Search Results for author: Michael C. Yip

Found 32 papers, 11 papers with code

Tracking and Mapping in Medical Computer Vision: A Review

no code implementations17 Oct 2023 Adam Schmidt, Omid Mohareri, Simon DiMaio, Michael C. Yip, Septimiu E. Salcudean

In this review, we provide an update to the field of camera-based tracking and scene mapping in surgery and diagnostics in medical computer vision.

SuPerPM: A Large Deformation-Robust Surgical Perception Framework Based on Deep Point Matching Learned from Physical Constrained Simulation Data

no code implementations25 Sep 2023 Shan Lin, Albert J. Miao, Ali Alabiad, Fei Liu, Kaiyuan Wang, Jingpei Lu, Florian Richter, Michael C. Yip

Thus, for tuning the learning model, we gather endoscopic data of soft tissue being manipulated by a surgical robot and then establish correspondences between point clouds at different time points to serve as ground truth.

AnyOKP: One-Shot and Instance-Aware Object Keypoint Extraction with Pretrained ViT

no code implementations15 Sep 2023 Fangbo Qin, Taogang Hou, Shan Lin, Kaiyuan Wang, Michael C. Yip, Shan Yu

Towards flexible object-centric visual perception, we propose a one-shot instance-aware object keypoint (OKP) extraction approach, AnyOKP, which leverages the powerful representation ability of pretrained vision transformer (ViT), and can obtain keypoints on multiple object instances of arbitrary category after learning from a support image.

Object

SemHint-MD: Learning from Noisy Semantic Labels for Self-Supervised Monocular Depth Estimation

no code implementations31 Mar 2023 Shan Lin, Yuheng Zhi, Michael C. Yip

Without ground truth supervision, self-supervised depth estimation can be trapped in a local minimum due to the gradient-locality issue of the photometric loss.

Monocular Depth Estimation Segmentation +1

Markerless Camera-to-Robot Pose Estimation via Self-supervised Sim-to-Real Transfer

no code implementations CVPR 2023 Jingpei Lu, Florian Richter, Michael C. Yip

Solving the camera-to-robot pose is a fundamental requirement for vision-based robot control, and is a process that takes considerable effort and cares to make accurate.

Foreground Segmentation Pose Estimation +2

Image-based Pose Estimation and Shape Reconstruction for Robot Manipulators and Soft, Continuum Robots via Differentiable Rendering

no code implementations27 Feb 2023 Jingpei Lu, Fei Liu, Cedric Girerd, Michael C. Yip

We demonstrate that our method of using geometrical shape primitives can achieve high accuracy in shape reconstruction for a soft continuum robot and pose estimation for a robot manipulator.

Pose Estimation Robot Pose Estimation

Semantic-SuPer: A Semantic-aware Surgical Perception Framework for Endoscopic Tissue Identification, Reconstruction, and Tracking

1 code implementation29 Oct 2022 Shan Lin, Albert J. Miao, Jingpei Lu, Shunkai Yu, Zih-Yun Chiu, Florian Richter, Michael C. Yip

In this paper, we present a novel, comprehensive surgical perception framework, Semantic-SuPer, that integrates geometric and semantic information to facilitate data association, 3D reconstruction, and tracking of endoscopic scenes, benefiting downstream tasks like surgical navigation.

3D Reconstruction Image Segmentation +1

Flexible Attention-Based Multi-Policy Fusion for Efficient Deep Reinforcement Learning

1 code implementation NeurIPS 2023 Zih-Yun Chiu, Yi-Lin Tuan, William Yang Wang, Michael C. Yip

In this work, we present Knowledge-Grounded RL (KGRL), an RL paradigm fusing multiple knowledge policies and aiming for human-like efficiency and flexibility.

reinforcement-learning Reinforcement Learning (RL)

Image Based Reconstruction of Liquids from 2D Surface Detections

no code implementations CVPR 2022 Florian Richter, Ryan K. Orosco, Michael C. Yip

In this work, we present a solution to the challenging problem of reconstructing liquids from image data.

Towards Non-Parametric Models for Confidence Aware Video Prediction on Smooth Dynamics

no code implementations29 Sep 2021 Nikhil Uday Shinde, Florian Richter, Michael C. Yip

In this paper we propose a non-parametric method using Gaussian Process models to propagate probability distributions over sequentially predicted images for confidence aware video prediction with little training.

Decision Making Video Prediction

Markerless Suture Needle 6D Pose Tracking with Robust Uncertainty Estimation for Autonomous Minimally Invasive Robotic Surgery

no code implementations26 Sep 2021 Zih-Yun Chiu, Albert Z Liao, Florian Richter, Bjorn Johnson, Michael C. Yip

Previous approaches in autonomous suturing often relied on fiducial markers rather than markerless detection schemes for localizing a suture needle due to the inconsistency of markerless detections.

Pose Tracking

Motion Planning Transformers: A Motion Planning Framework for Mobile Robots

1 code implementation5 Jun 2021 Jacob J. Johnson, Uday S. Kalra, Ankit Bhatia, Linjun Li, Ahmed H. Qureshi, Michael C. Yip

A popular technique to improve the efficiency of these planners is to restrict search space in the planning domain.

Motion Planning valid

NeRP: Neural Rearrangement Planning for Unknown Objects

no code implementations2 Jun 2021 Ahmed H. Qureshi, Arsalan Mousavian, Chris Paxton, Michael C. Yip, Dieter Fox

We propose NeRP (Neural Rearrangement Planning), a deep learning based approach for multi-step neural object rearrangement planning which works with never-before-seen objects, that is trained on simulation data, and generalizes to the real world.

Data-driven Actuator Selection for Artificial Muscle-Powered Robots

no code implementations15 Apr 2021 Taylor West Henderson, Yuheng Zhi, Angela Liu, Michael C. Yip

Even though artificial muscles have gained popularity due to their compliant, flexible, and compact properties, there currently does not exist an easy way of making informed decisions on the appropriate actuation strategy when designing a muscle-powered robot; thus limiting the transition of such technologies into broader applications.

Model-Predictive Control of Blood Suction for Surgical Hemostasis using Differentiable Fluid Simulations

no code implementations2 Feb 2021 Jingbin Huang, Fei Liu, Florian Richter, Michael C. Yip

The fully differentiable fluid dynamics is integrated with a novel suction model for effective model predictive control of the tool.

Robotics

Constrained Motion Planning Networks X

no code implementations17 Oct 2020 Ahmed H. Qureshi, Jiangeng Dong, Asfiya Baig, Michael C. Yip

However, few solutions to constrained motion planning are available, and those that exist struggle with high computational time complexity in finding a path solution on the manifolds.

Motion Planning Robot Manipulation

Neural Manipulation Planning on Constraint Manifolds

no code implementations9 Aug 2020 Ahmed H. Qureshi, Jiangeng Dong, Austin Choe, Michael C. Yip

The presence of task constraints imposes a significant challenge to motion planning.

Motion Planning

Motion Planning Networks: Bridging the Gap Between Learning-based and Classical Motion Planners

1 code implementation13 Jul 2019 Ahmed H. Qureshi, Yinglong Miao, Anthony Simeonov, Michael C. Yip

We validate MPNet against gold-standard and state-of-the-art planning methods in a variety of problems from 2D to 7D robot configuration spaces in challenging and cluttered environments, with results showing significant and consistently stronger performance metrics, and motivating neural planning in general as a modern strategy for solving motion planning problems efficiently.

Continual Learning Motion Planning

Composing Task-Agnostic Policies with Deep Reinforcement Learning

no code implementations ICLR 2020 Ahmed H. Qureshi, Jacob J. Johnson, Yuzhe Qin, Taylor Henderson, Byron Boots, Michael C. Yip

The composition of elementary behaviors to solve challenging transfer learning problems is one of the key elements in building intelligent machines.

Decision Making Motion Planning +3

Neural Path Planning: Fixed Time, Near-Optimal Path Generation via Oracle Imitation

1 code implementation25 Apr 2019 Mayur J. Bency, Ahmed H. Qureshi, Michael C. Yip

In this work, we introduce a novel way of producing fast and optimal motion plans for static environments by using a stepping neural network approach, called OracleNet.

Motion Planning

An Open-Source 7-Axis, Robotic Platform to Enable Dexterous Procedures within CT Scanners

2 code implementations11 Mar 2019 Dimitri A. Schreiber, Daniel B. Shak, Alexander M. Norbash, Michael C. Yip

This paper describes the design, manufacture, and performance of a highly dexterous, low-profile, 7 Degree-of-Freedom (DOF) robotic arm for CT-guided percutaneous needle biopsy.

Robotics

Open-Sourced Reinforcement Learning Environments for Surgical Robotics

1 code implementation5 Mar 2019 Florian Richter, Ryan K. Orosco, Michael C. Yip

Reinforcement Learning (RL) is a machine learning framework for artificially intelligent systems to solve a variety of complex problems.

Robotics

Deeply Informed Neural Sampling for Robot Motion Planning

1 code implementation26 Sep 2018 Ahmed H. Qureshi, Michael C. Yip

In this paper, we present a neural network-based adaptive sampler for motion planning called Deep Sampling-based Motion Planner (DeepSMP).

Motion Planning

Motion Planning Networks

1 code implementation14 Jun 2018 Ahmed H. Qureshi, Anthony Simeonov, Mayur J. Bency, Michael C. Yip

Fast and efficient motion planning algorithms are crucial for many state-of-the-art robotics applications such as self-driving cars.

Motion Planning Self-Driving Cars +1

Cannot find the paper you are looking for? You can Submit a new open access paper.