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Purpose: We report what is to our knowledge the initial experience with a new 3-dimensional ultrasound robotic system for prostate brachytherapy assistance, focal therapy and prostate biopsies. Its ability to track prostate motion…

Bioresorbable scaffolds have become a popular choice for treatment of coronary heart disease, replacing traditional metal stents. Often, intravascular optical coherence tomography is used to assess potential malapposition after implantation…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Nils Gessert , Sarah Latus , Youssef S. Abdelwahed , David M. Leistner , Matthias Lutz , Alexander Schlaefer

Chest X-ray (CXR) is frequently employed in emergency departments and intensive care units to verify the proper placement of central lines and tubes and to rule out related complications. The automation of the X-ray reading process can be a…

Image and Video Processing · Electrical Eng. & Systems 2023-12-07 Francesca Boccardi , Axel Saalbach , Heinrich Schulz , Samuele Salti , Ilyas Sirazitdinov

We study the task of semantic segmentation of surgical instruments in robotic-assisted surgery scenes. We propose the Instance-based Surgical Instrument Segmentation Network (ISINet), a method that addresses this task from an instance-based…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Cristina González , Laura Bravo-Sánchez , Pablo Arbelaez

Purpose: Organ-at-risk (OAR) delineation is a key step for cone-beam CT (CBCT) based adaptive radiotherapy planning that can be a time-consuming, labor-intensive, and subject-to-variability process. We aim to develop a fully automated…

Radiation therapy is an important tool in the treatment of breast cancer and can play a crucial role in improving patient outcomes. For breast cancer, if the technique has been for a long time the use of 3DCRT, clinicians have seen the…

Purpose: To determine whether alternative HDR prostate brachytherapy catheter patterns can result in improved dose distributions while providing better access and reducing trauma. Methods: Prostate HDR brachytherapy uses a grid of parallel…

Medical Physics · Physics 2015-05-13 J. Adam M. Cunha , I-Chow Hsu , Jean Pouliot

Accurate and scalable cancer diagnosis remains a critical challenge in modern pathology, particularly for malignancies such as breast, prostate, bone, and cervical, which exhibit complex histological variability. In this study, we propose a…

Image and Video Processing · Electrical Eng. & Systems 2025-08-18 Faisal Ahmed

The focus of pancreatic cancer research has been shifted from pancreatic cancer cells towards their microenvironment, involving pancreatic stellate cells that interact with cancer cells and influence tumor progression. To quantitatively…

Quantitative Methods · Quantitative Biology 2016-06-13 Qinsi Wang , Natasa Miskov-Zivanov , Bing Liu , James R. Faeder , Michael Lotze , Edmund M. Clarke

Purpose: This study compares two augmented reality (AR)-guided imaging workflows, one based on ultrasound shape completion and the other on cone-beam computed tomography (CBCT), for planning and executing lumbar needle interventions. The…

Human-Computer Interaction · Computer Science 2026-03-05 Tianyu Song , Feng Li , Felix Pabst , Miruna-Alexandra Gafencu , Yuan Bi , Ulrich Eck , Nassir Navab

In recent years, the steerable needles have attracted significant interest in Minimally Invasive Surgery (MIS). Amongst these, the flexible Programmable-bevel tip needle (PBN) concept has successfully achieved an in-vivo demonstration to…

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. Direct CT guidance allows physicians to localize tumours…

Robotics · Computer Science 2022-03-18 Dimitri A. Schreiber , Daniel B. Shak , Alexander M. Norbash , Michael C. Yip

Cervical cancer remains a significant health challenge, with high incidence and mortality rates, particularly in transitioning countries. Conventional Liquid-Based Cytology(LBC) is a labor-intensive process, requires expert pathologists and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Love Panta , Suraj Prasai , Karishma Malla Vaidya , Shyam Shrestha , Suresh Manandhar

Accurately visualizing and editing tumor progression in medical imaging is crucial for diagnosis, treatment planning, and clinical communication. To address the challenges of subjectivity and limited precision in existing methods, we…

Image and Video Processing · Electrical Eng. & Systems 2025-03-11 Gexin Huang , Ruinan Jin , Yucheng Tang , Can Zhao , Tatsuya Harada , Xiaoxiao Li , Gu Lin

Ultrasound-guided percutaneous needle insertion is a standard procedure employed in both biopsy and ablation in clinical practices. However, due to the complex interaction between tissue and instrument, the needle may deviate from the…

In modern cancer research, the vast volume of medical data generated is often underutilised due to challenges related to patient privacy. The OncoReg Challenge addresses this issue by enabling researchers to develop and validate image…

Radiotherapy is one of the primary treatment methods for tumors, but the organ movement caused by respiration limits its accuracy. Recently, 3D imaging from a single X-ray projection has received extensive attention as a promising approach…

Image and Video Processing · Electrical Eng. & Systems 2024-04-01 Miao Zhu , Qiming Fu , Bo Liu , Mengxi Zhang , Bojian Li , Xiaoyan Luo , Fugen Zhou

Cervical cancer is one of the most severe diseases threatening women's health. Early detection and diagnosis can significantly reduce cancer risk, in which cervical cytology classification is indispensable. Researchers have recently…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Linyi Qian , Qian Huang , Yulin Chen , Junzhou Chen

Purpose: Accurate segmentation of clinical target volumes (CTV) and organs-at-risk is crucial for optimizing gynecologic brachytherapy (GYN-BT) treatment planning. However, anatomical variability, low soft-tissue contrast in CT imaging, and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Mingzhe Hu , Yuan Gao , Yuheng Li , Ricahrd LJ Qiu , Chih-Wei Chang , Keyur D. Shah , Priyanka Kapoor , Beth Bradshaw , Yuan Shao , Justin Roper , Jill Remick , Zhen Tian , Xiaofeng Yang

Subretinal injection is a delicate vitreoretinal procedure requiring precise needle placement within the subretinal space while avoiding perforation of the retinal pigment epithelium (RPE), a layer directly beneath the target with extremely…