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Kinect skeleton tracker is able to achieve considerable human body tracking performance in convenient and a low-cost manner. However, The tracker often captures unnatural human poses such as discontinuous and vibrated motions when…

计算机视觉与模式识别 · 计算机科学 2016-04-18 Youngbin Park , Sungphill Moon , Il Hong Suh

We apply three optical coherence tomography (OCT) image analysis techniques to extract morphometric information from OCT images obtained on peripheral nerves of rat. The accuracy of each technique is evaluated against histological…

组织与器官 · 定量生物学 2019-01-09 J. Hope , B. Brauer , S. Amirapu , A. McDaid , F. Vanholsbeeck

Corneal cross-linking (CXL) using UVA irradiation with a riboflavin photosensitizer has grown from an interesting concept to a practical clinical treatment for corneal ectatic diseases globally, such as keratoconus. To characterize the…

医学物理 · 物理学 2020-05-28 Yi Zhou , Sergey Alexandrov , Andrew Nolan , Nandan Das , Rajib Dey , Martin Leahy

Background and aim: Image registration and alignment are the main limitations of augmented reality-based knee replacement surgery. This research aims to decrease the registration error, eliminate outcomes that are trapped in local minima to…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Nitish Maharjan , Abeer Alsadoon , P. W. C. Prasad , Salma Abdullah , Tarik A. Rashid

What makes a good viewpoint? The quality of the data used to learn 3D reconstructions is crucial for enabling efficient and accurate scene modeling. We study the active view selection problem and develop a principled analysis that yields a…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Timothy Chen , Adam Dai , Maximilian Adang , Grace Gao , Mac Schwager

X-ray imaging is a fundamental tool of routine clinical diagnosis. Fluoroscopic imaging can further acquire X-ray images at video frame rates, thus enabling non-invasive in-vivo motion studies of joints, gastrointestinal tract, etc. For…

图像与视频处理 · 电气工程与系统科学 2018-10-22 Jacky C. K. Chow , Derek Lichti , Kathleen Ang , Gregor Kuntze , Gulshan Sharma , Janet Ronsky

The anatomical axis of long bones is an important reference line for guiding fracture reduction and assisting in the correct placement of guide pins, screws, and implants in orthopedics and trauma surgery. This study investigates an…

图像与视频处理 · 电气工程与系统科学 2020-07-07 Florian Kordon , Andreas Maier , Benedict Swartman , Maxim Privalov , Jan Siad El Barbari , Holger Kunze

Purpose: A combined diffusion-relaxometry MR acquisition and analysis pipeline for in-vivo human placenta, which allows for exploration of coupling between T2* and apparent diffusion coefficient (ADC) measurements in a sub 10 minute scan…

Global 21-cm experiments are built to study the evolution of the Universe between the cosmic dawn and the epoch of reionisation. FlexKnot is a function parameterised by freely moving knots stringed together by splines. Adopting the FlexKnot…

天体物理仪器与方法 · 物理学 2024-03-22 Emma Shen , Dominic Anstey , Eloy de Lera Acedo , Anastasia Fialkov

Surgical treatment of complicated knee fractures is guided by real-time imaging using a mobile C-arm. Immediate and continuous control is achieved via 2D anatomy-specific standard views that correspond to a specific C-arm pose relative to…

图像与视频处理 · 电气工程与系统科学 2023-05-29 Lisa Kausch , Sarina Thomas , Holger Kunze , Jan Siad El Barbari , Klaus Maier-Hein

Goal: This paper presents an algorithm for estimating pelvis, thigh, shank, and foot kinematics during walking using only two or three wearable inertial sensors. Methods: The algorithm makes novel use of a Lie-group-based extended Kalman…

机器人学 · 计算机科学 2021-03-23 Luke Wicent Sy , Nigel H. Lovell , Stephen J. Redmond

Long-term vertebral fractures severely affect the life quality of patients, causing kyphotic, lumbar deformity and even paralysis. Computed tomography (CT) is a common clinical examination to screen for this disease at early stages.…

计算机视觉与模式识别 · 计算机科学 2022-11-14 Xin Wei , Huaiwei Cong , Zheng Zhang , Junran Peng , Guoping Chen , Jinpeng Li

A search in Scopus within "Article title, Abstract, Keywords" unveils 2,444 documents focused on the biomechanics of Abdominal Aortic Aneurysm (AAA), mostly on AAA wall stress. Only 24 documents investigated AAA kinematics, an important…

计算工程、金融与科学 · 计算机科学 2025-03-17 Mostafa Jamshidian , Adam Wittek , Saeideh Sekhavat , Karol Miller

Get-Up-and-Go Test is commonly used for assessing the physical mobility of the elderly by physicians. This paper presents a method for automatic analysis and classification of human gait in the Get-Up-and-Go Test using a Microsoft Kinect…

Rebar inspection in reinforced concrete construction requires sustained awkward postures and complex mental mapping of two-dimensional drawings onto three-dimensional assemblies. This study evaluated an Augmented Reality (AR)-assisted rebar…

人机交互 · 计算机科学 2026-04-30 Mahsa Sanei , Fernando Moreu

Sensor-to-segment calibration is a crucial step in inertial motion tracking. When two segments are connected by a hinge joint, for example in human knee and finger joints as well as in many robotic limbs, then the joint axis vector must be…

系统与控制 · 计算机科学 2019-03-19 Fredrik Olsson , Thomas Seel , Dustin Lehmann , Kjartan Halvorsen

Heart failure remains a major public health challenge with growing costs. Ejection fraction (EF) is a key metric for the diagnosis and management of heart failure however estimation of EF using echocardiography remains expensive for the…

图像与视频处理 · 电气工程与系统科学 2022-12-26 Walt Williams , Rohan Doshi , Yanran Li , Kexuan Liang

The health and safety hazards posed by worn crane lifting ropes mandate periodic inspection for damage. This task is time-consuming, prone to human error, halts operation, and may result in the premature disposal of ropes. Therefore, we…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Tuomas Jalonen , Mohammad Al-Sa'd , Roope Mellanen , Serkan Kiranyaz , Moncef Gabbouj

Stroke patients with upper limb motor impairments are re-acclimated to their corresponding motor functionalities through therapeutic interventions. Physiotherapists typically assess these functionalities using various qualitative protocols.…

This work is based on the study of the behaviour of flax fibres twill reinforced epoxy composites. The aim of the study is to determine the modulus of elasticity, Poisson coefficients and strength of these composites materials with image…

经典物理 · 物理学 2019-02-15 Amélie Cuynet , Franck Toussaint , Emile Roux , Daniel Scida , Rezak Ayad