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Prostate cancer biopsy benefits from accurate fusion of transrectal ultrasound (TRUS) and magnetic resonance (MR) images. In the past few years, convolutional neural networks (CNNs) have been proved powerful in extracting image features…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Xinrui Song , Hengtao Guo , Xuanang Xu , Hanqing Chao , Sheng Xu , Baris Turkbey , Bradford J. Wood , Ge Wang , Pingkun Yan

Magnetic Resonance Imaging (MRI) plays an important role in identifying clinically significant prostate cancer (csPCa), yet automated methods face challenges such as data imbalance, variable tumor sizes, and a lack of annotated data. This…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Alessia Hu , Regina Beets-Tan , Lishan Cai , Eduardo Pooch

Purpose: Accurate segmentation of prostate cancer on magnetic resonance (MR) images is crucial for planning image-guided interventions such as targeted biopsies, cryoablation, and radiotherapy. However, subtle and variable tumour…

Image and Video Processing · Electrical Eng. & Systems 2026-02-23 Junqing Yang , Natasha Thorley , Ahmed Nadeem Abbasi , Shonit Punwani , Zion Tse , Yipeng Hu , Shaheer U. Saeed

Accurate preoperative prediction of erectile dysfunction (ED) is important for counseling patients undergoing radical prostatectomy. While clinical features are established predictors, the added value of preoperative MRI remains…

Artificial intelligence systems show promise to aid in the di- agnostic pathway of prostate cancer (PC), by supporting radiologists in interpreting magnetic resonance images (MRI) of the prostate. Most MRI-based systems are designed to…

Image and Video Processing · Electrical Eng. & Systems 2025-02-18 Erlend Sortland Rolfsnes , Philip Thangngat , Trygve Eftestøl , Tobias Nordström , Fredrik Jäderling , Martin Eklund , Alvaro Fernandez-Quilez

The diagnostic value of biopsies is highly dependent on the placement of needles. Robotic trajectory guidance has been shown to improve needle positioning, but feedback for real-time navigation is limited. Haptic display of needle tip…

Reconfigurable robots are at the forefront of robotics innovation due to their unmatched versatility and adaptability in addressing various tasks through collaborative operations. This paper explores the design and implementation of a novel…

Robotics · Computer Science 2025-01-07 Ollie Wiltshire , Seyed Amir Tafrishi

Quantitative information on tumor heterogeneity and cell load could assist in designing effective and refined personalized treatment strategies. It was recently shown by us that such information can be inferred from the diffusion parameter…

Image and Video Processing · Electrical Eng. & Systems 2021-03-11 Yi Yin , Kai Breuhahn , Hans-Ulrich Kauczor , Oliver Sedlaczek , Irene E. Vignon-Clementel , Dirk Drasdo

Medical imaging based prostate cancer diagnosis procedure uses intra-operative transrectal ultrasound (TRUS) imaging to visualize the prostate shape and location to collect tissue samples. Correct tissue sampling from prostate requires…

Computer Vision and Pattern Recognition · Computer Science 2019-03-22 M. S. Hossain , A. P. Paplinski , J. M. Betts

Traditional rigid endoscopes have challenges in flexibly treating tumors located deep in the brain, and low operability and fixed viewing angles limit its development. This study introduces a novel dual-segment flexible robotic endoscope…

The emergence of real-time 3D ultrasound (US) makes it possible to consider image-based tracking of subcutaneous soft tissue targets for computer guided diagnosis and therapy. We propose a 3D transrectal US based tracking system for precise…

Other Computer Science · Computer Science 2008-01-17 Michael Baumann , Pierre Mozer , Vincent Daanen , Jocelyne Troccaz

We hypothesize that probabilistic voxel-level classification of anatomy and malignancy in prostate MRI, although typically posed as near-identical segmentation tasks via U-Nets, require different loss functions for optimal performance due…

Image and Video Processing · Electrical Eng. & Systems 2021-10-26 Anindo Saha , Joeran Bosma , Jasper Linmans , Matin Hosseinzadeh , Henkjan Huisman

Magnetic continuum robots (MCRs) enable minimally invasive navigation through tortuous anatomical channels, yet axially magnetized designs have largely been limited to bending-only motion. To expand deformation capabilities, this paper…

Robotics · Computer Science 2025-10-03 Wendu Zhang , Heng Wang , Shuangyi Wang , Yuanrui Huang

Interpreting traditional B-mode ultrasound images can be challenging due to image artifacts (e.g., shadowing, speckle), leading to low sensitivity and limited diagnostic accuracy. While Magnetic Resonance Imaging (MRI) has been proposed as…

Prostate cancer is the second deadliest cancer for American men. While Magnetic Resonance Imaging (MRI) is increasingly used to guide targeted biopsies for prostate cancer diagnosis, its utility remains limited due to high rates of false…

In situ tissue biopsy with an endoluminal catheter is an efficient approach for disease diagnosis, featuring low invasiveness and few complications. However, the endoluminal catheter struggles to adjust the biopsy direction by distal…

Robotics · Computer Science 2025-06-04 Botao Lin , Tinghua Zhang , Sishen Yuan , Tiantian Wang , Jiaole Wang , Wu Yuan , Hongliang Ren

The use of needles to access sites within organs is fundamental to many interventional medical procedures both for diagnosis and treatment. Safe and accurate navigation of a needle through living tissue to an intra-tissue target is…

Background and Objective: Accurate and reliable segmentation of the prostate gland in MR images can support the clinical assessment of prostate cancer, as well as the planning and monitoring of focal and loco-regional therapeutic…

Medical segmentation is performed to determine the bounds of regions of interest (ROI) prior to surgery. By allowing the study of growth, structure, and behaviour of the ROI in the planning phase, critical information can be obtained,…

Image and Video Processing · Electrical Eng. & Systems 2020-10-06 Bao Nguyen , Adam Feldman , Sarath Bethapudi , Andrew Jennings , Chris G. Willcocks

This work tackles practical issues which arise when using a tendon-driven robotic manipulator (TDRM) with a long, flexible, passive proximal section in medical applications. Tendon-driven devices are preferred in medicine for their improved…

Robotics · Computer Science 2023-04-20 Christian DeBuys , Florin C. Ghesu , Jagadeesan Jayender , Reza Langari , Young-Ho Kim