 2025)

LLM-Based Two-stage Reasoning for TNM Staging: NECMedDX atthe NTCIR-18 RadNLP Task. - Soma Onishi; Daisaku Shibata; Masanori Tsujikawa; Ryo Ishii; Junya Tominaga; Hideki Ota (NTCIR, 2025)

Detecting Praising Behaviors Based on Multimodal Information. - Toshiki Onishi; Asahi Ogushi; Ryo Ishii; Akihiro Miyata (IEICE Trans. Inf. Syst., 2025)

Detecting Praising Behavior Based on Multimodal Information in Remote Dialogue. - Toshiki Onishi; Asahi Ogushi; Shunichi Kinoshita; Ryo Ishii; Atsushi Fukayama; Akihiro Miyata (J. Inf. Process., 2025)

Enhancing Impression Change Prediction in Speed Dating Simulations Based on Speakers' Personalities. - Kazuya Matsuo; Yoko Ishii; Atsushi Otsuka; Ryo Ishii; Hiroaki Sugiyama; Masahiro Mizukami; Tsunehiro Arimoto; Narichika Nomoto; Yoshihide Sato; Tetsuya Yamaguchi (CoRR, 2025)