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Volume visualization is a method that displays three-dimensional (3D) data in two-dimensional (2D) space. Using 3D datasets instead of 2D traditional images improves the visualization of anatomical structures, and volume visualization helps…

While laparoscopic liver resection is less prone to complications and maintains patient outcomes compared to traditional open surgery, its complexity hinders widespread adoption due to challenges in representing the liver's internal…

图像与视频处理 · 电气工程与系统科学 2024-10-11 Karl-Philippe Beaudet , Alexandros Karargyris , Sidaty El Hadramy , Stéphane Cotin , Jean-Paul Mazellier , Nicolas Padoy , Juan Verde

3D ultrasound (US) imaging has shown significant benefits in enhancing the outcomes of percutaneous liver tumour ablation. Its clinical integration is crucial for transitioning 3D US into the therapeutic domain. However, challenges of…

图像与视频处理 · 电气工程与系统科学 2025-06-27 Shuwei Xing , Derek W. Cool , David Tessier , Elvis C. S. Chen , Terry M. Peters , Aaron Fenster

3D reconstruction of the liver for volumetry is important for qualitative analysis and disease diagnosis. Liver volumetry using ultrasound (US) scans, although advantageous due to less acquisition time and safety, is challenging due to the…

Accurate volumetric characterization of lesions is essential for oncologic diagnosis, risk stratification, and treatment planning. While imaging modalities such as Computed Tomography provide high-quality 3D data, 2D ultrasound (2D-US)…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Kian Wei Ng , Yujia Gao , Deborah Khoo , Ying Zhen Tan , Chengzheng Mao , Haojie Cheng , Andrew Makmur , Kee Yuan Ngiam , Serene Goh , Eng Tat Khoo

Introduction: Accurate intraoperative delineation of colorectal liver metastases (CRLM) is crucial for achieving negative resection margins but remains challenging using intraoperative ultrasound (iUS) due to low contrast, noise, and…

计算机视觉与模式识别 · 计算机科学 2025-11-10 Tiziano Natali , Karin A. Olthof , Niels F. M. Kok , Koert F. D. Kuhlmann , Theo J. M. Ruers , Matteo Fusaglia

Robot-guided catheter insertion has the potential to deliver urgent medical care in situations where medical personnel are unavailable. However, this technique requires accurate and reliable segmentation of anatomical landmarks in the body.…

图像与视频处理 · 电气工程与系统科学 2023-01-19 Cecilia Morales , Jason Yao , Tejas Rane , Robert Edman , Howie Choset , Artur Dubrawski

Liver tumor ablation procedures require accurate placement of the needle applicator at the tumor centroid. The lower-cost and real-time nature of ultrasound (US) has advantages over computed tomography (CT) for applicator guidance, however,…

图像与视频处理 · 电气工程与系统科学 2024-10-04 Shuwei Xing , Derek W. Cool , David Tessier , Elvis C. S. Chen , Terry M. Peters , Aaron Fenster

Quantitative ultrasound (QUS) offers a non-invasive and objective way to quantify tissue health. We recently presented a spatially adaptive regularization method for reconstruction of a single QUS parameter, limited to a two dimensional…

Ultrasound (US) imaging is widely used in diagnosing and staging abdominal diseases due to its lack of non-ionizing radiation and prevalent availability. However, significant inter-operator variability and inconsistent image acquisition…

机器人学 · 计算机科学 2024-10-28 Yordanka Velikova , Mohammad Farid Azampour , Walter Simson , Marco Esposito , Nassir Navab

Purpose: This proof-of-concept study evaluates feasibility and accuracy of an ultrasound-based navigation system for open liver surgery. Unlike most conventional systems that rely on registration to preoperative imaging, the proposed system…

图像与视频处理 · 电气工程与系统科学 2025-11-03 Karin Olthof , Theo Ruers , Tiziano Natali , Lisanne Venix , Jasper Smit , Anne den Hartor , Niels Kok , Matteo Fusaglia , Koert Kuhlmann

Purpose: Laparoscopic ultrasound (LUS) enhances the safety of liver surgery by visualizing intrahepatic vessels in real-time. Still, vessel identification remains difficult due to probe constraints, complex vascular structure, and tissue…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Karl-Philippe Beaudet , Yordanka Velikova , Sidaty El Hadramy , Nassir Navab , Philippe Cattin , Juan Verde , Stéphane Cotin

Freehand 3D ultrasound (US) imaging using conventional 2D probes offers flexibility and accessibility for diverse clinical applications but faces challenges in accurate probe pose estimation. Traditional methods depend on costly tracking…

机器人学 · 计算机科学 2025-10-20 Yameng Zhang , Dianye Huang , Max Q. -H. Meng , Nassir Navab , Zhongliang Jiang

With the emergence of swept-volume ultrasound (US) probes, precise and almost real-time US volume imaging has become available. This offers many new opportunities for computer guided diagnosis and therapy, 3-D images containing…

其他计算机科学 · 计算机科学 2008-01-25 Michael Baumann , Vincent Daanen , Antoine Leroy , Jocelyne Troccaz

Accurate geometric quantification of the human heart is a key step in the diagnosis of numerous cardiac diseases, and in the management of cardiac patients. Ultrasound imaging is the primary modality for cardiac imaging, however acquisition…

图像与视频处理 · 电气工程与系统科学 2022-07-28 David Stojanovski , Uxio Hermida , Marica Muffoletto , Pablo Lamata , Arian Beqiri , Alberto Gomez

Medical ultrasound (US) imaging is a frontline tool for the diagnosis of kidney diseases. However, traditional freehand imaging procedure suffers from inconsistent, operator-dependent outcomes, lack of 3D localization information, and risks…

机器人学 · 计算机科学 2026-02-19 Xihan Ma , Haichong Zhang

Three-dimensional (3D) ultrasound imaging can overcome the limitations of conventional two dimensional (2D) ultrasound imaging in structural observation and measurement. However, conducting volumetric ultrasound imaging for large-sized…

图像与视频处理 · 电气工程与系统科学 2024-12-03 Caozhe Li , Enxiang Shen , Haoyang Wang , Yuxin Wang , Jie Yuan , Li Gong , Di Zhao , Weijing Zhang , Zhibin Jin

IntraVascular UltraSound (IVUS) is one of the most effective imaging modalities that provides assistance to experts in order to diagnose and treat cardiovascular diseases. We address a central problem in IVUS image analysis with Fully…

机器学习 · 统计学 2018-06-15 Ji Yang , Lin Tong , Mehdi Faraji , Anup Basu

Super-resolution ultrasound (SRUS) technology has overcome the resolution limitations of conventional ultrasound, enabling micrometer-scale imaging of microvasculature. However, due to the nature of imaging principles, three-dimensional…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Jincao Yao , Ke Zhang , Yahan Zhou , Jiafei Shen , Jie Liu , Mudassar Ali , Bojian Feng , Jiye Chen , Jinlong Fan , Ping Liang , Dong Xu

During neurosurgical operations, surgeons can decide to acquire intraoperative data to better proceed with the removal of a tumor. A valid option is given by ultrasound (US) imaging, which can be easily obtained at subsequent surgical…

图像与视频处理 · 电气工程与系统科学 2020-01-13 Luca Canalini , Jan Klein , Dorothea Miller , Ron Kikinis
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