collaborators

9 papers

cs.RO2026

Evaluating Tactile Foundation Models for End-to-End Imitation Learning in Contact-Rich Manipulation

Masaki Murooka, Ryoichi Nakajo, Tomohiro Motoda +4

Tactile sensing plays an important role in imitation learning for contact-rich manipulation by providing direct observations of physical contact with objects. Recently, several tac…

cs.RO2026

Self-Supervised Anchoring of Fingertip Sensing to Proprioception and Proactive Actions for Robot Imitation Learning

Tomohiro Motoda, Masaki Murooka, Keisuke Shirai +6

Robotic imitation learning often relies on external cameras, yet local interaction cues such as object proximity, contact onset, and grasp state are difficult to observe near the f…

cs.RO2026

Improving Imitation Learning Efficiency for Manipulation through Geometric Prior Pretraining

Shogo Iwakata, Tomohiro Motoda, Ryosuke Yamada +8

Applying an imitation learning policy to a new manipulation task usually requires collecting new demonstrations and retraining the model, which makes sample efficiency a practical…

cs.RO2026

The Embodiment Gap in Robot Foundation Models

Yukiyasu Domae, Keisuke Shirai, Hanbit Oh +7

Robot foundation models (RFMs), including vision-language-action (VLA) policies, are often discussed through a scaling view: more data, larger models, and broader benchmarks should…

cs.RO2026

TWINS: A Tactile Wearable Isomorphic Arm Networked System for Contact-Rich Manipulation Learning

Takahide Kitamura, Masaki Murooka, Natsuki Yamanobe +1

Recent advances in robot learning for manipulation have increased the importance of collecting real-world demonstration data. However, existing robotic systems primarily focus on e…

cs.RO2026

GuidedAttention: Interpretable and Correctable Visual Attention for OOD-Robust Robot Manipulation via Imitation Learning

Masaki Murooka, Ryoichi Nakajo, Keisuke Shirai +4

End-to-end visuomotor policies provide little opportunity for humans to understand or correct the policy's visual attention. We propose GuidedAttention, a visuomotor imitation lear…

cs.RO2025

RoboManipBaselines: A Unified Framework for Imitation Learning in Robotic Manipulation across Real and Simulation Environments

Masaki Murooka, Tomohiro Motoda, Ryoichi Nakajo +5

We present RoboManipBaselines, an open-source software framework for imitation learning research in robotic manipulation. The framework supports the entire imitation learning pipel…

cs.RO2025

Self-Augmented Robot Trajectory: Efficient Imitation Learning via Safe Self-augmentation with Demonstrator-annotated Precision

Hanbit Oh, Masaki Murooka, Tomohiro Motoda +2

Imitation learning is a promising paradigm for training robot agents; however, standard approaches typically require substantial data acquisition -- via numerous demonstrations or…

cs.RO2025

Learning Bimanual Manipulation via Action Chunking and Inter-Arm Coordination with Transformers

Tomohiro Motoda, Ryo Hanai, Ryoichi Nakajo +3

Robots that can operate autonomously in a human living environment are necessary to have the ability to handle various tasks flexibly. One crucial element is coordinated bimanual m…