collaborators

5 papers

cs.RO2026

Diffusion-2BC: Hybrid Diffusion and Regression Training for Offline Behavior Cloning in Autonomous Driving

Bruno Maciel Machado, Eric Aislan Antonelo

Behavior cloning provides an offline route to autonomous-driving policy learning, but mean-squared-error regression is poorly matched to demonstrations in which one observation adm…

cs.RO2026

Flowing With Purpose: Latent Action Guided Flow Matching Policies For Robotic Manipulation

Bruno Machado, Alexandre Chapin, Emmanuel Dellandrea +1

Flow matching has recently become a new standard for behavior cloning in robotic manipulation. However, state-of-the-art flow matching policies suffer from a systematic structural…

cs.RO2026

Spotlighting Task-Relevant Features: Object-Centric Representations for Better Generalization in Robotic Manipulation

Alexandre Chapin, Bruno Machado, Emmanuel Dellandrea +2

The generalization capabilities of robotic manipulation policies are heavily influenced by the choice of visual representations. Existing approaches typically rely on representatio…

cs.RO2025

Robotic Manipulation via Imitation Learning: Taxonomy, Evolution, Benchmark, and Challenges

Zezeng Li, Alexandre Chapin, Enda Xiang +6

Robotic Manipulation (RM) is central to the advancement of autonomous robots, enabling them to interact with and manipulate objects in real-world environments. This survey focuses…

cs.RO2025

Object-Centric Representations Improve Policy Generalization in Robot Manipulation

Alexandre Chapin, Bruno Machado, Emmanuel Dellandrea +1

Visual representations are central to the learning and generalization capabilities of robotic manipulation policies. While existing methods rely on global or dense features, such r…