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Suboptimal interaction with patient data and challenges in mastering 3D anatomy based on ill-posed 2D interventional images are essential concerns in image-guided therapies. Augmented reality (AR) has been introduced in the operating rooms…

Computer Vision and Pattern Recognition · Computer Science 2020-03-05 Javad Fotouhi , Arian Mehrfard , Tianyu Song , Alex Johnson , Greg Osgood , Mathias Unberath , Mehran Armand , Nassir Navab

The 2D projective nature of X-ray radiography presents significant limitations in fluoroscopy-guided interventions, particularly the loss of depth perception and prolonged radiation exposure. Integrating magnetic trackers into these…

X-ray Computed Tomography (CT) is used to recover the true surfaces of fluid channels and fed to simulation tool (ANSYS) to create accurate cyber environment. The simulation tool also receives CT-assisted multiphase fluid profiles…

Fluid Dynamics · Physics 2024-08-06 Vaishali Sharma , Arpit Kumar , Snehlata Shakya , Mayank Goswami

X-Ray based computed tomography (CT) is a well-established technique for determining the three-dimensional structure of an object from its two-dimensional projections. In the past few decades, there have been significant advancements in the…

Medical Physics · Physics 2023-04-26 Dinesh Kumar , Dilworth Y. Parkinson , Jeffrey J. Donatelli

Computed tomography (CT) scans offer a detailed, three-dimensional representation of patients' internal organs. However, conventional CT reconstruction techniques necessitate acquiring hundreds or thousands of x-ray projections through a…

Image and Video Processing · Electrical Eng. & Systems 2023-11-27 Chulong Zhang , Lin Liu , Jingjing Dai , Xuan Liu , Wenfeng He , Yinping Chan , Yaoqin Xie , Feng Chi , Xiaokun Liang

During endovascular interventions, physicians have to perform accurate and immediate operations based on the available real-time information, such as the shape and position of guidewires observed on the fluoroscopic images, haptic…

Image and Video Processing · Electrical Eng. & Systems 2024-04-16 Baochang Zhang , Mai Bui , Cheng Wang , Felix Bourier , Heribert Schunkert , Nassir Navab

X-ray tomography is a powerful volumetric imaging technique, but detailed three dimensional (3D) imaging requires the acquisition of a large number of individual X-ray images, which is time consuming. For applications where spatial…

Image and Video Processing · Electrical Eng. & Systems 2023-02-28 Zhenduo Shang , Thomas Blumensath

As Micro-CT technology continues to refine its characterization of material microstructures, industrial CT ultra-precision inspection is generating increasingly large datasets, necessitating solutions to the trade-off between accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Yipeng Yin , Rao Yao , Qingying Li , Dazhong Wang , Hong Zhou , Zhijun Fang , Jianing Chen , Longjie Qian , Mingyue Wu

Registration is widely used in image-guided therapy and image-guided surgery to estimate spatial correspondences between organs of interest between planning and treatment images. However, while high-quality computed tomography (CT) images…

Image and Video Processing · Electrical Eng. & Systems 2022-03-11 Lin Tian , Connor Puett , Peirong Liu , Zhengyang Shen , Stephen R. Aylward , Yueh Z. Lee , Marc Niethammer

X-ray computed tomography is a powerful tool for volumetric imaging, where three-dimensional (3D) images are generated from a large number of individual X-ray projection images. Collecting the required number of low noise projection images…

Image and Video Processing · Electrical Eng. & Systems 2025-04-30 Zhenduo Shang , Thomas Blumensath

Chest computed tomography (CT) imaging adds valuable insight in the diagnosis and management of pulmonary infectious diseases, like tuberculosis (TB). However, due to the cost and resource limitations, only X-ray images may be available for…

Image and Video Processing · Electrical Eng. & Systems 2022-11-16 Elena Sizikova , Xu Cao , Ashia Lewis , Kenny Moise , Megan Coffee

To restore proper blood flow in blocked coronary arteries via angioplasty procedure, accurate placement of devices such as catheters, balloons, and stents under live fluoroscopy or diagnostic angiography is crucial. Identified balloon…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 Saahil Islam , Venkatesh N. Murthy , Dominik Neumann , Serkan Cimen , Puneet Sharma , Andreas Maier , Dorin Comaniciu , Florin C. Ghesu

Medical imaging is a cornerstone of therapy and diagnosis in modern medicine. However, the choice of imaging modality for a particular theranostic task typically involves trade-offs between the feasibility of using a particular modality…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Mayur Mallya , Ghassan Hamarneh

X-ray computed tomographic infrastructures are medical imaging modalities that rely on the acquisition of rays crossing examined objects while measuring their intensity decrease. Physical measurements are post-processed by mathematical…

Image and Video Processing · Electrical Eng. & Systems 2022-01-25 Attila Juhos

Interrupted X-ray computed tomography (X-CT) has been the common way to observe the deformation of materials during an experiment. While this approach is effective for quasi-static experiments, it has never been possible to reconstruct a…

Instrumentation and Detectors · Physics 2024-10-29 Ivan Grega , William F. Whitney , Vikram S. Deshpande

Since the mapping relationship between definitized intra-interventional X-ray and undefined pre-interventional Computed Tomography(CT) is uncertain, auxiliary positioning devices or body markers, such as medical implants, are commonly used…

Image and Video Processing · Electrical Eng. & Systems 2021-11-30 Meng Li , Changyan Lin , Heng Wu , Jiasong Li , Hongshuai Cao

Advanced minimally invasive neurosurgery navigation relies mainly on Magnetic Resonance Imaging (MRI) guidance. MRI guidance, however, only provides pre-operative information in the majority of the cases. Once the surgery begins, the value…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Gary Sarwin , Alessandro Carretta , Victor Staartjes , Matteo Zoli , Diego Mazzatenta , Luca Regli , Carlo Serra , Ender Konukoglu

Robotic-assisted medical systems (RAMS) have gained significant attention for their advantages in alleviating surgeons' fatigue and improving patients' outcomes. These systems comprise a range of human-computer interactions, including…

Robotics · Computer Science 2024-10-22 Letian Ai , Yihao Liu , Mehran Armand , Amir Kheradmand , Alejandro Martin-Gomez

The exponential growth of medical imaging has created significant challenges in data storage, transmission, and management for healthcare systems. In this vein, efficient compression becomes increasingly important. Unlike natural image…

Image and Video Processing · Electrical Eng. & Systems 2026-02-10 Guofeng Tong , Sixuan Liu , Yang Lv , Hanyu Pei , Feng-Lei Fan

This study tackles key obstacles in adopting surgical navigation in orthopedic surgeries, including time, cost, radiation, and workflow integration challenges. Recently, our work X23D showed an approach for generating 3D anatomical models…