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An accurate detection and tracking of devices such as guiding catheters in live X-ray image acquisitions is an essential prerequisite for endovascular cardiac interventions. This information is leveraged for procedural guidance, e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 Saahil Islam , Venkatesh N. Murthy , Dominik Neumann , Badhan Kumar Das , Puneet Sharma , Andreas Maier , Dorin Comaniciu , Florin C. Ghesu

Surgical image segmentation is essential for robot-assisted surgery and intraoperative guidance. However, existing methods are constrained to predefined categories, produce one-shot predictions without adaptive refinement, and lack…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Ange Lou , Yamin Li , Qi Chang , Nan Xi , Luyuan Xie , Zichao Li , Tianyu Luan

Although deep neural networks have been a dominant method for many 2D vision tasks, it is still challenging to apply them to 3D tasks, such as medical image segmentation, due to the limited amount of annotated 3D data and limited…

Computer Vision and Pattern Recognition · Computer Science 2020-11-02 Yingwei Li , Zhuotun Zhu , Yuyin Zhou , Yingda Xia , Wei Shen , Elliot K. Fishman , Alan L. Yuille

Text guided 3D medical image segmentation offers a flexible alternative to class based and spatial prompt based models by allowing users to specify regions of interest directly in natural language. This paradigm avoids reliance on…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Yu Xin , Gorkem Can Ates , Jun Ma , Sumin Kim , Ying Zhang , Kaleb E Smith , Kuang Gong , Wei Shao

We present TRACE, a mesh-guided 3DGS editing framework that achieves automated, high-fidelity scene transformation. By anchoring video diffusion with explicit 3D geometry, TRACE uniquely enables fine-grained, part-level manipulatio--such as…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Jiyuan Hu , Zechuan Zhang , Zongxin Yang , Yi Yang

Analyzing CT scans, MRIs and X-rays is pivotal in diagnosing and treating diseases. However, detecting and identifying abnormalities from such medical images is a time-intensive process that requires expert analysis and is prone to…

Image and Video Processing · Electrical Eng. & Systems 2025-03-14 Daniel Syomichev , Padmini Gopinath , Guang-Lin Wei , Eric Chang , Ian Gordon , Amanuel Seifu , Rahul Pemmaraju , Neehar Peri , James Purtilo

3D pose estimation from sparse multi-views is a critical task for numerous applications, including action recognition, sports analysis, and human-robot interaction. Optimization-based methods typically follow a two-stage pipeline, first…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Tony Danjun Wang , Tolga Birdal , Nassir Navab , Lennart Bastian

Deep learning based pipelines for semantic segmentation often ignore structural information available on annotated images used for training. We propose a novel post-processing module enforcing structural knowledge about the objects of…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Jérémy Chopin , Jean-Baptiste Fasquel , Harold Mouchère , Rozenn Dahyot , Isabelle Bloch

Interactive image segmentation enables users to interact minimally with a machine, facilitating the gradual refinement of the segmentation mask for a target of interest. Previous studies have demonstrated impressive performance in…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Kun Li , Hao Cheng , George Vosselman , Michael Ying Yang

Background: Conventional cardiovascular magnetic resonance (CMR) in paediatric and congenital heart disease uses 2D, breath-hold, balanced steady state free precession (bSSFP) cine imaging for assessment of function and cardiac-gated,…

Image and Video Processing · Electrical Eng. & Systems 2025-07-01 Mark Wrobel , Michele Pascale , Tina Yao , Ruaraidh Campbell , Elena Milano , Michael Quail , Jennifer Steeden , Vivek Muthurangu

Image segmentation is a complex mathematical problem, especially for images that contain intensity inhomogeneity and tightly packed objects with missing boundaries in between. For instance, Magnetic Resonance (MR) muscle images often…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Paramjyoti Mohapatra , Richard Lartey , Weihong Guo , Michael Judkovich , Xiaojuan Li

Automatically identifying the structural substrates underlying cardiac abnormalities can potentially provide real-time guidance for interventional procedures. With the knowledge of cardiac tissue substrates, the treatment of complex…

Image and Video Processing · Electrical Eng. & Systems 2022-06-10 Ziyi Huang , Yu Gan , Theresa Lye , Yanchen Liu , Haofeng Zhang , Andrew Laine , Elsa Angelini , Christine Hendon

Radiofrequency catheter ablation (RFCA) is an effective treatment for cardiac arrhythmias. Although generally safe, it is not completely exempt from the risk of complications. The great flexibility of computational models can be a major…

Numerical Analysis · Mathematics 2019-10-25 Argyrios Petras , Massimiliano Leoni , Jose M. Guerra , Johan Jansson , Luca Gerardo-Giorda

The segmentation module which precisely outlines the nodules is a crucial step in a computer-aided diagnosis(CAD) system. The most challenging part of such a module is how to achieve high accuracy of the segmentation, especially for the…

Image and Video Processing · Electrical Eng. & Systems 2022-02-09 Xinliang Fu , Jiayin Zheng , Juanyun Mai , Yanbo Shao , Minghao Wang , Linyu Li , Zhaoqi Diao , Yulong Chen , Jianyu Xiao , Jian You , Airu Yin , Yang Yang , Xiangcheng Qiu , Jinsheng Tao , Bo Wang , Hua Ji

Cardiac MR image segmentation is essential for the morphological and functional analysis of the heart. Inspired by how experienced clinicians assess the cardiac morphology and function across multiple standard views (i.e. long- and…

Image and Video Processing · Electrical Eng. & Systems 2019-12-18 Chen Chen , Carlo Biffi , Giacomo Tarroni , Steffen Petersen , Wenjia Bai , Daniel Rueckert

Heart is one of the vital organs of human body. A minor dysfunction of heart even for a short time interval can be fatal, therefore, efficient monitoring of its physiological state is essential for the patients with cardiovascular diseases.…

Image and Video Processing · Electrical Eng. & Systems 2019-11-22 Shakeel Muhammad Ibrahim , Muhammad Sohail Ibrahim , Muhammad Usman , Imran Naseem , Muhammad Moinuddin

Efficient automatic segmentation of multi-level (i.e. main and branch) pulmonary arteries (PA) in CTPA images plays a significant role in clinical applications. However, most existing methods concentrate only on main PA or branch PA…

Quantification of cardiac biomarkers from cine cardiovascular magnetic resonance (CMR) data using deep learning (DL) methods offers many advantages, such as increased accuracy and faster analysis. However, only a few studies have focused on…

Quantitative Methods · Quantitative Biology 2024-08-22 Dewmini Hasara Wickremasinghe , Yiyang Xu , Esther Puyol-Antón , Paul Aljabar , Reza Razavi , Andrew P. King

We propose a novel approach that uses sparse annotations from clinical studies to train a 3D segmentation of the carotid artery wall. We use a centerline annotation to sample perpendicular cross-sections of the carotid artery and use an…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Hinrich Rahlfs , Markus Hüllebrand , Sebastian Schmitter , Christoph Strecker , Andreas Harloff , Anja Hennemuth

We propose a novel guided interactive segmentation (GIS) algorithm for video objects to improve the segmentation accuracy and reduce the interaction time. First, we design the reliability-based attention module to analyze the reliability of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-22 Yuk Heo , Yeong Jun Koh , Chang-Su Kim