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Virtual orthognathic surgical planning involves simulating surgical corrections of jaw deformities on 3D facial bony shape models. Due to the lack of necessary guidance, the planning procedure is highly experience-dependent and the planning…

Radiation therapy is an effective and widely accepted form of treatment for many types of cancer that requires extensive computerized planning. Unfortunately, current treatment planning systems have limited or no visual aid that combines…

图形学 · 计算机科学 2018-11-30 Felix G. Hamza-Lup , Ivan Sopin , Omar Zeidan

Three-dimensional models of craniofacial variation over the general population are useful for assessing pre- and post-operative head shape when treating various craniofacial conditions, such as craniosynostosis. We present a new method of…

计算机视觉与模式识别 · 计算机科学 2016-01-22 Nick Pears , Christian Duncan

In the orthognathic surgery, dental splints are important and necessary to help the surgeon reposition the maxilla or mandible. However, the traditional methods of manual design of dental splints are difficult and time-consuming. The…

医学物理 · 物理学 2017-03-28 Xiaojun Chen , Xing Li , Lu Xu , Yi Sun , Constantinus Politis , Jan Egger

Patients take care of what their teeth will be like after the orthodontics. Orthodontists usually describe the expectation movement based on the original smile images, which is unconvincing. The growth of deep-learning generative models…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Feihong Shen , JIngjing Liu , Jianwen Lou , Haizhen Li , Bing Fang , Chenglong Ma , Jin Hao , Yang Feng , Youyi Zheng

The medical image analysis field has traditionally been focused on the development of organ-, and disease-specific methods. Recently, the interest in the development of more 20 comprehensive computational anatomical models has grown,…

3D modeling is becoming a well-developed field of medicine, but its applicability can be limited due to the lack of software allowing for easy utilizations of generated 3D visualizations. By leveraging recent advances in virtual reality, we…

人机交互 · 计算机科学 2020-12-07 Alex J. Deakyne , Erik N. Gaasedelen , Tinen L. Iles , Paul A. Iaizzo

Computational simulations using methods such as the finite element (FE) method rely on high-quality meshes for achieving accurate results. This study introduces a method for creating a high-quality hexahedral mesh using the Open Anatomy…

计算工程、金融与科学 · 计算机科学 2024-02-23 Andy Trung Huynh , Benjamin Zwick , Michael Halle , Adam Wittek , Karol Miller

Trimming is a core technique in geometric modeling. Unfortunately, the resulting objects do not take the requirements of numerical simulations into account and yield various problems. This paper outlines principal issues of trimmed models…

图形学 · 计算机科学 2019-02-05 Benjamin Marussig

This paper introduces a multimodal elastic registration algorithm applied to match a generic Finite Element model of the face to several patients morphologies. The method is automatic and appears to be accurate and robust. The computing…

医学物理 · 物理学 2007-05-23 Thierry Leloup , Matthieu Chabanas , Yohan Payan

Cranial implant design is a challenging task, whose accuracy is crucial in the context of cranioplasty procedures. This task is usually performed manually by experts using computer-assisted design software. In this work, we propose and…

图像与视频处理 · 电气工程与系统科学 2020-09-30 Franco Matzkin , Virginia Newcombe , Ben Glocker , Enzo Ferrante

Craniosynostosis is a medical condition that affects the growth of babies' heads, caused by an early fusion of cranial sutures. In recent decades, surgical treatments for craniosynostosis have significantly improved, leading to reduced…

Image representation is an important topic in computer vision and pattern recognition. It plays a fundamental role in a range of applications towards understanding visual contents. Moment-based image representation has been reported to be…

计算机视觉与模式识别 · 计算机科学 2021-11-25 Shuren Qi , Yushu Zhang , Chao Wang , Jiantao Zhou , Xiaochun Cao

This chapter aims at introducing and discussing the techniques for the generation of 3D Finite Element Meshes of human organs. The field of computer assisted surgery is more specifically addressed.

医学物理 · 物理学 2009-11-20 Claudio Lobos , Yohan Payan , Nancy Hitschfeld

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

Computational biomechanics of the brain for neurosurgery is an emerging area of research recently gaining in importance and practical applications. This review paper presents the contributions of the Intelligent Systems for Medicine…

计算工程、金融与科学 · 计算机科学 2019-04-03 K. Miller , G. R. Joldes , G. Bourantas , S. K. Warfield , D. E. Hyde , R. Kikinis , A. Wittek

Craniofacial anomalies indicate early developmental disturbances and are usually linked to many genetic syndromes. Early diagnosis is critical, yet ultrasound (US) examinations often fail to identify these features. This study presents an…

图像与视频处理 · 电气工程与系统科学 2024-09-05 Antonia Alomar , Ricardo Rubio , Laura Salort , Gerard Albaiges , Antoni Payà , Gemma Piella , Federico Sukno

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

In this paper, we present a computer-assisted method for facial reconstruction. This method provides an estimation of the facial shape associated with unidentified skeletal remains. Current computer-assisted methods using a statistical…

机器学习 · 计算机科学 2012-02-15 Maxime Berar , Françoise Tilotta , Joan Alexis Glaunès , Yves Rozenholc

The objective of this paper is to significantly reduce the manual workload required from medical professionals in complex 3D segmentation tasks that cannot be yet fully automated. For instance, in radiotherapy planning, organs at risk must…