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This paper presents a method of navigating a surgical robot beyond the resolution of magnetic resonance imaging (MRI) by using a resolution enhancement technique enabled by high-precision piezoelectric actuation. The surgical robot was…

Robotics · Computer Science 2020-06-11 Daniel Enrique Martinez , Waiman Meinhold , John Oshinski , Ai-Ping Hu , Jun Ueda

This paper addresses an important issue raised for the clinical relevance of Computer-Assisted Surgical applications, namely the methodology used to automatically build patient-specific Finite Element (FE) models of anatomical structures.…

Medical Physics · Physics 2007-05-23 Vincent Luboz , Matthieu Chabanas , Pascal Swider , Yohan Payan

This paper presents an object manipulation strategy for the Variable Topology Truss (VTT) system, a truss robot that comprises actuated truss members connected by passive spherical joints. Although truss robots were originally proposed as…

Robotics · Computer Science 2026-05-14 Andrew Jang-Ho Bae , Myeongjin Choi , Haorui Li , Mark Yim , TaeWon Seo

Manipulation without grasping, known as non-prehensile manipulation, is essential for dexterous robots in contact-rich environments, but presents many challenges relating with underactuation, hybrid-dynamics, and frictional uncertainty.…

Robotics · Computer Science 2024-12-18 Juan Del Aguila Ferrandis , João Moura , Sethu Vijayakumar

We consider a micromanipulation problem in eye surgery, specifically retinal vein cannulation (RVC). RVC involves inserting a microneedle into a retinal vein for the purpose of targeted drug delivery. The procedure requires accurately…

Robotics · Computer Science 2023-07-03 Ji Woong Kim , Peiyao Zhang , Peter Gehlbach , Iulian Iordachita , Marin Kobilarov

In this paper, we perform robot manipulation activities in real-world environments with language contexts by integrating a compact referring image segmentation model into the robot's perception module. First, we propose CLIPU$^2$Net, a…

Robotics · Computer Science 2024-09-19 Chen Jiang , Allie Luo , Martin Jagersand

The amount of surgical data, recorded during video-monitored surgeries, has extremely increased. This paper aims at improving existing solutions for the automated analysis of cataract surgeries in real time. Through the analysis of a video…

Computer Vision and Pattern Recognition · Computer Science 2016-09-20 Hassan Al Hajj , Gwenolé Quellec , Mathieu Lamard , Guy Cazuguel , Béatrice Cochener

Robotic-assisted orthopaedic surgeries demand accurate, automated leg manipulation for improved spatial accuracy to reduce iatrogenic damage. In this study, we propose novel rigid body designs and an optical tracking volume setup for…

Robotics · Computer Science 2019-09-09 Mario Strydom , Artur Banach , Liao Wu , Ross Crawford , Jonathan Roberts , Anjali Jaiprakash

When technical requirements are high, and patient outcomes are critical, opportunities for monitoring and improving surgical skills via objective motion analysis feedback may be particularly beneficial. This narrative review synthesises…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Merryn D. Constable , Hubert P. H. Shum , Stephen Clark

The paper deals with the well-known problem of teleoperating a robotic arm along six degrees of freedom. The prevailing and most effective approach to this problem involves a direct position-to-position mapping, imposing robotic…

Robotics · Computer Science 2024-06-14 Alexis Poignant , Guillaume Morel , Nathanaël Jarrassé

Many industries extensively use flexible materials. Effective approaches for handling flexible objects with a robot manipulator must address residual vibrations. Existing solutions rely on complex models, use additional instrumentation for…

Robotics · Computer Science 2022-11-22 Daniele Ronzani , Shamil Mamedov , Jan Swevers

[...] With the TelePhysicalOperation interface, the user can teleoperate the different capabilities of a robot (e.g., single/double arm manipulation, wheel/leg locomotion) by applying virtual forces on selected robot body parts. This…

Robotics · Computer Science 2025-05-13 Davide Torielli

Optical Coherence Tomography (OCT) is one of the most important retinal imaging technique. However, involuntary motion artifacts still pose a major challenge in OCT imaging that compromises the quality of downstream analysis, such as…

Image and Video Processing · Electrical Eng. & Systems 2023-05-31 Yiqian Wang , Alexandra Warter , Melina Cavichini , Varsha Alex , Dirk-Uwe G. Bartsch , William R. Freeman , Truong Q. Nguyen , Cheolhong An

This paper presents the development and experimental evaluation of a surgical robotic system for total hip arthroplasty (THA). Although existing robotic systems used in joint replacement surgery have achieved some progresses, the robot arm…

Robotics · Computer Science 2022-08-23 Weibo Ning , Jiaqi Zhu , Hongjiang Chen , Weijun Zhou , Shuxing He , Yecheng Tan , Qianrui Xu , Ye Yuan , Jun Hu , Zhun Fan

Levitated optomechanics, the interaction between light and small levitated objects, is a new macroscopic quantum system that is being used as a testing ground for fundamental physics and for the development of sensors with exquisite…

Quantum Physics · Physics 2025-07-29 M. Rademacher , A. Pontin , J. M. H. Gosling , P. F. Barker , M. Toroš

Robot-assisted surgery has become progressively more and more popular due to its clinical advantages. In the meanwhile, the artificial intelligence and augmented reality in robotic surgery are developing rapidly and receive lots of…

Robotics · Computer Science 2022-03-04 Yonghao Long , Jianfeng Cao , Anton Deguet , Russell H. Taylor , Qi Dou

The acquisition of high-resolution retinal fundus images with a large field of view (FOV) is challenging due to technological, physiological and economic reasons. This paper proposes a fully automatic framework to reconstruct retinal images…

Computer Vision and Pattern Recognition · Computer Science 2016-02-11 Thomas Köhler , Axel Heinrich , Andreas Maier , Joachim Hornegger , Ralf P. Tornow

We study the motion of vitreous humour in a deforming eyeball. From the mechanical and computational perspective this is a task to solve a fluid-structure interaction problem between a complex viscoelastic fluid (vitreour humour) and a…

Fluid Dynamics · Physics 2018-05-10 Karel Tůma , Judith Stein , Vít Průša , Elfriede Friedmann

The unique vascularized anatomy of the human eye, encased in the retina, provides an opportunity to act as a window for human health. The retinal structure assists in assessing the early detection, monitoring of disease progression and…

Image and Video Processing · Electrical Eng. & Systems 2025-12-22 Inamullah , Imran Razzak , Shoaib Jameel

Measuring the eye's mechanical properties in vivo and with minimally invasive techniques can be the key for individualized solutions to a number of eye pathologies. The development of such techniques largely relies on a computational…