Frederik Ebert
Welcome to my academic website. I graduated with a PhD in Computer Science at UC Berkeley in May 2022. I was advised by Prof. Sergey Levine and Prof. Chelsea Finn (Stanford CS department). During my research at the Berkeley Artificial Intelligence Laboratory (BAIR) I focused on the development of algorithms for robotic manipulation using techniques from deep learning, deep reinforcement learning and classical robotics. After graduating I founded Emancro, a company building general-purpose hospital logistics robots.
Previously I have worked at the mechatronics institute of the German Aerospace Center (DLR) on the mechanical design and control system of a quadruped robot.
Publications
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Bridge Data: Boosting Generalization of Robotic Skills with Cross-Domain Dataset We collected a large multi-task, multi-domain demonstration dataset, which we call the Bridge Dataset consisting of more than 7300 demonstrations, of 73 different tasks in 10 different toy-kitchen environments. Training on this data produces signifcantly more generalizeable policies and allows transferring tasks from the bridge data to a target domain. |
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Long-Horizon Visual Planning with Goal-Conditioned Hierarchical Predictors We propose a hierarchical prediction model that predicts sequences by recursive infilling. We use this model to devise a hierarchical planning approach that allows to scale visual MPC to long-horizon tasks with hundreds of time steps. |
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OmniTact: A Multi-Directional High Resolution Touch Sensor OmniTact is a novel high-resolution multi-directional tactile sensor based on the Gelsight sensor. We show that the omnidirectional sensing capabilities allow inserting an eletrical connector purely based on the sense of touch. |
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RoboNet: Large-Scale Multi-Robot Learning RoboNet is a large-scale database for sharing robotic experience across different robots for learning generalizable skills. RoboNet contains datafrom 7 different robot platforms and allows transferring skill and dynamics models between different robots. |
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Time-Agnostic Prediction: Predicting Predictable Video Frames Time agnostic prediction (TAP) is a method for predicting intermediate images in between a start frame and a goal frame for the purpose of planning. Instead of predicting at fixed time-intervals the optimizer chooses the optimal time-step. |
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Improvisation through Physical Understanding: Using Novel Objects as Tools with Visual Foresight We combine diverse demonstration data with self-supervised interaction data, aiming to leverage the interaction data to build generalizable models and the demonstration data to guide the model-based RL planner to solve complex tasks. |
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Manipulation by Feel: Touch-Based Control with Deep Predictive Models We propose deep tactile MPC, a framework for learning to perform tactile servoing from raw tactile sensor inputs, without manual supervision. We show that this method enables a robot equipped with a GelSight-style tactile sensor to manipulate a ball and 20-sided die |
 
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Robustness via Retrying: Closed-Loop Robotic Manipulation with Self-Supervised Learning To enable a robot to continuously retry a task, we devise a self-supervised algorithm for learning image registration, which can keep track of objects of interest for the duration of the trial. We demonstrate that this idea can be combined with a video-prediction based controller to enable complex behaviors to be learned from scratch using only raw visual inputs, including grasping, repositioning objects, and non-prehensile manipulation. |
 
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Self-Supervised Visual Planning with Temporal Skip Connections We present three simple improvements to self-supervised visual foresight algorithm that lead to substantially better visual planning capabilities. Our method can perform tasks that require longer-term planning and involve multiple objects. |
© 2020 Frederik Ebert