activity
20192025
most citedLearning Implicit Priors for Motion Optimization

23 citations · 33 across the 16 of their papers we have counts for

collaborators

16 papers

cs.RO2025

Dexterity from Smart Lenses: Multi-Fingered Robot Manipulation with In-the-Wild Human Demonstrations

Irmak Guzey, Haozhi Qi, Julen Urain +10

Learning multi-fingered robot policies from humans performing daily tasks in natural environments has long been a grand goal in the robotics community. Achieving this would mark si…

cs.RO2025

Noise-conditioned Energy-based Annealed Rewards (NEAR): A Generative Framework for Imitation Learning from Observation

Anish Abhijit Diwan, Julen Urain, Jens Kober +1

This paper introduces a new imitation learning framework based on energy-based generative models capable of learning complex, physics-dependent, robot motion policies through state…

cs.RO2024★ 2 cited

Grasp Diffusion Network: Learning Grasp Generators from Partial Point Clouds with Diffusion Models in SO(3)xR3

Joao Carvalho, An T. Le, Philipp Jahr +4

Grasping objects successfully from a single-view camera is crucial in many robot manipulation tasks. An approach to solve this problem is to leverage simulation to create large dat…

cs.RO2024★ 2 cited

Global Tensor Motion Planning

An T. Le, Kay Hansel, João Carvalho +5

Batch planning is increasingly necessary to quickly produce diverse and quality motion plans for downstream learning applications, such as distillation and imitation learning. This…

cs.RO2024★ 1 cited

ActionFlow: Equivariant, Accurate, and Efficient Policies with Spatially Symmetric Flow Matching

Niklas Funk, Julen Urain, Joao Carvalho +3

Spatial understanding is a critical aspect of most robotic tasks, particularly when generalization is important. Despite the impressive results of deep generative models in complex…

cs.RO2024★ 1 cited

Deep Generative Models in Robotics: A Survey on Learning from Multimodal Demonstrations

Julen Urain, Ajay Mandlekar, Yilun Du +5

Learning from Demonstrations, the field that proposes to learn robot behavior models from data, is gaining popularity with the emergence of deep generative models. Although the pro…

cs.CV2024

PianoMime: Learning a Generalist, Dexterous Piano Player from Internet Demonstrations

Cheng Qian, Julen Urain, Kevin Zakka +1

In this work, we introduce PianoMime, a framework for training a piano-playing agent using internet demonstrations. The internet is a promising source of large-scale demonstrations…

cs.RO2022

Hierarchical Policy Blending as Inference for Reactive Robot Control

Kay Hansel, Julen Urain, Jan Peters +1

Motion generation in cluttered, dense, and dynamic environments is a central topic in robotics, rendered as a multi-objective decision-making problem. Current approaches trade-off…

cs.RO2022★ 3 cited

SE(3)-DiffusionFields: Learning smooth cost functions for joint grasp and motion optimization through diffusion

Julen Urain, Niklas Funk, Jan Peters +1

Multi-objective optimization problems are ubiquitous in robotics, e.g., the optimization of a robot manipulation task requires a joint consideration of grasp pose configurations, c…

cs.RO2022★ 23 cited

Learning Implicit Priors for Motion Optimization

Julen Urain, An T. Le, Alexander Lambert +3

In this paper, we focus on the problem of integrating Energy-based Models (EBM) as guiding priors for motion optimization. EBMs are a set of neural networks that can represent expr…

cs.RO2022

A Hierarchical Approach to Active Pose Estimation

Jascha Hellwig, Mark Baierl, Joao Carvalho +2

Creating mobile robots which are able to find and manipulate objects in large environments is an active topic of research. These robots not only need to be capable of searching for…

cs.RO2021

Learning Stable Vector Fields on Lie Groups

Julen Urain, Davide Tateo, Jan Peters

Learning robot motions from demonstration requires models able to specify vector fields for the full robot pose when the task is defined in operational space. Recent advances in re…

cs.RO2021

Composable Energy Policies for Reactive Motion Generation and Reinforcement Learning

Julen Urain, Anqi Li, Puze Liu +2

Reactive motion generation problems are usually solved by computing actions as a sum of policies. However, these policies are independent of each other and thus, they can have conf…

cs.RO2020

Structured Policy Representation: Imposing Stability in arbitrarily conditioned dynamic systems

Julen Urain, Davide Tateo, Tianyu Ren +1

We present a new family of deep neural network-based dynamic systems. The presented dynamics are globally stable and can be conditioned with an arbitrary context state. We show how…

cs.LG2020

ImitationFlow: Learning Deep Stable Stochastic Dynamic Systems by Normalizing Flows

Julen Urain, Michelle Ginesi, Davide Tateo +1

We introduce ImitationFlow, a novel Deep generative model that allows learning complex globally stable, stochastic, nonlinear dynamics. Our approach extends the Normalizing Flows f…

cs.HC2019★ 1 cited

Generalized Multiple Correlation Coefficient as a Similarity Measurements between Trajectories

Julen Urain, Jan Peters

Similarity distance measure between two trajectories is an essential tool to understand patterns in motion, for example, in Human-Robot Interaction or Imitation Learning. The probl…