Search Results for author: Gaurav Datta

Found 4 papers, 2 papers with code

A Touch, Vision, and Language Dataset for Multimodal Alignment

1 code implementation20 Feb 2024 Letian Fu, Gaurav Datta, Huang Huang, William Chung-Ho Panitch, Jaimyn Drake, Joseph Ortiz, Mustafa Mukadam, Mike Lambeta, Roberto Calandra, Ken Goldberg

This is partially due to the difficulty of obtaining natural language labels for tactile data and the complexity of aligning tactile readings with both visual observations and language descriptions.

Language Modelling Text Generation

IIFL: Implicit Interactive Fleet Learning from Heterogeneous Human Supervisors

1 code implementation27 Jun 2023 Gaurav Datta, Ryan Hoque, Anrui Gu, Eugen Solowjow, Ken Goldberg

Imitation learning has been applied to a range of robotic tasks, but can struggle when robots encounter edge cases that are not represented in the training data (i. e., distribution shift).

Imitation Learning Uncertainty Quantification

Efficient Preference-Based Reinforcement Learning Using Learned Dynamics Models

no code implementations11 Jan 2023 Yi Liu, Gaurav Datta, Ellen Novoseller, Daniel S. Brown

In particular, we provide evidence that a learned dynamics model offers the following benefits when performing PbRL: (1) preference elicitation and policy optimization require significantly fewer environment interactions than model-free PbRL, (2) diverse preference queries can be synthesized safely and efficiently as a byproduct of standard model-based RL, and (3) reward pre-training based on suboptimal demonstrations can be performed without any environmental interaction.

reinforcement-learning Reinforcement Learning (RL)

Learning to Efficiently Plan Robust Frictional Multi-Object Grasps

no code implementations13 Oct 2022 Wisdom C. Agboh, Satvik Sharma, Kishore Srinivas, Mallika Parulekar, Gaurav Datta, Tianshuang Qiu, Jeffrey Ichnowski, Eugen Solowjow, Mehmet Dogar, Ken Goldberg

In physical experiments, we find a 13. 7% increase in success rate, a 1. 6x increase in picks per hour, and a 6. 3x decrease in grasp planning time compared to prior work on multi-object grasping.

Friction Object

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