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相关论文: Robust Landmark-based Stent Tracking in X-ray Fluo…

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Purpose: Semantic segmentation and landmark detection are fundamental tasks of medical image processing, facilitating further analysis of anatomical objects. Although deep learning-based pixel-wise classification has set a…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Ron Keuth , Lasse Hansen , Maren Balks , Ronja Jäger , Anne-Nele Schröder , Ludger Tüshaus , Mattias Heinrich

This study proposed a deep learning-based tracking method for ultrasound (US) image-guided radiation therapy. The proposed cascade deep learning model is composed of an attention network, a mask region-based convolutional neural network…

计算机视觉与模式识别 · 计算机科学 2023-02-15 Yupei Zhang , Xianjin Dai , Zhen Tian , Yang Lei , Jacob F. Wynne , Pretesh Patel , Yue Chen , Tian Liu , Xiaofeng Yang

Valve annuli motion and morphology, measured from non-invasive imaging, can be used to gain a better understanding of healthy and pathological heart function. Measurements such as long-axis strain as well as peak strain rates provide…

图像与视频处理 · 电气工程与系统科学 2020-10-26 Eric Kerfoot , Carlos Escudero King , Tefvik Ismail , David Nordsletten , Renee Miller

The alarmingly high mortality rate and increasing global prevalence of cardiovascular diseases signify the crucial need for early detection schemes. Phonocardiogram (PCG) signals have been historically applied in this domain owing to its…

音频与语音处理 · 电气工程与系统科学 2021-03-09 Samiul Based Shuvo , Shams Nafisa Ali , Soham Irtiza Swapnil , Mabrook S. Al-Rakhami , Abdu Gumaei

The accurate tracking of live cells using video microscopy recordings remains a challenging task for popular state-of-the-art image processing based object tracking methods. In recent years, several existing and new applications have…

图像与视频处理 · 电气工程与系统科学 2025-02-03 Gergely Szabó , Paolo Bonaiuti , Andrea Ciliberto , András Horváth

Robot-assisted deployment of fenestrated stent grafts in Fenestrated Endovascular Aortic Repair (FEVAR) requires accurate geometrical alignment. Currently, this process is guided by 2D fluoroscopy, which is uninformative and error prone. In…

机器人学 · 计算机科学 2018-09-12 Xiao-Yun Zhou , Jianyu Lin , Celia Riga , Guang-Zhong Yang , Su-Lin Lee

Fast and accurate anatomical landmark detection can benefit many medical image analysis methods. Here, we propose a method to automatically detect anatomical landmarks in medical images. Automatic landmark detection is performed with a…

计算机视觉与模式识别 · 计算机科学 2018-04-16 Julia M. H. Noothout , Bob D. de Vos , Jelmer M. Wolterink , Tim Leiner , Ivana Išgum

Purpose: Tissue tracking is critical for downstream tasks in robot-assisted surgery. The Sparse Efficient Neural Depth and Deformation (SENDD) model has previously demonstrated accurate and real-time sparse point tracking, but struggled…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Yuxin Chen , Zijian Wu , Adam Schmidt , Septimiu E. Salcudean

Tracking cells in time-lapse videos is an essential technique for monitoring cell population dynamics at a single-cell level. Current methods for cell tracking are developed on videos with mostly single, constant signals and do not detect…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Florian Bürger , Martim Dias Gomes , Nica Gutu , Adrián E. Granada , Noémie Moreau , Katarzyna Bozek

In this paper, we tackle the challenge of instance segmentation for foreign objects in chest radiographs, commonly seen in postoperative follow-ups with stents, pacemakers, or ingested objects in children. The diversity of foreign objects…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Constantin Seibold , Hamza Kalisch , Lukas Heine , Simon Reiß , Jens Kleesiek

Tissue tracking in echocardiography is challenging due to the complex cardiac motion and the inherent nature of ultrasound acquisitions. Although optical flow methods are considered state-of-the-art (SOTA), they struggle with long-range…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Md Abulkalam Azad , Artem Chernyshov , John Nyberg , Ingrid Tveten , Lasse Lovstakken , Håvard Dalen , Bjørnar Grenne , Andreas Østvik

Purpose: In conventional fluoroscopy-guided interventions, the 2D projective nature of X-ray imaging limits depth perception and leads to prolonged radiation exposure. Virtual fluoroscopy, combined with spatially tracked surgical…

图像与视频处理 · 电气工程与系统科学 2025-05-22 Shuwei Xing , Inaara Ahmed-Fazal , Utsav Pardasani , Uditha Jayarathne , Scott Illsley , Aaron Fenster , Terry M. Peters , Elvis C. S. Chen

Accurate segmentation of coronary arteries remains a significant challenge in clinical practice, hindering the ability to effectively diagnose and manage coronary artery disease. The lack of large, annotated datasets for model training…

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…

Machine learning-based approaches outperform competing methods in most disciplines relevant to diagnostic radiology. Interventional radiology, however, has not yet benefited substantially from the advent of deep learning, in particular…

The identification of vascular networks is an important topic in the medical image analysis community. While most methods focus on single vessel tracking, the few solutions that exist for tracking complete vascular networks are usually…

计算机视觉与模式识别 · 计算机科学 2017-06-09 Dario Augusto Borges Oliveira , Laura Leal-Taixe , Raul Queiroz Feitosa , Bodo Rosenhahn

Objective: Interventional devices, catheters and insertable imaging devices such as transesophageal echo (TOE) probes are routinely used in minimally invasive cardiovascular procedures. Detecting their positions and orientations in X-ray…

图像与视频处理 · 电气工程与系统科学 2025-03-11 YingLiang Ma , Sandra Howell , Aldo Rinaldi , Tarv Dhanjal , Kawal S. Rhode

Fast and accurate eye tracking in a virtual reality or augmented reality headset could lead to better display performance and enable novel methods of user interaction with the system. However, it remains a challenge for a system to combine…

Computed Tomography Angiography is a key modality providing insights into the cerebrovascular vessel tree that are crucial for the diagnosis and treatment of ischemic strokes, in particular in cases of large vessel occlusions (LVO). Thus,…

图像与视频处理 · 电气工程与系统科学 2022-05-06 Florian Thamm , Oliver Taubmann , Markus Jürgens , Hendrik Ditt , Andreas Maier

Deep learning for clinical applications is subject to stringent performance requirements, which raises a need for large labeled datasets. However, the enormous cost of labeling medical data makes this challenging. In this paper, we build a…

计算机视觉与模式识别 · 计算机科学 2018-09-11 Weicheng Kuo , Christian Häne , Esther Yuh , Pratik Mukherjee , Jitendra Malik