Medical Imaging and Augmented Reality
Third International Workshop, Shanghai, China, August 17-18, 2006 Proceedings
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21 Result(s)
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Lixu Gu
Imaging / Radiology
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Article
Exhaustive matching of 3D/2D coronary artery structure based on imperfect segmentations
The 3D/2D coronary artery registration technique has been developed for the guidance of the percutaneous coronary intervention. It introduces the absent 3D structural information by fusing the pre-operative co...
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Article
Design, development and evaluation of an ergonomically designed dual-use mechanism for robot-assisted cardiovascular intervention
Robot-assisted cardiovascular intervention has been recently developed, which enables interventionists to avoid x-ray radiation and improve their comfort. However, there are still some challenges in the roboti...
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Article
A statistical weighted sparse-based local lung motion modelling approach for model-driven lung biopsy
Lung biopsy is currently the most effective procedure for cancer diagnosis. However, respiration-induced location uncertainty presents a challenge in precise lung biopsy. To reduce the medical image requiremen...
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Article
A novel robotic system for vascular intervention: principles, performances, and applications
This paper describes the design, principles, performances, and applications of a novel image-guided master–slave robotic system for vascular intervention (VI), including the performance evaluation and in vivo ...
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Article
Myocardium segmentation from DE MRI with guided random walks and sparse shape representation
For patients with myocardial infarction (MI), delayed enhancement (DE) cardiovascular magnetic resonance imaging (MRI) is a sensitive and well-validated technique for the detection and visualization of MI. The...
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Article
Blood flow-induced physically based guidewire simulation for vascular intervention training
A realistic guidewire behavior simulation is a vital component of a virtual vascular intervention system. Such systems are a safe, low-cost means of establishing a training environment to help inexperienced su...
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Article
BEM-based simulation of lung respiratory deformation for CT-guided biopsy
Accurate and real-time prediction of the lung and lung tumor deformation during respiration are important considerations when performing a peripheral biopsy procedure. However, most existing work focused on of...
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Article
Real-time aortic valve segmentation from transesophageal echocardiography sequence
Geometric features of the aortic valve play an important role in many applications, such as the clinical diagnostics, shape modeling and image-guided cardiac interventions, especially for the transcatheter ao...
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Article
A pilot study on magnetic navigation for transcatheter aortic valve implantation using dynamic aortic model and US image guidance
Purpose In this paper, we propose a pilot study for transcatheter aortic valve implantation guided by an augmented magnetic tracking system (MTS) with a dynamic aortic model and intra-operative...
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Article
Validation and prediction of traditional Chinese physical operation on spinal disease using multiple deformation models
Traditional Chinese medical massage is a physical manipulation that achieves satisfactory results on spinal diseases, according to its advocates. However, the method relies on an expert’s experience. Accurate ...
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Chapter and Conference Paper
A Point-Based Simulation Framework for Minimally Invasive Surgery
In this paper, we present a physically-based simulation framework to build up real-time Minimally invasive surgery (MIS) simulators using point-based techniques. In our framework, simulations of organ contacts...
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Chapter and Conference Paper
A Novel Level Set Based Shape Prior Method for Liver Segmentation from MRI Images
Liver segmentation in MR Image is the first step of our automated liver perfusion analysis project. Traditional Level Set methods and active contours were often used to segment the liver, but the results were ...
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Chapter and Conference Paper
Non-rigid 2D-3D Registration Based on Support Vector Regression Estimated Similarity Metric
In this paper, we proposed a novel non-rigid 2D-3D registration framework, which is based on Support Vector Regression (SVR) to compensate the disadvantages of generating large amounts of Digitally Rendered Ra...
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Article
3D Segmentation of Medical Images Using a Fast Multistage Hybrid Algorithm
In this paper, we propose a fast multistage hybrid algorithm for 3D segmentation of medical images. We first employ a morphological recursive erosion operation to reduce the connectivity between the object to ...
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Book and Conference Proceedings
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Chapter and Conference Paper
Real-Time Simulation for Global Deformation of Soft Tissue Using Deformable Centerline and Medial Representation
Real-time simulation for global deformation of soft tissue, using Mass-Spring or traditional finite element method (FEM), is difficult because of the following reasons: (1) The linear elastic model is inapprop...
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Chapter and Conference Paper
A Novel Liver Perfusion Analysis Based on Active Contours and Chamfer Matching
Liver Perfusion gives important information about blood supply of liver. However, in daily clinical diagnosis, radiologists have to manually mark the perfusion position in time-sequence images due to the motio...
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Chapter and Conference Paper
The Framework for Real-Time Simulation of Deformable Soft-Tissue Using a Hybrid Elastic Model
In this paper, we present a novel approach for real-time simulation of deformable soft-tissue. The framework includes segmentation of medical data, physical and mathematical modeling, performance optimization ...
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Chapter and Conference Paper
Real-Time Simulation of Deformable Soft Tissue Based on Mass-Spring and Medial Representation
In this paper, we present a novel deformable model for soft tissue simulation in a real-time manner. The innovative model consists of two sub-models: the surface one and the internal one, which are based on Ma...
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Chapter and Conference Paper
Dynamic Heart Modeling Based on a Hybrid 3D Segmentation Approach
A hybrid 3D segmentation approach is proposed in this paper to perform a physical beating heart modeling from dynamic CT images. A Morphological Recursive Erosion operation is firstly employed to reduce the co...
