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Spinal fusion surgery requires highly accurate implantation of pedicle screw implants, which must be conducted in critical proximity to vital structures with a limited view of anatomy. Robotic surgery systems have been proposed to improve…

Automatic medical image segmentation via convolutional neural networks (CNNs) has shown promising results. However, they may not always be robust enough for clinical use. Sub-optimal segmentation would require clinician's to manually…

Image and Video Processing · Electrical Eng. & Systems 2021-10-26 Helena Williams , João Pedrosa , Laura Cattani , Susanne Housmans , Tom Vercauteren , Jan Deprest , Jan D'hooge

In robotic-assisted partial nephrectomy, surgeons remove a part of a kidney often due to the presence of a mass. A drop-in ultrasound probe paired to a surgical robot is deployed to execute multiple swipes over the kidney surface to…

Current deep-learning based methods do not easily integrate to clinical protocols, neither take full advantage of medical knowledge. In this work, we propose and compare several strategies relying on curriculum learning, to support the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Amelia Jiménez-Sánchez , Diana Mateus , Sonja Kirchhoff , Chlodwig Kirchhoff , Peter Biberthaler , Nassir Navab , Miguel A. González Ballester , Gemma Piella

The presence of plaques in the coronary arteries is a major risk to the patients' life. In particular, non-calcified plaques pose a great challenge, as they are harder to detect and more likely to rupture than calcified plaques. While…

We study the problem of a cholesteric liquid crystal confined to an elliptical channel. The system is geometrically frustrated because the cholesteric prefers to adopt a uniform rate of twist deformation, but the elliptical domain precludes…

Soft Condensed Matter · Physics 2017-06-15 David B. Emerson , Patrick E. Farrell , James H. Adler , Scott P. MacLachlan , Timothy J. Atherton

Enhancing the precision of segmenting coronary atherosclerotic plaques from CT Angiography (CTA) images is pivotal for advanced Coronary Atherosclerosis Analysis (CAA), which distinctively relies on the analysis of vessel cross-section…

Image and Video Processing · Electrical Eng. & Systems 2025-01-15 Ziheng Zhang , Zihan Li , Dandan Shan , Yuehui Qiu , Qingqi Hong , Qingqiang Wu

The problem of finding the convex hull of an IFS fractal is relevant in both theoretical and computational settings. Various methods exist that approximate it, but our aim is its exact determination. The finiteness of extremal points is…

Dynamical Systems · Mathematics 2018-02-05 József Vass

Purpose: Central venous catheterization (CVC) is a critical medical procedure for vascular access, hemodynamic monitoring, and life-saving interventions. Its success remains challenging due to the need for continuous ultrasound-guided…

Automatically labeling intracranial arteries (ICA) with their anatomical names is beneficial for feature extraction and detailed analysis of intracranial vascular structures. There are significant variations in the ICA due to natural and…

Computer Vision and Pattern Recognition · Computer Science 2020-07-30 Li Chen , Thomas Hatsukami , Jenq-Neng Hwang , Chun Yuan

A multi-scale scheme for the invasion percolation of rock fracture networks with heterogeneous fracture aperture fields is proposed. Inside fractures, fluid transport is calculated on the finest scale and found to be localized in channels…

Geophysics · Physics 2014-08-22 Ali N. Ebrahimi , Falk K. Wittel , Nuno A. M. Araújo , Hans J. Herrmann

Hip fractures are a leading cause of death and disability among older adults. Hip fractures are also the most commonly missed diagnosis on pelvic radiographs. Computer-Aided Diagnosis (CAD) algorithms have shown promise for helping…

Bone fractures present a major global health challenge, often resulting in pain, reduced mobility, and productivity loss, particularly in low-resource settings where access to expert radiology services is limited. Conventional imaging…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Amna Hassan , Ilsa , Nouman Munib , Aneeqa Batool , Hamail Noor

In the paper, we propose a new effective mathematical formulation and resulting universal numerical algorithm capable of tackling various HF models in the framework of a unified approach. The presented numerical scheme is not limited to any…

Fluid Dynamics · Physics 2015-04-23 Michal Wrobel , Gennady Mishuris

Trauma is a significant cause of mortality and disability, particularly among individuals under forty. Traditional diagnostic methods for traumatic injuries, such as X-rays, CT scans, and MRI, are often time-consuming and dependent on…

Image and Video Processing · Electrical Eng. & Systems 2024-07-24 Liheng Jiang , Xuechun yang , Chang Yu , Zhizhong Wu , Yuting Wang

Accurate segmentation of Pelvic Radiation Injury (PRI) from Magnetic Resonance Images (MRI) is crucial for more precise prognosis assessment and the development of personalized treatment plans. However, automated segmentation remains…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Xinyu Xiong , Wuteng Cao , Zihuang Wu , Lei Zhang , Chong Gao , Guanbin Li , Qiyuan Qin

The phase-field fracture free-energy functional is non-convex with respect to the displacement and the phase field. This results in a poor performance of the conventional monolithic solvers like the Newton-Raphson method. In order to…

Numerical Analysis · Mathematics 2022-04-27 Ritukesh Bharali , Somdatta Goswami , Cosmin Anitescu , Timon Rabczuk

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

Numerous image processing techniques (IPTs) have been employed to detect crack defects, offering an alternative to human-conducted onsite inspections. These IPTs manipulate images to extract defect features, particularly cracks in surfaces…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Mohsen Asghari Ilani , Leila Amini , Hossein Karimi , Maryam Shavali Kuhshuri

Image-based crack detection algorithms are increasingly in demand in infrastructure monitoring, as early detection of cracks is of paramount importance for timely maintenance planning. While deep learning has significantly advanced crack…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Ghodsiyeh Rostami , Po-Han Chen , Mahdi S. Hosseini
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