中文
相关论文

相关论文: End-to-End Real-time Catheter Segmentation with Op…

200 篇论文

Automated detection and segmentation of surgical devices, such as catheters or wires, in X-ray fluoroscopic images have the potential to enhance image guidance in minimally invasive heart surgeries. In this paper, we present a convolutional…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Lin Xi , Yingliang Ma , Ethan Koland , Sandra Howell , Aldo Rinaldi , Kawal S. Rhode

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…

图像与视频处理 · 电气工程与系统科学 2024-04-16 Baochang Zhang , Mai Bui , Cheng Wang , Felix Bourier , Heribert Schunkert , Nassir Navab

Real-time tool segmentation is an essential component in computer-assisted surgical systems. We propose a novel real-time automatic method based on Fully Convolutional Networks (FCN) and optical flow tracking. Our method exploits the…

Augmenting X-ray imaging with 3D roadmap to improve guidance is a common strategy. Such approaches benefit from automated analysis of the X-ray images, such as the automatic detection and tracking of instruments. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2017-07-18 Pierre Ambrosini , Daniel Ruijters , Wiro J. Niessen , Adriaan Moelker , Theo van Walsum

In minimally invasive endovascular procedures, contrast-enhanced angiography remains the most robust imaging technique. However, it is at the expense of the patient and clinician's health due to prolonged radiation exposure. As an…

图像与视频处理 · 电气工程与系统科学 2024-09-11 Alex Ranne , Liming Kuang , Yordanka Velikova , Nassir Navab , Ferdinando Rodriguez y Baena

Performing a real-time and accurate instrument segmentation from videos is of great significance for improving the performance of robotic-assisted surgery. We identify two important clues for surgical instrument perception, including local…

计算机视觉与模式识别 · 计算机科学 2021-09-29 Jiacheng Wang , Yueming Jin , Liansheng Wang , Shuntian Cai , Pheng-Ann Heng , Jing Qin

Real-time tool segmentation from endoscopic videos is an essential part of many computer-assisted robotic surgical systems and of critical importance in robotic surgical data science. We propose two novel deep learning architectures for…

Purpose: Mechanical thrombectomy (MT) improves stroke outcomes, but is limited by a lack of local treatment access. Widespread distribution of reinforcement learning (RL)-based robotic systems can be used to alleviate this challenge through…

Robot-assisted endovascular intervention offers a safe and effective solution for remote catheter manipulation, reducing radiation exposure while enabling precise navigation. Reinforcement learning (RL) has recently emerged as a promising…

机器人学 · 计算机科学 2026-02-25 Hao Wang , Tianliang Yao , Bo Lu , Zhiqiang Pei , Liu Dong , Lei Ma , Peng Qi

This paper presents a deep learning framework for medical video segmentation. Convolution neural network (CNN) and transformer-based methods have achieved great milestones in medical image segmentation tasks due to their incredible semantic…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Chengxi Zeng , Xinyu Yang , David Smithard , Majid Mirmehdi , Alberto M Gambaruto , Tilo Burghardt

To date, endovascular surgeries are performed using the golden standard of Fluoroscopy, which uses ionising radiation to visualise catheters and vasculature. Prolonged Fluoroscopic exposure is harmful for the patient and the clinician, and…

图像与视频处理 · 电气工程与系统科学 2023-09-27 Alex Ranne , Yordanka Velikova , Nassir Navab , Ferdinando Rodriguez y Baena

Purpose: Developing and testing a framework that integrates real-time catheter shape reconstruction, interactive simulations, and mixed reality visualization to enable accurate monitoring of catheter-vessel interactions during endovascular…

Accurate segmentation of medical images into anatomically meaningful regions is critical for the extraction of quantitative indices or biomarkers. The common pipeline for segmentation comprises regions of interest detection stage and…

计算机视觉与模式识别 · 计算机科学 2021-06-18 Ghada Zamzmi , Vandana Sachdev , Sameer Antani

The increase of available large clinical and experimental datasets has contributed to a substantial amount of important contributions in the area of biomedical image analysis. Image segmentation, which is crucial for any quantitative…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Nikhil Kumar Tomar , Debesh Jha , Michael A. Riegler , Håvard D. Johansen , Dag Johansen , Jens Rittscher , Pål Halvorsen , Sharib Ali

The real-time segmentation of surgical instruments plays a crucial role in robot-assisted surgery. However, it is still a challenging task to implement deep learning models to do real-time segmentation for surgical instruments due to their…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Zhen-Liang Ni , Gui-Bin Bian , Zeng-Guang Hou , Xiao-Hu Zhou , Xiao-Liang Xie , Zhen Li

In this work we present a novel end-to-end framework for tracking and classifying a robot's surroundings in complex, dynamic and only partially observable real-world environments. The approach deploys a recurrent neural network to filter an…

机器学习 · 计算机科学 2016-04-20 Peter Ondruska , Julie Dequaire , Dominic Zeng Wang , Ingmar Posner

Catheter segmentation in 3D ultrasound is important for computer-assisted cardiac intervention. However, a large amount of labeled images are required to train a successful deep convolutional neural network (CNN) to segment the catheter,…

图像与视频处理 · 电气工程与系统科学 2020-06-29 Hongxu Yang , Caifeng Shan , Alexander F. Kolen , Peter H. N. de With

Robot-assisted surgery is an emerging technology which has undergone rapid growth with the development of robotics and imaging systems. Innovations in vision, haptics and accurate movements of robot arms have enabled surgeons to perform…

计算机视觉与模式识别 · 计算机科学 2020-10-01 Mobarakol Islam , Daniel A. Atputharuban , Ravikiran Ramesh , Hongliang Ren

Diseases such as diabetic retinopathy and age-related macular degeneration pose a significant risk to vision, highlighting the importance of precise segmentation of retinal vessels for the tracking and diagnosis of progression. However,…

图像与视频处理 · 电气工程与系统科学 2023-09-08 Tariq M. Khan , Muhammad Arsalan , Shahzaib Iqbal , Imran Razzak , Erik Meijering

Segmentation is a fundamental task in medical image analysis. However, most existing methods focus on primary region extraction and ignore edge information, which is useful for obtaining accurate segmentation. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2019-07-26 Zhijie Zhang , Huazhu Fu , Hang Dai , Jianbing Shen , Yanwei Pang , Ling Shao
‹ 上一页 1 2 3 10 下一页 ›