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When developing deep neural networks for segmenting intraoperative ultrasound images, several practical issues are encountered frequently, such as the presence of ultrasound frames that do not contain regions of interest and the high…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Liam F Chalcroft , Jiongqi Qu , Sophie A Martin , Iani JMB Gayo , Giulio V Minore , Imraj RD Singh , Shaheer U Saeed , Qianye Yang , Zachary MC Baum , Andre Altmann , Yipeng Hu

Prostate cancer was the third most common cancer in 2020 internationally, coming after breast cancer and lung cancer. Furthermore, in recent years prostate cancer has shown an increasing trend. According to clinical experience, if this…

Image and Video Processing · Electrical Eng. & Systems 2022-08-30 Carlos Nácher Collado

Ultrasound images of the forearm can be used to classify hand gestures towards developing human machine interfaces. In our previous work, we have demonstrated gesture classification using ultrasound on a single subject without removing the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Keshav Bimbraw , Jack Rothenberg , Haichong K. Zhang

3D pose estimation from a 2D cross-sectional view enables healthcare professionals to navigate through the 3D space, and such techniques initiate automatic guidance in many image-guided radiology applications. In this work, we investigate…

Image and Video Processing · Electrical Eng. & Systems 2024-08-20 Qianhui Men , Xiaoqing Guo , Aris T. Papageorghiou , J. Alison Noble

The aim of this study was to develop a model to accurately identify corresponding points between organ segmentations of different patients for radiotherapy applications. A model for simultaneous correspondence and interpolation estimation…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Edward G. A. Henderson , Marcel van Herk , Andrew F. Green , Eliana M. Vasquez Osorio

Thanks to advancements in diagnosis and treatment, prostate cancer patients have high long-term survival rates. Currently, an important goal is to preserve quality-of-life during and after treatment. The relationship between the radiation a…

Quantitative Methods · Quantitative Biology 2026-05-12 Zhijian Yang , Daniel Olszewski , Chujun He , Giulia Pintea , Jun Lian , Tom Chou , Ronald Chen , Blerta Shtylla

This paper proposes a two-stage segmentation model, variable-input based uncertainty measures and an uncertainty-guided post-processing method for prostate segmentation on 3D magnetic resonance images (MRI). The two-stage model was based on…

Computer Vision and Pattern Recognition · Computer Science 2019-03-07 Huitong Pan , Yushan Feng , Quan Chen , Craig Meyer , Xue Feng

Registering images from different modalities is an active area of research in computer aided medical interventions. Several registration algorithms have been developed, many of which achieve high accuracy. However, these results are…

Computer Vision and Pattern Recognition · Computer Science 2018-06-29 Ayushi Sinha , Masaru Ishii , Russell H. Taylor , Gregory D. Hager , Austin Reiter

There has been significant progress in machine learning algorithms for human pose estimation that may provide immense value in rehabilitation and movement sciences. However, there remain several challenges to routine use of these tools for…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 R. James Cotton

Ultrasound imaging is a commonly used technology for visualising patient anatomy in real-time during diagnostic and therapeutic procedures. High operator dependency and low reproducibility make ultrasound imaging and interpretation…

Non-invasive prostate cancer detection from MRI has the potential to revolutionize patient care by providing early detection of clinically-significant disease (ISUP grade group >= 2), but has thus far shown limited positive predictive…

Image and Video Processing · Electrical Eng. & Systems 2022-12-14 Abhejit Rajagopal , Antonio C. Westphalen , Nathan Velarde , Tim Ullrich , Jeffry P. Simko , Hao Nguyen , Thomas A. Hope , Peder E. Z. Larson , Kirti Magudia

Morphological analysis of longitudinal MR images plays a key role in monitoring disease progression for prostate cancer patients, who are placed under an active surveillance program. In this paper, we describe a learning-based image…

Image and Video Processing · Electrical Eng. & Systems 2020-11-05 Qianye Yang , Yunguan Fu , Francesco Giganti , Nooshin Ghavami , Qingchao Chen , J. Alison Noble , Tom Vercauteren , Dean Barratt , Yipeng Hu

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…

Assistive robots for healthcare have seen a growing demand due to the great potential of relieving medical practitioners from routine jobs. In this paper, we investigate the development of an optimization-based control framework for an…

Robotics · Computer Science 2022-03-07 Anqing Duan , Maria Victorova , Jingyuan Zhao , Yongping Zheng , David Navarro-Alarcon

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

Accurate segmentation of prostate and surrounding organs at risk is important for prostate cancer radiotherapy treatment planning. We present a fully automated workflow for male pelvic CT image segmentation using deep learning. The…

One of the distinct characteristics in radiologists' reading of multiparametric prostate MR scans, using reporting systems such as PI-RADS v2.1, is to score individual types of MR modalities, T2-weighted, diffusion-weighted, and dynamic…

Image and Video Processing · Electrical Eng. & Systems 2024-01-23 Wen Yan , Bernard Chiu , Ziyi Shen , Qianye Yang , Tom Syer , Zhe Min , Shonit Punwani , Mark Emberton , David Atkinson , Dean C. Barratt , Yipeng Hu

Purpose: Intraoperative ultrasound (US) can enhance real-time visualization in transoral robotic surgery. The surgeon creates a mental map with a pre-operative scan. Then, a surgical assistant performs freehand US scanning during the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Wanwen Chen , Adam Schmidt , Eitan Prisman , Septimiu E. Salcudean

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…

Spacecraft pose estimation is a key task to enable space missions in which two spacecrafts must navigate around each other. Current state-of-the-art algorithms for pose estimation employ data-driven techniques. However, there is an absence…

Computer Vision and Pattern Recognition · Computer Science 2022-12-29 Juan Ignacio Bravo Pérez-Villar , Álvaro García-Martín , Jesús Bescós