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This paper introduces an innovative methodology for producing high-quality 3D lung CT images guided by textual information. While diffusion-based generative models are increasingly used in medical imaging, current state-of-the-art…

Image and Video Processing · Electrical Eng. & Systems 2024-10-16 Yanwu Xu , Li Sun , Wei Peng , Shuyue Jia , Katelyn Morrison , Adam Perer , Afrooz Zandifar , Shyam Visweswaran , Motahhare Eslami , Kayhan Batmanghelich

Intraoperative ultrasound facilitates localisation of tumour boundaries during minimally invasive procedures. Autonomous ultrasound scanning systems have been recently proposed to improve scanning accuracy and reduce surgeons' cognitive…

Robotics · Computer Science 2018-03-19 Lin Zhang , Menglong Ye , Stamatia Giannarou , Philip Pratt , Guang-Zhong Yang

Advances in computer vision, particularly in optical image-based 3D reconstruction and feature matching, enable applications like marker-less surgical navigation and digitization of surgery. However, their development is hindered by a lack…

Computer Vision and Pattern Recognition · Computer Science 2025-01-29 Emma Most , Jonas Hein , Frédéric Giraud , Nicola A. Cavalcanti , Lukas Zingg , Baptiste Brument , Nino Louman , Fabio Carrillo , Philipp Fürnstahl , Lilian Calvet

Purpose: Intraoperative ultrasound scanning is a demanding visuotactile task. It requires operators to simultaneously localise the ultrasound perspective and manually perform slight adjustments to the pose of the probe, making sure not to…

Image and Video Processing · Electrical Eng. & Systems 2025-07-09 Alistair Weld , Luke Dixon , Giulio Anichini , Michael Dyck , Alex Ranne , Sophie Camp , Stamatia Giannarou

Intraoperative pathology is pivotal to precision surgery, yet its clinical impact is constrained by diagnostic complexity and the limited availability of high-quality frozen-section data. While computational pathology has made significant…

State-of-the-art computer- and robot-assisted surgery systems heavily depend on intraoperative imaging technologies such as CT and fluoroscopy to generate detailed 3D visualization of the patient's anatomy. While imaging techniques are…

Image and Video Processing · Electrical Eng. & Systems 2024-10-04 Aidana Massalimova , Florentin Liebmann , Sascha Jecklin , Fabio Carrillo , Farshad Mazda , Philipp Fürnstahl

Intraoperative CT imaging serves as a crucial resource for surgical guidance; however, it may not always be readily accessible or practical to implement. In scenarios where CT imaging is not an option, reconstructing CT scans from X-rays…

Image and Video Processing · Electrical Eng. & Systems 2024-08-22 Zhi Qiao , Xuhui Liu , Xiaopeng Wang , Runkun Liu , Xiantong Zhen , Pei Dong , Zhen Qian

Clinical examinations that involve endoscopic exploration of the nasal cavity and sinuses often do not have a reference image to provide structural context to the clinician. In this paper, we present a system for navigation during clinical…

Image and Video Processing · Electrical Eng. & Systems 2019-04-02 Ayushi Sinha , Xingtong Liu , Austin Reiter , Masaru Ishii , Gregory D. Hager , Russell H. Taylor

Computed tomography (CT) is a widely used imaging modality for medical diagnosis and treatment. In electroencephalography (EEG), CT imaging is necessary for co-registering with magnetic resonance imaging (MRI) and for creating more accurate…

Medical Physics · Physics 2019-06-12 Andreas D. Lauritzen , Xenophon Papademetris , Sergei Turovets , John A. Onofrey

Under conventional "open-" surgery, the physician has to take care of the patient, interact with other clinicians and check several monitoring devices. Nowadays, the Computer Assisted Surgery proposes to integrate 3D cameras in the…

Medical Physics · Physics 2016-08-14 Fabien Robineau , Frédéric Boy , Jean-Pierre Orliaguet , Jacques Demongeot , Yohan Payan

3D medical image generation is essential for data augmentation and patient privacy, calling for reliable and efficient models suited for clinical practice. However, current methods suffer from limited anatomical fidelity, restricted axial…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Minye Shao , Xingyu Miao , Haoran Duan , Zeyu Wang , Jingkun Chen , Yawen Huang , Xian Wu , Jingjing Deng , Yang Long , Yefeng Zheng

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

Recent advances in computed tomography (CT) imaging, especially with dual-robot systems, have introduced new challenges for scan trajectory optimization. This paper presents a novel approach using Gated Recurrent Units (GRUs) to optimize CT…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Yuedong Yuan , Linda-Sophie Schneider , Andreas Maier

Computer-assisted surgery (CAS) systems are designed to assist surgeons during procedures, thereby reducing complications and enhancing patient care. Training machine learning models for these systems requires a large corpus of annotated…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Danush Kumar Venkatesh , Dominik Rivoir , Micha Pfeiffer , Stefanie Speidel

In this paper we introduce a new method simulating stent graft deployment for assisting endovascular repair of abdominal aortic aneurysms. The method relies on intraoperative images coupled with mechanical models. A multi-step algorithm has…

Purpose: The goal is to develop a new architecture for computed tomography (CT) which is at an ultra-low-dose for developing countries, especially in rural areas. Methods: The proposed scheme is inspired by the recently developed…

Medical Physics · Physics 2013-12-23 Fenglin Liu , Hengyong Yu , Wenxiang Cong , Ge Wang

Positron Emission Tomography (PET) imaging requires accurate attenuation correction (AC) to account for photon loss due to tissue density variations. In PET/MR systems, computed tomography (CT), which offers a straightforward estimation of…

Image and Video Processing · Electrical Eng. & Systems 2025-04-11 Weijie Chen , James Wang , Alan McMillan

With the increasing popularity of PET-MR scanners in clinical applications, synthesis of CT images from MR has been an important research topic. Accurate PET image reconstruction requires attenuation correction, which is based on the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Snehashis Roy , John A. Butman , Dzung L. Pham

The Computed Tomography (CT) for diagnosis of lesions in human internal organs is one of the most fundamental topics in medical imaging. Low-dose CT, which offers reduced radiation exposure, is preferred over standard-dose CT, and therefore…

Image and Video Processing · Electrical Eng. & Systems 2023-09-26 Wenjie Liu

Recent advancements in retinal surgery have paved the way for a modern operating room equipped with a surgical robot, a microscope, and intraoperative optical coherence tomography (iOCT)- a depth sensor widely used in retinal surgery.…