Takayuki Nagai

Orcid: 0000-0003-3100-6977

According to our database1, Takayuki Nagai authored at least 158 papers between 1996 and 2024.

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Bibliography

2024
Adaptive and transparent decision-making in autonomous robots through graph-structured world models.
Adv. Robotics, November, 2024

Travel Agency Task Dialogue Corpus: A Multimodal Dataset with Age-Diverse Speakers.
ACM Trans. Asian Low Resour. Lang. Inf. Process., September, 2024

Special issue on multimodal processing and robotics for dialogue systems (Part II).
Adv. Robotics, February, 2024

Predictive Reachability for Embodiment Selection in Mobile Manipulation Behaviors.
CoRR, 2024

LiP-LLM: Integrating Linear Programming and dependency graph with Large Language Models for multi-robot task planning.
CoRR, 2024

Goal Estimation-based Adaptive Shared Control for Brain-Machine Interfaces Remote Robot Navigation.
CoRR, 2024

Data-Efficient Approach to Humanoid Control via Fine-Tuning a Pre-Trained GPT on Action Data.
CoRR, 2024

Overview of Dialogue Robot Competition 2023.
CoRR, 2024

Updating the University's information system infrastructure in light of the target changes due to COVID-19.
Proceedings of the 2024 ACM SIGUCCS Annual Conference, 2024

2023
Special Issue on Multimodal processing and robotics for dialogue systems (Part 1).
Adv. Robotics, November, 2023

Design of a competition specifically for spoken dialogue with a humanoid robot.
Adv. Robotics, November, 2023

HumanoidBot: framework for integrating full-body humanoid robot with open-domain chat system.
Adv. Robotics, September, 2023

Explainable autonomous robots in continuous state space based on graph-structured world model.
Adv. Robotics, August, 2023

Concept formation through multimodal integration using multimodal BERT and VQ-VAE.
Adv. Robotics, February, 2023

Proceedings of the Dialogue Robot Competition 2023.
CoRR, 2023

Estimation of User's World Model Using Graph2vec.
CoRR, 2023

Implementation and Evaluation of Algorithms for Realizing Explainable Autonomous Robots.
IEEE Access, 2023

Using a Language Model to Generate Music in Its Symbolic Domain While Controlling Its Perceived Emotion.
IEEE Access, 2023

2022
Automated Microhand System for Measuring Cell Stiffness By Using Two Plate End-Effectors.
IEEE Robotics Autom. Lett., 2022

A whole brain probabilistic generative model: Toward realizing cognitive architectures for developmental robots.
Neural Networks, 2022

Spatio-temporal categorization for first-person-view videos using a convolutional variational autoencoder and Gaussian processes.
Frontiers Robotics AI, 2022

Overview of Dialogue Robot Competition 2022.
CoRR, 2022

Proceedings of the Dialogue Robot Competition 2022.
CoRR, 2022

Special issue on symbol emergence in robotics and cognitive systems (II).
Adv. Robotics, 2022

Special issue on Symbol Emergence in Robotics and Cognitive Systems (I).
Adv. Robotics, 2022

What is the role of the next generation of cognitive robotics?
Adv. Robotics, 2022

Explainable autonomous robots: a survey and perspective.
Adv. Robotics, 2022

Survey and perspective on social emotions in robotics.
Adv. Robotics, 2022

Simple and Effective Multimodal Learning Based on Pre-Trained Transformer Models.
IEEE Access, 2022

Collection and Analysis of Travel Agency Task Dialogues with Age-Diverse Speakers.
Proceedings of the Thirteenth Language Resources and Evaluation Conference, 2022

Analysis of User Behavior and Workload During Simultaneous Tele-operation of Multiple Mobile Manipulators.
Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, 2022

Characteristics of Symptom Tracking App Data and its Potential Use for XAI.
Proceedings of the 10th IEEE International Conference on Healthcare Informatics, 2022

HumanoidBot: Full-Body Humanoid Chitchat System.
Proceedings of the 21st IEEE-RAS International Conference on Humanoid Robots, 2022

Dialogue Robot Competition for the Development of an Android Robot with Hospitality.
Proceedings of the 11th IEEE Global Conference on Consumer Electronics, 2022

2021
Editorial: Language and Robotics.
Frontiers Robotics AI, 2021

Robot Concept Acquisition Based on Interaction Between Probabilistic and Deep Generative Models.
Frontiers Comput. Sci., 2021

Whole brain Probabilistic Generative Model toward Realizing Cognitive Architecture for Developmental Robots.
CoRR, 2021

Special issue on robot and human interactive communication 2021 (Part II).
Adv. Robotics, 2021

Special Issue on Robot and Human Interactive Communication 2021 (Part I).
Adv. Robotics, 2021

Temperament estimation of toddlers from child-robot interaction with explainable artificial intelligence.
Adv. Robotics, 2021

A framework of explanation generation toward reliable autonomous robots.
Adv. Robotics, 2021

Implementation and evaluation of MPTCP to reduce interruption time considering real-time communication.
Proceedings of the ACIT 2021: The 8th International Virtual Conference on Applied Computing & Information Technology, Kanazawa, Japan, June 20, 2021

Performance evaluation and effectiveness estimation of DNS server firewall based on OpenFlow.
Proceedings of the ACIT 2021: The 8th International Virtual Conference on Applied Computing & Information Technology, Kanazawa, Japan, June 20, 2021

2020
Neuro-SERKET: Development of Integrative Cognitive System Through the Composition of Deep Probabilistic Generative Models.
New Gener. Comput., 2020

Walking Hand-in-Hand Helps Relationship Building Between Child and Robot.
J. Robotics Mechatronics, 2020

Estimating Children's Personalities Through Their Interaction Activities with a Tele-Operated Robot.
J. Robotics Mechatronics, 2020

An Information Theoretic Approach to Reveal the Formation of Shared Representations.
Frontiers Comput. Neurosci., 2020

lamBERT: Language and Action Learning Using Multimodal BERT.
CoRR, 2020

Explainable Temperament Estimation of Toddlers by a Childcare Robot.
Proceedings of the 29th IEEE International Conference on Robot and Human Interactive Communication, 2020

2019
Symbol Emergence in Cognitive Developmental Systems: A Survey.
IEEE Trans. Cogn. Dev. Syst., 2019

HVGH: Unsupervised Segmentation for High-Dimensional Time Series Using Deep Neural Compression and Statistical Generative Model.
Frontiers Robotics AI, 2019

Integrated Cognitive Architecture for Robot Learning of Action and Language.
Frontiers Robotics AI, 2019

Editorial: Machine Learning Methods for High-Level Cognitive Capabilities in Robotics.
Frontiers Neurorobotics, 2019

Survey on frontiers of language and robotics.
Adv. Robotics, 2019

Case Study of Implementing an IT Service Desk Ticketing System at Small Computer Center.
Proceedings of the 2019 ACM SIGUCCS Annual Conference, 2019

How to Integrate On-premise Authentication System into Cloud Services: Single Sign-on for Office365.
Proceedings of the 2019 ACM SIGUCCS Annual Conference, 2019

High-dimensional Motion Segmentation by Variational Autoencoder and Gaussian Processes.
Proceedings of the 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2019

Adjusting Weight of Action Decision in Exploration for Logistics Warehouse Picking Learning.
Proceedings of the 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2019

User Behavior Tracking for Education Assisting System by Using an RGB-D Sensor.
Proceedings of the Advances in Natural Computation, Fuzzy Systems and Knowledge Discovery - Proceedings of the 15th International Conference on Natural Computation, Fuzzy Systems and Knowledge Discovery (ICNC-FSKD 2019), Kunming, China, July 20-22, 2019, 2019

2018
Ensemble-of-Concept Models for Unsupervised Formation of Multiple Categories.
IEEE Trans. Cogn. Dev. Syst., 2018

Natural Language Generation Using Monte Carlo Tree Search.
J. Adv. Comput. Intell. Intell. Informatics, 2018

SERKET: An Architecture for Connecting Stochastic Models to Realize a Large-Scale Cognitive Model.
Frontiers Neurorobotics, 2018

Deep Emotion: A Computational Model of Emotion Using Deep Neural Networks.
CoRR, 2018

ChiCaRo: tele-presence robot for interacting with babies and toddlers.
Adv. Robotics, 2018

Network Boot System with Cache Boost Mechanism vs Full Cache for Laboratory PCs.
Proceedings of the 2018 ACM SIGUCCS Annual Conference, 2018

Generation of Gestures During Presentation for Humanoid Robots.
Proceedings of the 27th IEEE International Symposium on Robot and Human Interactive Communication, 2018

Interaction Modeling Based on Segmenting Two Persons Motions Using Coupled GP-HSMM.
Proceedings of the 27th IEEE International Symposium on Robot and Human Interactive Communication, 2018

A Model of Generating and Predicting Intention toward Human-Robot Cooperation.
Proceedings of the 27th IEEE International Symposium on Robot and Human Interactive Communication, 2018

Emotion Differentiation based on Decision-Making in Emotion Model.
Proceedings of the 27th IEEE International Symposium on Robot and Human Interactive Communication, 2018

Sequence Pattern Extraction by Segmenting Time Series Data Using GP-HSMM with Hierarchical Dirichlet Process.
Proceedings of the 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2018

Learning and Generation of Actions from Teleoperation for Domestic Service Robots*This work was supported by JST, CREST.
Proceedings of the 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2018

Object detection based on particle filter and integration of multiple features.
Proceedings of the INNS Conference on Big Data and Deep Learning 2018, 2018

Toward Empathic Communication: Emotion Differentiation via Face-to-Face Interaction in Generative Model of Emotion.
Proceedings of the 2018 Joint IEEE 8th International Conference on Development and Learning and Epigenetic Robotics, 2018

Learning of Motion Primitives Using Reference-Point-Dependent GP-HSMM for Domestic Service Robots.
Proceedings of the Intelligent Autonomous Systems 15, 2018

Decision-Making in Emotion Model.
Proceedings of the Companion of the 2018 ACM/IEEE International Conference on Human-Robot Interaction, 2018

Quantitative Analysis and Visualization of Children's Group Behavior from the Perspective of Development of Spontaneity and Sociality.
Proceedings of the Collaboration and Technology - 24th International Conference, 2018

2017
Online Algorithm for Robots to Learn Object Concepts and Language Model.
IEEE Trans. Cogn. Dev. Syst., 2017

Segmenting Continuous Motions with Hidden Semi-markov Models and Gaussian Processes.
Frontiers Neurorobotics, 2017

Facial Expression Recogntion in Unconstrained Environment.
Proceedings of the New Trends in Intelligent Software Methodologies, Tools and Techniques, 2017

Management of Carrying PC Terminals and Initialization of User Directory by Shifts for Students.
Proceedings of the 2017 ACM Annual Conference on SIGUCCS, 2017

Estimation of child personality for child-robot interaction.
Proceedings of the 26th IEEE International Symposium on Robot and Human Interactive Communication, 2017

A Model of Emotion for Empathic Communication.
Proceedings of the Companion of the 2017 ACM/IEEE International Conference on Human-Robot Interaction, 2017

Symbol Grounding from Natural Conversation for Human-Robot Communication.
Proceedings of the 5th International Conference on Human Agent Interaction, 2017

Symbol Emergence in Robotics for Modeling Human-Agent Interaction.
Proceedings of the 5th International Conference on Human Agent Interaction, 2017

2016
Symbol emergence in robotics: a survey.
Adv. Robotics, 2016

Robust comprehension of natural language instructions by a domestic service robot.
Adv. Robotics, 2016

Learning word meanings and grammar for verbalization of daily life activities using multilayered multimodal latent Dirichlet allocation and Bayesian hidden Markov models.
Adv. Robotics, 2016

Robust Children Behavior Tracking for Childcare Assisting Robot by Using Multiple Kinect Sensors.
Proceedings of the Social Robotics - 8th International Conference, 2016

Online joint learning of object concepts and language model using multimodal hierarchical Dirichlet process.
Proceedings of the 2016 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2016

Modeling of Honest Signals for Human Robot Interaction.
Proceedings of the Eleventh ACM/IEEE International Conference on Human Robot Interation, 2016

"I'm Scared": Little Children Reject Robots.
Proceedings of the Fourth International Conference on Human Agent Interaction, 2016

Human-like Natural Language Generation Using Monte Carlo Tree Search.
Proceedings of the INLG 2016 Workshop on Computational Creativity in Natural Language Generation, 2016

2015
Model of strategic behavior for interaction that guide others internal state.
Proceedings of the 24th IEEE International Symposium on Robot and Human Interactive Communication, 2015

Probabilistic modeling of mental models of others.
Proceedings of the 24th IEEE International Symposium on Robot and Human Interactive Communication, 2015

Concept formation by robots using an infinite mixture of models.
Proceedings of the 2015 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2015

Learning Word Meanings and Grammar for Describing Everyday Activities in Smart Environments.
Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing, 2015

Modeling of Stress/Interest State Controlling in Robot-Child Play Situation.
Proceedings of the 6th Annual International Conference on Biologically Inspired Cognitive Architectures, 2015

2014
Mutual learning of an object concept and language model based on MLDA and NPYLM.
Proceedings of the 2014 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2014

Physical embodied communication between robots and children: An approach for relationship building by holding hands.
Proceedings of the 2014 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2014

Integration of various concepts and grounding of word meanings using multi-layered multimodal LDA for sentence generation.
Proceedings of the 2014 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2014

A new dimension for RoboCup @home: human-robot interaction between virtual and real worlds.
Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction, 2014

Experimental study of empathy and its behavioral indices in human-robot interaction.
Proceedings of the second international conference on Human-agent interaction, 2014

Toward playmate robots that can play with children considering personality.
Proceedings of the second international conference on Human-agent interaction, 2014

2013
Human-Robot Interaction between Virtual and Real Worlds: Motivation from RoboCup @Home.
Proceedings of the Social Robotics - 5th International Conference, 2013

Development of RoboCup@Home Simulation towards Long-term Large Scale HRI.
Proceedings of the RoboCup 2013: Robot World Cup XVII [papers from the 17th Annual RoboCup International Symposium, 2013

Multimodal concept and word learning using phoneme sequences with errors.
Proceedings of the 2013 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2013

Integrated concept of objects and human motions based on multi-layered multimodal LDA.
Proceedings of the 2013 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2013

Long-term learning of concept and word by robots: Interactive learning framework and preliminary results.
Proceedings of the 2013 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2013

Formation of hierarchical object concept using hierarchical latent Dirichlet allocation.
Proceedings of the 2013 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2013

Robots That Can Play with Children: What Makes a Robot Be a Friend.
Proceedings of the Neural Information Processing - 20th International Conference, 2013

Implementation of high-definition lecture recording system for daily use.
Proceedings of the IEEE Global Engineering Education Conference, 2013

2012
Learning Novel Objects for Extended Mobile Manipulation.
J. Intell. Robotic Syst., 2012

Online Object Categorization Using Multimodal Information Autonomously Acquired by a Mobile Robot.
Adv. Robotics, 2012

Who Said That? The Crossmodal Matching Identity for Inferring Unfamiliar Faces from Voices.
Proceedings of the Eighth International Conference on Signal Image Technology and Internet Based Systems, 2012

Bag of multimodal hierarchical dirichlet processes: Model of complex conceptual structure for intelligent robots.
Proceedings of the 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2012

A planning method for efficient mobile manipulation considering ambiguity.
Proceedings of the 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2012

Online learning of concepts and words using multimodal LDA and hierarchical Pitman-Yor Language Model.
Proceedings of the 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2012

Playmate robots that can act according to a child's mental state.
Proceedings of the 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2012

Hierarchical multilevel object recognition using Markov model.
Proceedings of the 21st International Conference on Pattern Recognition, 2012

Virtualization and Nested Virtualization for Constructing a Reproducible Online Laboratory.
Proceedings of the IEEE Global Engineering Education Conference, 2012

A simple eye-gaze detecting function for touch-typing training system.
Proceedings of the IEEE Global Engineering Education Conference, 2012

2011
Grounding of Word Meanings in Latent Dirichlet Allocation-Based Multimodal Concepts.
Adv. Robotics, 2011

Multimodal categorization by hierarchical dirichlet process.
Proceedings of the 2011 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2011

Autonomous acquisition of multimodal information for online object concept formation by robots.
Proceedings of the 2011 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2011

Bag of multimodal LDA models for concept formation.
Proceedings of the IEEE International Conference on Robotics and Automation, 2011

2010
Analysis and Recognition of NAM Speech Using HMM Distances and Visual Information.
IEEE Trans. Speech Audio Process., 2010

Object concept modeling based on the relationship among appearance, usage and functions.
Proceedings of the 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2010

Real-time 3D visual sensor for robust object recognition.
Proceedings of the 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2010

Learning novel objects using out-of-vocabulary word segmentation and object extraction for home assistant robots.
Proceedings of the IEEE International Conference on Robotics and Automation, 2010

Grounding New Words on the Physical World in Multi-Domain Human-Robot Dialogues.
Proceedings of the Dialog with Robots, 2010

Robots that Learn to Communicate: A Developmental Approach to Personally and Physically Situated Human-Robot Conversations.
Proceedings of the Dialog with Robots, 2010

2009
Automated lecture recording system with AVCHD camcorder and microserver.
Proceedings of the ACM SIGUCCS Fall Conference on User Services 2009, 2009

Grounding of word meanings in multimodal concepts using LDA.
Proceedings of the 2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2009

Technologies for processing body-conducted speech detected with non-audible murmur microphone.
Proceedings of the 10th Annual Conference of the International Speech Communication Association, 2009

2007
HMM-based surface reconstruction from single images.
Syst. Comput. Jpn., 2007

Multimodal object categorization by a robot.
Proceedings of the 2007 IEEE/RSJ International Conference on Intelligent Robots and Systems, October 29, 2007

Simultaneous Estimation of Super-Resolved Image and 3D Information using Multiple Stereo-Pair Images.
Proceedings of the International Conference on Image Processing, 2007

Bayesian Network Model for Object Concept.
Proceedings of the IEEE International Conference on Acoustics, 2007

2006
Noise Reduction in Time Domain Using Referential Reconstruction.
IEICE Trans. Inf. Syst., 2006

Remote Control of Backhoe for Rescue Activities using Pneumatic Robot System.
Proceedings of the 2006 IEEE International Conference on Robotics and Automation, 2006

2004
Appearance model based face-to-face transform.
Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

2003
Speech recognition in cars by speaker localization using microphone array.
Syst. Comput. Jpn., 2003

Image Interpolation using Subband Pseudo 2-D HMM.
Proceedings of the Signal and Image Processing (SIP 2003), 2003

2002
3D modeling of real environments by autonomous mobile robot with stereo vision.
Proceedings of the 2002 International Conference on Image Processing, 2002

Speech signal band width extension and noise removal using subband HMN.
Proceedings of the IEEE International Conference on Acoustics, 2002

2001
Estimation of source location based on 2-D MUSIC and its application to speech recognition in cars.
Proceedings of the IEEE International Conference on Acoustics, 2001

Frequency domain multi-channel speech separation and its applications.
Proceedings of the IEEE International Conference on Acoustics, 2001

Seismic data compression using GULLOTS.
Proceedings of the IEEE International Conference on Acoustics, 2001

2000
Generalized unequal length lapped orthogonal transform for subband image coding.
IEEE Trans. Signal Process., 2000

Time-domain design and lattice structure of FIR paraunitary filter banks with linear phase.
Signal Process., 2000

Tight Error Bounds of Geometric Problems on Convex Objects with Imprecise Coordinates.
Proceedings of the Discrete and Computational Geometry, Japanese Conference, 2000

1999
Convex hull problem with imprecise input and its solution.
Syst. Comput. Jpn., 1999

Organization of Optimal Nonuniform Lapped Biorthogonal Transforms Based on Coding Efficiency.
Proceedings of the 1999 International Conference on Image Processing, 1999

1998
Convex Hull Problem with Imprecise Input.
Proceedings of the Discrete and Computational Geometry, Japanese Conference, 1998

Factorization of nonuniform block orthogonal transforms.
Proceedings of the 1998 IEEE International Conference on Acoustics, 1998

1997
Design of linear phase M-channel perfect reconstruction FIR filter banks.
IEEE Trans. Signal Process., 1997

Direct design of nonuniform filter banks.
Proceedings of the 1997 IEEE International Conference on Acoustics, 1997

1996
Cosine-modulated 2-dimensional perfect reconstruction FIR filter banks with linear phase.
Proceedings of the 1996 IEEE International Conference on Acoustics, 1996


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