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相关论文: Open Meshed Anatomy: Towards a comprehensive finit…

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Numerical simulations rely on constructing accurate and detailed models to produce reliable results - a task that is often challenging. This task becomes notably more difficult when the model is of the human brain. We create an anatomically…

计算工程、金融与科学 · 计算机科学 2024-10-11 Andy Huynh , Benjamin Zwick , Mostafa Jamshidian , Michael Halle , Adam Wittek , Karol Miller

Creating tetrahedral meshes with anatomically accurate surfaces is critically important for a wide range of model-based neuroimaging modalities. However, computationally efficient brain meshing algorithms and software are greatly lacking.…

医学物理 · 物理学 2017-08-31 Anh Phong Tran , Qianqian Fang

This paper introduces a highly adaptive and automated approach for generating Finite Element (FE) discretization for a given realistic multi-compartment human head model obtained through magnetic resonance imaging (MRI) dataset. We aim at…

偏微分方程分析 · 数学 2023-07-17 Fernando Galaz Prieto , Joonas Lahtinen , Maryam Samavaki , Sampsa Pursiainen

Source analysis of Electroencephalography (EEG) data requires the computation of the scalp potential induced by current sources in the brain. This so-called EEG forward problem is based on an accurate estimation of the volume conduction…

This paper addresses an important issue raised for the clinical relevance of Computer-Assisted Surgical applications, namely the methodology used to automatically build patient-specific Finite Element (FE) models of anatomical structures.…

医学物理 · 物理学 2007-05-23 Vincent Luboz , Matthieu Chabanas , Pascal Swider , Yohan Payan

This paper introduces the methodology proposed by our group to model the biological soft tissues deformations and to couple these models with Computer-Assisted Surgical (CAS) applications. After designing CAS protocols that mainly focused…

Developing computational models of the human jaw acquired from cone-beam computed tomography (CBCT) scans is time-consuming and labor-intensive. Besides, a quantitative comparison is not attainable in the literature due to the involved…

This paper proposes a computer-assisted system for the surgical treatment of exophthalmia. This treatment is classically characterized by a de-compression of the orbit, by the mean of an orbital walls osteotomy. The plan-ning of this…

医学物理 · 物理学 2007-05-23 Vincent Luboz , Annaig Pedrono , Franck Boutault , Pascal Swider , Yohan Payan

In this paper, we address the problem of automatic mesh generation for finite elements modeling of anatomical organs for which a volumetric data set is available. In the first step a set of characteristic outlines of the organ is defined…

医学物理 · 物理学 2007-05-23 Marek Bucki , Yohan Payan

Several authors have employed Finite Element Analysis (FEA) for stress and strain analysis in orthopaedic biomechanics. Unfortunately, the use of three-dimensional models is time consuming and consequently the number of analysis to be…

医学物理 · 物理学 2016-08-16 Béatrice Couteau , Yohan Payan , Stéphane Lavallee

Neurosurgery interventions involve complex tracking systems because a tissue deformation takesplace. The neuronavigation system relies only on preoperative images. In order to overcome the soft tissue deformations and guarantee the accuracy…

医学物理 · 物理学 2007-10-03 Claudio Lobos , Marek Bucki , Yohan Payan , Nancy Hitschfeld

The finite element method (FEM) is a well-established numerical method for solving partial differential equations (PDEs). However, its mesh-based nature gives rise to substantial computational costs, especially for complex multiscale…

计算工程、金融与科学 · 计算机科学 2025-06-24 Weihang Ouyang , Yeonjong Shin , Si-Wei Liu , Lu Lu

Computational modelling offers a cost-effective and time-efficient alternative to experimental studies in biomedical engineering. In cardiac electro-mechanics, finite element method (FEM)-based simulations provide valuable insights into…

计算工程、金融与科学 · 计算机科学 2025-08-20 Tan Tran , Denisa Martonova , Sigrid Leyendecker

Developing personalized computational models of the human brain remains a challenge for patient-specific clinical applications and neuroscience research. Efficient and accurate biophysical simulations rely on high-quality personalized…

计算工程、金融与科学 · 计算机科学 2025-03-04 Andy Huynh , Benjamin Zwick , Michael Halle , Adam Wittek , Karol Miller

Adult spine deformity (ASD) is prevalent and leads to a sagittal misalignment in the vertebral column. Computational methods, including Finite Element (FE) Models, have emerged as valuable tools for investigating the causes and treatment of…

Computational biomechanics models of the brain have become an important tool for investigating the brain responses to mechanical loads. The geometry, loading conditions, and constitutive properties of such brain models are well-studied and…

计算工程、金融与科学 · 计算机科学 2025-12-10 Sajjad Arzemanzadeh , Benjamin Zwick , Karol Miller , Tim Rosenow , Stuart I. Hodgetts , Adam Wittek

The aim of this paper is to develop a multiscale hierarchical hybrid model based on finite element analysis and neural network computation to link mesoscopic scale (trabecular network level) and macroscopic (whole bone level) to simulate…

医学物理 · 物理学 2011-07-20 Ridha Hambli , Abdelwahed Barkaoui

Computational fluid dynamics (CFD) simulation provides valuable information on blood flow from the vascular geometry. However, it requires extracting precise models of arteries from low-resolution medical images, which remains challenging.…

计算几何 · 计算机科学 2023-06-14 Méghane Decroocq , Carole Frindel , Pierre Rougé , Makoto Ohta , Guillaume Lavoué

This paper presents FeTal-SAM, a novel adaptation of the Segment Anything Model (SAM) tailored for fetal brain MRI segmentation. Traditional deep learning methods often require large annotated datasets for a fixed set of labels, making them…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Qi Zeng , Weide Liu , Bo Li , Ryne Didier , P. Ellen Grant , Davood Karimi

Fetal Magnetic Resonance Imaging (MRI) is used in prenatal diagnosis and to assess early brain development. Accurate segmentation of the different brain tissues is a vital step in several brain analysis tasks, such as cortical surface…

图像与视频处理 · 电气工程与系统科学 2022-05-18 Liu Li , Qiang Ma , Matthew Sinclair , Antonios Makropoulos , Joseph Hajnal , A. David Edwards , Bernhard Kainz , Daniel Rueckert , Amir Alansary
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