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Singular points of a fingerprint image are special locations having high curvature properties. They can play a pivotal role in fingerprint normalization and reliable feature extraction. Accurate and efficient extraction of a singular point…

Computer Vision and Pattern Recognition · Computer Science 2019-08-15 Geetika Arora , Ranjeet Ranjan Jha , Akash Agrawal , Kamlesh Tiwari , Aditya Nigam

Surgical navigation provides real-time guidance by estimating the pose of patient anatomy and surgical instruments to visualize relevant intraoperative information. In conventional systems, instruments are typically tracked using fiducial…

Human-Computer Interaction · Computer Science 2026-03-10 Jiaming Zhang , Mingxu Liu , Hongchao Shu , Ruixing Liang , Yihao Liu , Ojas Taskar , Amir Kheradmand , Mehran Armand , Alejandro Martin-Gomez

In Twin-to-Twin Transfusion Syndrome (TTTS), abnormal vascular anastomoses in the monochorionic placenta can produce uneven blood flow between the two fetuses. In the current practice, TTTS is treated surgically by closing abnormal…

The use of Augmented Reality (AR) devices for surgical guidance has gained increasing traction in the medical field. Traditional registration methods often rely on external fiducial markers to achieve high accuracy and real-time…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yue Yang , Christoph Leuze , Brian Hargreaves , Bruce Daniel , Fred Baik

In this work, a novel approach for the detection and localisation of nonlinear guided waves often associated with the presence of damage in structural components is proposed. The method is active and consists of a piezoelectric transducer…

Applied Physics · Physics 2024-06-26 Paweł Kudela , Maciej Radzienski , Marco Miniaci , Piotr Fiborek , Wieslaw Ostachowicz

Learning anatomical segmentation from heterogeneous labels in multi-center datasets is a common situation encountered in clinical scenarios, where certain anatomical structures are only annotated in images coming from particular medical…

Image and Video Processing · Electrical Eng. & Systems 2023-09-06 Nicolás Gaggion , Maria Vakalopoulou , Diego H. Milone , Enzo Ferrante

Delineating infarcted tissue in ischemic stroke lesions is crucial to determine the extend of damage and optimal treatment for this life-threatening condition. However, this problem remains challenging due to high variability of ischemic…

Computer Vision and Pattern Recognition · Computer Science 2018-10-17 Jose Dolz , Ismail Ben Ayed , Christian Desrosiers

Identifying landmarks in the femoral area is crucial for ultrasound (US) -based robot-guided catheter insertion, and their presentation varies when imaged with different scanners. As such, the performance of past deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2020-11-16 Edward Chen , Tejas Sudharshan Mathai , Vinit Sarode , Howie Choset , John Galeotti

Retinal blood vessel segmentation can extract clinically relevant information from fundus images. As manual tracing is cumbersome, algorithms based on Convolution Neural Networks have been developed. Such studies have used small publicly…

Image and Video Processing · Electrical Eng. & Systems 2024-06-24 Jeremiah Fadugba , Patrick Köhler , Lisa Koch , Petru Manescu , Philipp Berens

Accurate identification of arteries and veins in ultrasound images is crucial for vascular examinations and interventions in robotics-assisted surgeries. However, current methods for ultrasound vessel segmentation face challenges in…

Image and Video Processing · Electrical Eng. & Systems 2024-08-01 Yimeng Geng , Gaofeng Meng , Mingcong Chen , Guanglin Cao , Mingyang Zhao , Jianbo Zhao , Hongbin Liu

Medical images used in clinical practice are heterogeneous and not the same quality as scans studied in academic research. Preprocessing breaks down in extreme cases when anatomy, artifacts, or imaging parameters are unusual or protocols…

Image and Video Processing · Electrical Eng. & Systems 2022-08-31 Mostafa Mehdipour Ghazi , Mads Nielsen

Cardiac auscultation involves expert interpretation of abnormalities in heart sounds using stethoscope. Deep learning based cardiac auscultation is of significant interest to the healthcare community as it can help reducing the burden of…

Computer Vision and Pattern Recognition · Computer Science 2020-07-29 Siddique Latif , Muhammad Usman , Rajib Rana , Junaid Qadir

In developing medical interventions using untethered milli- and microrobots, ensuring safety and effectiveness relies on robust methods for detection, real-time tracking, and precise localization within the body. However, the inherent…

Robotics · Computer Science 2024-09-16 Husnu Halid Alabay , Tuan-Anh Le , Hakan Ceylan

Object detection problem solving has developed greatly within the past few years. There is a need for lighter models in instances where hardware limitations exist, as well as a demand for models to be tailored to mobile devices. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Mohammad Hajizadeh , Mohammad Sabokrou , Adel Rahmani

An abdominal ultrasound examination, which is the most common ultrasound examination, requires substantial manual efforts to acquire standard abdominal organ views, annotate the views in texts, and record clinically relevant organ…

Computer Vision and Pattern Recognition · Computer Science 2018-06-06 Zhoubing Xu , Yuankai Huo , JinHyeong Park , Bennett Landman , Andy Milkowski , Sasa Grbic , Shaohua Zhou

Nonlinear Resonant Ultrasound Spectroscopy (NRUS) experiments that rely on repeated sampling of resonance curves are inherently sensitive to measurement protocol due to evolution of material parameters caused by fast and slow dynamic…

Image and Video Processing · Electrical Eng. & Systems 2026-05-01 Jan Kober , Radovan Zeman , Marco Scalerandi

Purpose: The motion of the common carotid artery tissue layers along the vessel axis during the cardiac cycle, observed in ultrasound imaging, is associated with the presence of established cardiovascular risk factors. However, the vast…

Medical Physics · Physics 2020-07-27 Guillaume Zahnd , Kozue Saito , Kazuyuki Nagatsuka , Yoshito Otake , Yoshinobu Sato

Background:Subarachnoid hemorrhage caused by ruptured cerebral aneurysm often leads to fatal consequences.However,if the aneurysm can be found and treated during asymptomatic periods,the probability of rupture can be greatly reduced.At…

Image and Video Processing · Electrical Eng. & Systems 2021-10-27 Chen Geng , Meng Chen , Ruoyu Di , Dongdong Wang , Liqin Yang , Wei Xia , Yuxin Li , Daoying Geng

Magnetic resonance imaging is a fundamental tool to reach a diagnosis of multiple sclerosis and monitoring its progression. Although several attempts have been made to segment multiple sclerosis lesions using artificial intelligence, fully…

Accurately tracking particles and determining their coordinate along the optical axis is a major challenge in optical microscopy, especially when extremely high precision is needed. In this study, we introduce a deep learning approach using…

Image and Video Processing · Electrical Eng. & Systems 2025-08-05 Andrey Alexandrov , Giovanni Acampora , Giovanni De Lellis , Antonia Di Crescenzo , Chiara Errico , Daria Morozova , Valeri Tioukov , Autilia Vittiello