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Statistical models of the human body surface are generally learned from thousands of high-quality 3D scans in predefined poses to cover the wide variety of human body shapes and articulations. Acquisition of such data requires expensive…

计算机视觉与模式识别 · 计算机科学 2018-10-18 Nikolas Hesse , Sergi Pujades , Michael J. Black , Michael Arens , Ulrich G. Hofmann , A. Sebastian Schroeder

Segment Anything Model (SAM) is one of the pioneering prompt-based foundation models for image segmentation and has been rapidly adopted for various medical imaging applications. However, in clinical settings, creating effective prompts is…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Chengyin Li , Prashant Khanduri , Yao Qiang , Rafi Ibn Sultan , Indrin Chetty , Dongxiao Zhu

Sleep behaviour and in-bed movements contain rich information on the neurophysiological health of people, and have a direct link to the general well-being and quality of life. Standard clinical practices rely on polysomnography for sleep…

信号处理 · 电气工程与系统科学 2023-01-10 Omar Elnaggar , Roselina Arelhi , Frans Coenen , Andrew Hopkinson , Lyndon Mason , Paolo Paoletti

The vertebral levels of the spine provide a useful coordinate system when making measurements of plaque, muscle, fat, and bone mineral density. Correctly classifying vertebral levels with high accuracy is challenging due to the similar…

图像与视频处理 · 电气工程与系统科学 2020-10-08 Daniel C. Elton , Veit Sandfort , Perry J. Pickhardt , Ronald M. Summers

Engineering simulations using boundary-value partial differential equations often implicitly assume that the uncertainty in the location of the boundary has a negligible impact on the output of the simulation. In this work, we develop a…

组织与器官 · 定量生物学 2024-06-11 S. Gerry Gralton , Farah Alkhatib , Ben Zwick , George Bourantas , Adam Wittek , Karol Miller

This paper presents a novel online capable method for simultaneous estimation of human motion in terms of segment orientations and positions along with sensor-to-segment calibration parameters from inertial sensors attached to the body. In…

系统与控制 · 计算机科学 2016-06-14 Bertram Taetz , Gabriele Bleser , Markus Miezal

It is well known that machine learning models require a high amount of annotated data to obtain optimal performance. Labelling Computed Tomography (CT) data can be a particularly challenging task due to its volumetric nature and often…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Franko Hrzic , Mohammadreza Movahhedi , Ophelie Lavoie-Gagne , Ata Kiapour

For the task of mobility analysis of 3D shapes, we propose joint analysis for simultaneous motion part segmentation and motion attribute estimation, taking a single 3D model as input. The problem is significantly different from those…

计算机视觉与模式识别 · 计算机科学 2019-03-13 Xiaogang Wang , Bin Zhou , Yahao Shi , Xiaowu Chen , Qinping Zhao , Kai Xu

Medical image segmentation is a critical component in clinical practice, facilitating accurate diagnosis, treatment planning, and disease monitoring. However, existing methods, often tailored to specific modalities or disease types, lack…

图像与视频处理 · 电气工程与系统科学 2024-04-02 Jun Ma , Yuting He , Feifei Li , Lin Han , Chenyu You , Bo Wang

Monitoring maternal and fetal health during pregnancy is crucial for preventing adverse outcomes. While tests such as ultrasound scans offer high accuracy, they can be costly and inconvenient. Telehealth and more accessible body shape…

Medical image segmentation is a key task in the imaging workflow, influencing many image-based decisions. Traditional, fully-supervised segmentation models rely on large amounts of labeled training data, typically obtained through manual…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Tyler Ward , Abdullah-Al-Zubaer Imran

Modeling and control of the human musculoskeletal system is important for understanding human motor functions, developing embodied intelligence, and optimizing human-robot interaction systems. However, current human musculoskeletal models…

人工智能 · 计算机科学 2024-12-30 Chenhui Zuo , Kaibo He , Jing Shao , Yanan Sui

Existing digital human models approximate the human skeletal system using rigid bodies connected by rotational joints. While the simplification is considered acceptable for legs and arms, it significantly lacks fidelity to model rich torso…

图形学 · 计算机科学 2023-05-10 Seunghwan Lee , Yifeng Jiang , C. Karen Liu

The Segment Anything Model (SAM), originally built on a 2D Vision Transformer (ViT), excels at capturing global patterns in 2D natural images but struggles with 3D medical imaging modalities like CT and MRI. These modalities require…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Xiang Gao , Kai Lu

Machine learning-based segmentation in medical imaging is widely used in clinical applications from diagnostics to radiotherapy treatment planning. Segmented medical images with ground truth are useful for investigating the properties of…

图像与视频处理 · 电气工程与系统科学 2023-01-02 Shuyue Guan , Ravi K. Samala , Weijie Chen

The increasing prevalence of diet-related chronic diseases coupled with the ineffectiveness of traditional diet management methods have resulted in a need for novel tools to accurately and automatically assess meals. Recently, computer…

计算机视觉与模式识别 · 计算机科学 2017-01-13 Joachim Dehais , Marios Anthimopoulos , Sergey Shevchik , Stavroula Mougiakakou

Purpose: To develop and validate a computer tool for automatic and simultaneous segmentation of body composition depicted on computed tomography (CT) scans for the following tissues: visceral adipose (VAT), subcutaneous adipose (SAT),…

图像与视频处理 · 电气工程与系统科学 2021-12-17 Lucy Pu , Syed F. Ashraf , Naciye S Gezer , Iclal Ocak , Rajeev Dhupar

Three-dimensional (3D) ultrasound imaging can overcome the limitations of conventional two dimensional (2D) ultrasound imaging in structural observation and measurement. However, conducting volumetric ultrasound imaging for large-sized…

图像与视频处理 · 电气工程与系统科学 2024-12-03 Caozhe Li , Enxiang Shen , Haoyang Wang , Yuxin Wang , Jie Yuan , Li Gong , Di Zhao , Weijing Zhang , Zhibin Jin

In the present work, irregular complex joints of the human arm are modelled in the computer-aided design environment. Accurately the geometric models of the joints and surrounding bony regions are developed from computed tomography data set…

组织与器官 · 定量生物学 2018-07-11 Amit Kumar Bedaka , Ponnusamy Pandithevan

Accurate human motion prediction is crucial for safe human-robot collaboration but remains challenging due to the complexity of modeling intricate and variable human movements. This paper presents Parallel Multi-scale Incremental Prediction…

机器人学 · 计算机科学 2024-12-17 Juncheng Zou