Search Results for author: Alan Kuntz

Found 9 papers, 0 papers with code

Reward Learning from Suboptimal Demonstrations with Applications in Surgical Electrocautery

no code implementations10 Apr 2024 Zohre Karimi, Shing-Hei Ho, Bao Thach, Alan Kuntz, Daniel S. Brown

This paper introduces a sample-efficient method that learns a robust reward function from a limited amount of ranked suboptimal demonstrations consisting of partial-view point cloud observations.

Imitation Learning Reinforcement Learning (RL)

General-purpose foundation models for increased autonomy in robot-assisted surgery

no code implementations1 Jan 2024 Samuel Schmidgall, Ji Woong Kim, Alan Kuntz, Ahmed Ezzat Ghazi, Axel Krieger

The dominant paradigm for end-to-end robot learning focuses on optimizing task-specific objectives that solve a single robotic problem such as picking up an object or reaching a target position.

DeformerNet: Learning Bimanual Manipulation of 3D Deformable Objects

no code implementations8 May 2023 Bao Thach, Brian Y. Cho, Shing-Hei Ho, Tucker Hermans, Alan Kuntz

Applications in fields ranging from home care to warehouse fulfillment to surgical assistance require robots to reliably manipulate the shape of 3D deformable objects.

Object

Learning Visual Shape Control of Novel 3D Deformable Objects from Partial-View Point Clouds

no code implementations10 Oct 2021 Bao Thach, Brian Y. Cho, Alan Kuntz, Tucker Hermans

If robots could reliably manipulate the shape of 3D deformable objects, they could find applications in fields ranging from home care to warehouse fulfillment to surgical assistance.

Object

DeformerNet: A Deep Learning Approach to 3D Deformable Object Manipulation

no code implementations16 Jul 2021 Bao Thach, Alan Kuntz, Tucker Hermans

In this paper, we propose a novel approach to 3D deformable object manipulation leveraging a deep neural network called DeformerNet.

Deformable Object Manipulation Object +1

A Recurrent Neural Network Approach to Roll Estimation for Needle Steering

no code implementations13 Jan 2021 Maxwell Emerson, James M. Ferguson, Tayfun Efe Ertop, Margaret Rox, Josephine Granna, Michael Lester, Fabien Maldonado, Erin A. Gillaspie, Ron Alterovitz, Robert J. Webster III., Alan Kuntz

Steerable needles are a promising technology for delivering targeted therapies in the body in a minimally-invasive fashion, as they can curve around anatomical obstacles and hone in on anatomical targets.

Optimizing Hospital Room Layout to Reduce the Risk of Patient Falls

no code implementations8 Jan 2021 Sarvenaz Chaeibakhsh, Roya Sabbagh Novin, Tucker Hermans, Andrew Merryweather, Alan Kuntz

In this work, we formulate a gradient-free constrained optimization problem to generate and reconfigure the hospital room interior layout to minimize the risk of falls.

Enabling Robots to Understand Incomplete Natural Language Instructions Using Commonsense Reasoning

no code implementations29 Apr 2019 Haonan Chen, Hao Tan, Alan Kuntz, Mohit Bansal, Ron Alterovitz

Our results show the feasibility of a robot learning commonsense knowledge automatically from web-based textual corpora, and the power of learned commonsense reasoning models in enabling a robot to autonomously perform tasks based on incomplete natural language instructions.

Common Sense Reasoning Language Modelling

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