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Sammy Christen

11 accepted papers

2026

Robot Crash Course: Learning Soft and Stylized Falling

ICRA 2026poster

Despite recent advances in robust locomotion, bipedal robots operating in the real world remain at risk of falling. While most research focuses on preventing such events, we instead concentrate on the phenomenon of falling itself. Specifically, we aim to reduce physical damage to the robot while pro…

2025

Autonomous Human-Robot Interaction via Operator Imitation

IROS 2025

Teleoperated robotic characters can perform expressive interactions with humans, relying on the operators’ experience and social intuition. In this work, we propose to create autonomous interactive robots, by training a model to imitate operator data. Our model is trained on a dataset of human-robot

Cited by 2SourceScholar
2025

LatentHOI: On the Generalizable Hand Object Motion Generation with Latent Hand Diffusion.

CVPR 2025poster

Current research on generating 3D hand-object interaction motion primarily focuses on in-domain objects. Generalization to unseen objects is essential for practical applications, yet it remains both challenging and largely unexplored.In this paper, we propose LatentHOI, a novel approach designed to…

Cited by 0SourcePDFScholar
2024

GraspXL: Generating Grasping Motions for Diverse Objects at Scale

ECCV 2024poster

"Human hands possess the dexterity to interact with diverse objects such as grasping specific parts of the objects and/or approaching them from desired directions. More importantly, humans can grasp objects of any shape without object-specific skills. Recent works synthesize grasping motions followi…

Cited by 27SourcePDFScholar
2024

Omnigrasp: Grasping Diverse Objects with Simulated Humanoids

NeurIPS 2024poster

We present a method for controlling a simulated humanoid to grasp an object and move it to follow an object's trajectory. Due to the challenges in controlling a humanoid with dexterous hands, prior methods often use a disembodied hand and only consider vertical lifts or short trajectories. This limi…

Cited by 1SourcePDFScholar
2024

SynH2R: Synthesizing Hand-Object Motions for Learning Human-to-Robot Handovers

ICRA 2024poster

Vision-based human-to-robot handover is an important and challenging task in human-robot interaction. Recent work has attempted to train robot policies by interacting with dynamic virtual humans in simulated environments, where the policies can later be transferred to the real world. However, a majo…

Cited by 20SourceScholar
2023

Learning Human-to-Robot Handovers From Point Clouds

CVPR 2023highlight

We propose the first framework to learn control policies for vision-based human-to-robot handovers, a critical task for human-robot interaction. While research in Embodied AI has made significant progress in training robot agents in simulated environments, interacting with humans remains challenging…

Cited by 50SourcePDFScholar
2022

D-Grasp: Physically Plausible Dynamic Grasp Synthesis for Hand-Object Interactions

CVPR 2022poster

We introduce the dynamic grasp synthesis task: given an object with a known 6D pose and a grasp reference, our goal is to generate motions that move the object to a target 6D pose. This is challenging, because it requires reasoning about the complex articulation of the human hand and the intricate p…

Cited by 111PDFcodeScholar
2019

Demonstration-Guided Deep Reinforcement Learning of Control Policies for Dexterous Human-Robot Interaction

ICRA 2019poster

In this paper, we propose a method for training control policies for human-robot interactions such as handshakes or hand claps via Deep Reinforcement Learning. The policy controls a humanoid Shadow Dexterous Hand, attached to a robot arm. We propose a parameterizable multi-objective reward function…

Cited by 53SourceScholar