Natsuki Oka

Publication Activity (10 Years)

Years Active: 1996-2024
Publications (10 Years): 21

Top Topics

Reinforcement Learning

Probabilistic Modeling

Personality Traits

Top Venues

Publications

Ana Beatriz Pires Quelhas, Natsuki Oka, Kazuaki Tanaka
Exploring Interest Similarity Features and Their Combinations for Friendship Recommendation Without Cold Start. CollabTech (2024)
Shuhei Mandokoro, Natsuki Oka, Akane Matsushima, Chie Fukada, Yuko Yoshimura, Koji Kawahara, Kazuaki Tanaka
Construction and Evaluation of a Self-Attention Model for Semantic Understanding of Sentence-Final Particles. CoRR (2022)
Yuki Kubo, Natsuki Oka, Subaru Hanada, Kazuaki Tanaka, Tomomi Takahashi
Automatic Utterance Selection Based on Prosodic Features of Children's Vocalizations. JSAI (2021)
Keisuke Morita, Natsuki Oka, Kazuaki Tanaka, Masahiro Miyata, Takashi Omori
Estimating Children's Intrinsic Motivation During a Class Based on Face Orientation and Gaze Information. JSAI (2021)
Tomomi Takahashi, Kazuaki Tanaka, Kenichiro Kobayashi, Natsuki Oka
Melodic Emotional Expression Increases Ease of Talking to Spoken Dialog Agents. HAI (2021)
Kazuaki Tanaka, Reo Mayuzumi, Tomomi Takahashi, Sho Takaki, Natsuki Oka
Robot Mediated Handholding Combined with a Mobile Video Call Makes the Users Feel Nearer and Closer. HAI (2021)
Jun Ichikawa, Kazuhiro Mitsukuni, Yukari Hori, Yuta Ikeno, Leblanc Alexandre, Tetsukazu Kawamoto, Yukiko Nishizaki, Natsuki Oka
Analysis of How Personality Traits Affect Children's Conversational Play with an Utterance-Output Device. ICDL-EPIROB (2019)
Mitsuru Tsunekawa, Natsuki Oka, Masahiro Araki, Motoshi Shintani, Masataka Yoshikawa, Takeshi Tanigawa
Prediction of Onset of Lifestyle-Related Diseases Using Regular Health Checkup Data. JSAI (2019)
Kazuhiro Mitsukuni, Jun Ichikawa, Yukari Hori, Yuta Ikeno, Leblanc Alexandre, Tetsukazu Kawamoto, Natsuki Oka, Yukiko Nishizaki
Analysis of the Influence of Mothers' Traits and Behaviors on Children's Conversational Play with an Utterance-Output Device. HAI (2019)
Akane Matsushima, Natsuki Oka, Chie Fukada, Kazuaki Tanaka
Understanding Dialogue Acts by Bayesian Inference and Reinforcement Learning. HAI (2019)
Akane Matsushima, Ryosuke Kanajiri, Yusuke Hattori, Chie Fukada, Natsuki Oka
Stepwise Acquisition of Dialogue Act Through Human-Robot Interaction. IJCNN (2019)
Haibin Xia, Bin Zhang, Tomoaki Nakamura, Takayuki Nagai, Takashi Omori, Masahide Kaneko, Rena Ushiogi, Natsuki Oka, Hun-ok Lim
User Behavior Tracking for Education Assisting System by Using an RGB-D Sensor. ICNC-FSKD (2019)
Shoto Fukui, Mia Hamada, Taiki Kusano, Shohei Kodera, Rikimaru Tanigo, Kazuaki Tanaka, Natsuki Oka, Yukiko Nishizaki
Sales Talk of a Robot at a Flanking Position Gives Positive Impressions to a Human Customer. HAI (2019)
Yumiko Shinohara, Kazuhiro Mitsukuni, Takayuki Yoneda, Jun Ichikawa, Yukiko Nishizaki, Natsuki Oka
A Humanoid Robot Can Use Mimicry to Increase Likability and Motivation for Helping. HAI (2018)
Akane Matsushima, Ryosuke Kanajiri, Yusuke Hattori, Chie Fukada, Natsuki Oka
Stepwise Acquisition of Dialogue Act Through Human-Robot Interaction. CoRR (2018)
Akane Matsushima, Natsuki Oka, Yusuke Hattori, Chie Fukada
Scaffolding for a Robot That Learns Reactions to Dialogue Acts. HAI (2018)
Tomomi Takahashi, Kazuaki Tanaka, Natsuki Oka
Adaptive Mixed-Initiative Dialog Motivates a Game Player to Talk with an NPC. HAI (2018)
Jun Ichikawa, Keisuke Fujii, Takayuki Nagai, Takashi Omori, Natsuki Oka
Quantitative Analysis and Visualization of Children's Group Behavior from the Perspective of Development of Spontaneity and Sociality. CRIWG (2018)
Atsushi Hirota, Nguyen Huy Tiep, Le Van Khanh, Natsuki Oka
Classifying Helmeted and Non-helmeted Motorcyclists. ISNN (1) (2017)
Yumiko Shinohara, Katsuhiro Kubo, Momoyo Nozawa, Misa Yoshizaki, Tomomi Takahashi, Hirofumi Hayakawa, Atsushi Hirota, Yukiko Nishizaki, Natsuki Oka
The Optimum Rate of Mimicry in Human-Agent Interaction. HAI (2016)
Bin Zhang, Tomoaki Nakamura, Rena Ushiogi, Takayuki Nagai, Kasumi Abe, Takashi Omori, Natsuki Oka, Masahide Kaneko
Robust Children Behavior Tracking for Childcare Assisting Robot by Using Multiple Kinect Sensors. ICSR (2016)
Takayuki Nagai, Kasumi Abe, Tomoaki Nakamura, Natsuki Oka, Takashi Omori
Probabilistic modeling of mental models of others. RO-MAN (2015)
Misa Yoshizaki, Toshimasa Takai, Eri Takashima, Yusuke Suetsugu, Atsushi Hirota, Shogo Furuhashi, Takashi Uchida, Hirofumi Hayakawa, Yukiko Nishizaki, Natsuki Oka
Effect of Embodied Cognition on an Impression of a Robot. HAI (2015)
Atsushi Hirota, Shogo Furuhashi, Takashi Uchida, Yusuke Suetsugu, Eri Takashima, Toshimasa Takai, Misa Yoshizaki, Hirofumi Hayakawa, Yukiko Nishizaki, Natsuki Oka
Keep Your Chin Up When You Want to Believe in Future Rewards: The Effect of Facial Direction on Discount Factors. HAI (2015)
Tofig Hasanov, Motoyuki Ozeki, Natsuki Oka
Microcredit risk assessment using crowdsourcing and social networks. SNPD (2014)
Yuichiro Tsuji, Ami Tsukamoto, Takashi Uchida, Yusuke Hattori, Ryosuke Nishida, Chie Fukada, Motoyuki Ozeki, Takashi Omori, Takayuki Nagai, Natsuki Oka
Experimental study of empathy and its behavioral indices in human-robot interaction. HAI (2014)
Tatsuya Sakato, Motoyuki Ozeki, Natsuki Oka
Learning through Imitation and Reinforcement Learning: Toward the Acquisition of Painting Motions. IIAI-AAI (2014)
Kasumi Abe, Chie Hieida, Muhammad Attamimi, Takayuki Nagai, Takayuki Shimotomai, Takashi Omori, Natsuki Oka
Toward playmate robots that can play with children considering personality. HAI (2014)
Tatsuya Sakato, Motoyuki Ozeki, Natsuki Oka
Learning Which Features to Imitate in a Painting Task. IIAI-AAI (2013)
Natsuki Oka, Xia Wu, Chie Fukada, Motoyuki Ozeki
Concurrent Acquisition of the Meaning of Sentence-Final Particles and Nouns Through Human-Robot Interaction. ICONIP (1) (2013)
Xiang Zuo, Taisuke Sumii, Naoto Iwahashi, Mikio Nakano, Kotaro Funakoshi, Natsuki Oka
Correcting phoneme recognition errors in learning word pronunciation through speech interaction. Speech Commun. 55 (1) (2013)
Ryoko Shibata, Takatsugu Kojima, Chie Fukada, Kaori Sato, Yuki Hachikura, Motoyuki Ozeki, Natsuki Oka
Does Talking to a Robot in a High-Pitched Voice Strengthen an Attachment? CogSci (2012)
Hasanov Tofig, Motoyuki Ozeki, Natsuki Oka
Self-Evolving Decision Support Systems in Multi-agent Environment. SNPD (2012)
Tatsuya Sakato, Motoyuki Ozeki, Natsuki Oka
A Computational Model of Imitation and Autonomous Behavior. SNPD (2012)
Natsuki Oka, Naohiro Nonoguchi, Chie Fukada, Motoyuki Ozeki
Computational model of the meaning acquisition of sentence-final particles. CogSci (2012)
Ryoko Shibata, Chie Fukada, Takatsugu Kojima, Kaori Sato, Yuki Hashikura, Motoyuki Ozeki, Natsuki Oka
Does Talking to a Robot in a High-Pitched Voice Create a Good Impression of the Robot? SNPD (2012)
Kazuaki Tanaka, Motoyuki Ozeki, Natsuki Oka
The hesitation of a robot: a delay in its motion increases learning efficiency and impresses humans as teachable. HRI (2010)
Xiang Zuo, Naoto Iwahashi, Ryo Taguchi, Shigeki Matsuda, Komei Sugiura, Kotaro Funakoshi, Mikio Nakano, Natsuki Oka
Robot-directed speech detection using Multimodal Semantic Confidence based on speech, image, and motion. ICASSP (2010)
Xiang Zuo, Naoto Iwahashi, Ryo Taguchi, Kotaro Funakoshi, Mikio Nakano, Shigeki Matsuda, Komei Sugiura, Natsuki Oka
Detecting robot-directed speech by situated understanding in object manipulation tasks. RO-MAN (2010)
Xiang Zuo, Taisuke Sumii, Naoto Iwahashi, Kotaro Funakoshi, Mikio Nakano, Natsuki Oka
Correction of phoneme recognition errors in word learning through speech interaction. SLT (2010)
Kazuaki Tanaka, Natsuki Oka
A robot that learns in stages utilizing scaffolds: toward an active and long-term human-robot interaction. Advances in Computer Entertainment Technology (2008)
Takanori Komatsu, Atsushi Utsunomiya, Kentaro Suzuki, Kazuhiro Ueda, Kazuo Hiraki, Natsuki Oka
Experiments Toward a Mutual Adaptive Speech Interface That Adopts the Cognitive Features Humans Use for Communication and Induces and Exploits Users' Adaptations. Int. J. Hum. Comput. Interact. 18 (3) (2005)
Takanori Komatsu, Shoichiro Ohtsuka, Kazuhiro Ueda, Takashi Komeda, Natsuki Oka
A Method for Estimating Whether a User is in Smooth Communication with an Interactive Agent in Human-Agent Interaction. KES (2004)
Atsushi Utsunomiya, Takanori Komatsu, Kazuhiro Ueda, Natsuki Oka
A Meaning Acquisition Model Which Induces and Utilizes Human's Adaptation. KES (2004)
Takanori Komatsu, Atsushi Utsunomiya, Kentaro Suzuki, Kazuhiro Ueda, Kazuo Hiraki, Natsuki Oka
Toward a mutual adaptive interface by utilizing a user's cognitive features. CIRA (2003)
Yu Ohigashi, Takashi Omori, Koji Morikawa, Natsuki Oka
Acceleration of Game Learning with Prediction-Based Reinforcement Learning - Toward the Emergence of Planning Behavior. ICANN (2003)
Takanori Komatsu, Atsushi Utsunomiya, Kentaro Suzuki, Kazuhiro Ueda, Kazuo Hiraki, Natsuki Oka
Toward a Mutual Adaptive Interface: An Interface and a User Induce and Utilize the Partner's Adaptation. KES (2003)
Makoto Hirahara, Natsuki Oka, Toshiki Kindo
A cascade associative memory model with a hierarchical memory structure. Neural Networks 13 (1) (2000)
Makoto Hirahara, Natsuki Oka, Toshiki Kindo
Cascade associative memory storing hierarchically correlated patterns with various correlations. Neural Networks 13 (1) (2000)
Makoto Hirahara, Natsuki Oka, Toshiki Kindo
Associative memory with a sparse encoding mechanism for storing correlated patterns. Neural Networks 10 (9) (1997)
Makoto Hirahara, Natsuki Oka, Kunio Yoshida
Automatic Placement Using Static and Dynamic Groupings. IEA/AIE (1996)