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Combining the unmatched soft-tissue imaging capabilities of magnetic resonance imaging (MRI) with high precision robotics has the potential to improve the accuracy, precision, and safety of a wide range of image-guided medical procedures.…

Medical Physics · Physics 2022-05-30 Lorne W. Hofstetter , Rock Hadley , Robb Merrill , Huy Pham , Gabriel C. Fine , Dennis L. Parker

In this paper, we describe how a patient-specific, ultrasound-probe-induced prostate motion model can be directly generated from a single preoperative MR image. Our motion model allows for sampling from the conditional distribution of dense…

Computer Vision and Pattern Recognition · Computer Science 2017-09-08 Yipeng Hu , Eli Gibson , Tom Vercauteren , Hashim U. Ahmed , Mark Emberton , Caroline M. Moore , J. Alison Noble , Dean C. Barratt

Accurate prostate cancer diagnosis remains challenging. Even when using MRI, radiologists exhibit low specificity and significant inter-observer variability, leading to potential delays or inaccuracies in identifying clinically significant…

This paper proposes an approach for controlling surgical robotic systems, while complying with the Remote Center of Motion (RCM) constraint in Robot-Assisted Minimally Invasive Surgery (RA-MIS). In this approach, the RCM-constraint is…

Robotics · Computer Science 2024-09-10 Omar Rayyan , Vinicius Gonçalves , Nikolaos Evangeliou , Anthony Tzes

Purpose: To determine whether deep learning-based algorithms applied to breast MR images can aid in the prediction of occult invasive disease following the di- agnosis of ductal carcinoma in situ (DCIS) by core needle biopsy. Material and…

Computer Vision and Pattern Recognition · Computer Science 2017-11-30 Zhe Zhu , Michael Harowicz , Jun Zhang , Ashirbani Saha , Lars J. Grimm , E. Shelley Hwang , Maciej A. Mazurowski

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. In order to accurately steer them,…

Differential drive mobile robots often use one or more caster wheels for balance. Caster wheels are appreciated for their ability to turn in any direction almost on the spot, allowing the robot to do the same and thereby greatly simplifying…

Robotics · Computer Science 2022-04-12 Jon Arrizabalaga , Niels van Duijkeren , Markus Ryll , Ralph Lange

Dynamic Contrast-Enhanced Magnetic Resonance Imaging (DCE-MRI) is a valuable tool to localize, characterize, and evaluate anomalous prostate tissue. Ultrafast gradient-echo acquisitions of MRI volumes are generated at regular time intervals…

Medical Physics · Physics 2017-10-11 Wuilian Torres , Leonardo Cordero , Miguel Martín-Landrove , Antonio Rueda-Toicen

Magnetic Resonance Imaging (MRI) is vital for prostate cancer (PCa) diagnosis. While advanced techniques such as Hybrid Multi-dimensional MRI (HM-MRI) have enhanced diagnostic capabilities, the significant need remains for robust, automated…

We present an error-controlled mesh refinement procedure for needle insertion simulation and apply it to the simulation of electrode implantation for deep brain stimulation, including brain shift. Our approach enables to control the error…

Computational Engineering, Finance, and Science · Computer Science 2018-11-20 Huu Phuoc Bui , Satyendra Tomar , Hadrien Courtecuisse , Michel Audette , Stéphane Cotin , Stéphane P. A. Bordas

Prostate cancer being one of the frequently diagnosed malignancy in men, the rising demand for biopsies places a severe workload on pathologists. The grading procedure is tedious and subjective, motivating the development of automated…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Riddhasree Bhattacharyya , Pallabi Dutta , Sushmita Mitra

The problem of regulation of the orientation angle of a remotely controlled differential-drive mobile robot with actuator dynamics and network-induced delays is studied. Using a preinstalled two-layer nonlinear control scheme that decouples…

Systems and Control · Electrical Eng. & Systems 2025-10-08 Nikolaos D. Kouvakas , Fotis N. Koumboulis , Konstantinos G. Tzierakis , John Sigalas , Anastasios Dimakakos

The function of protein, RNA, and DNA is modulated by fast, dynamic exchanges between three-dimensional conformations. Conformational sampling of biomolecules with exact and nullspace inverse kinematics, using rotatable bonds as revolute…

Robotics · Computer Science 2016-07-27 Rasmus Fonseca , Dominik Budday , Henry van den Bedem

Prostate cancer is the second leading cause of cancer death among men in the United States. The diagnosis of prostate MRI often relies on the accurate prostate zonal segmentation. However, state-of-the-art automatic segmentation methods…

Image and Video Processing · Electrical Eng. & Systems 2022-06-20 Alex Ling Yu Hung , Haoxin Zheng , Qi Miao , Steven S. Raman , Demetri Terzopoulos , Kyunghyun Sung

Effective transperineal ultrasound image guidance in prostate external beam radiotherapy requires consistent alignment between probe and prostate at each session during patient set-up. Probe placement and ultrasound image inter-pretation…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Alexander Grimwood , Helen McNair , Yipeng Hu , Ester Bonmati , Dean Barratt , Emma Harris

The multi-modality imaging system offers optimal fused images for safe and precise interventions in modern clinical practices, such as computed tomography - ultrasound (CT-US) guidance for needle insertion. However, the limited dexterity…

Robotics · Computer Science 2025-02-18 Feng Li , Yuan Bi , Dianye Huang , Zhongliang Jiang , Nassir Navab

Purpose: This paper presents the preliminary results of a semi-automatic method for prostate segmentation of Magnetic Resonance Images (MRI) which aims to be incorporated in a navigation system for prostate brachytherapy. Methods: The…

Other Computer Science · Computer Science 2008-12-18 Sébastien Martin , Vincent Daanen , Jocelyne Troccaz

Prostate cancer diagnosis through MR imaging have currently relied on radiologists' interpretation, whilst modern AI-based methods have been developed to detect clinically significant cancers independent of radiologists. In this study, we…

Image and Video Processing · Electrical Eng. & Systems 2026-01-09 Xiangcen Wu , Yipei Wang , Qianye Yang , Natasha Thorley , Shonit Punwani , Veeru Kasivisvanathan , Ester Bonmati , Yipeng Hu

Purpose: This study demonstrates a proof of concept of a method for simultaneous anatomical imaging and real-time (SMART) passive device tracking for MR-guided interventions. Methods: Phase Correlation template matching was combined with a…

Medical Physics · Physics 2019-08-29 Frank Zijlstra , Max A. Viergever , Peter R. Seevinck

Robot-assisted laparoscopic prostatectomy (RALP) is a treatment for prostate cancer that involves complete or nerve sparing removal prostate tissue that contains cancer. After removal the bladder neck is successively sutured directly with…

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