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Quantitative magnetic resonance imaging (qMRI) derives tissue-specific parameters -- such as the apparent transverse relaxation rate R2*, the longitudinal relaxation rate R1 and the magnetisation transfer saturation -- that can be compared…

图像与视频处理 · 电气工程与系统科学 2021-05-10 Yaël Balbastre , Mikael Brudfors , Michela Azzarito , Christian Lambert , Martina F. Callaghan , John Ashburner

Accurate measures of musculoskeletal forces are critical for clinicians, biomechanists, and engineers, yet direct measurement is highly invasive and current estimation methods remain limited in accuracy. Here, we demonstrate the application…

定量方法 · 定量生物学 2025-10-27 Christopher S. Bird , Antonio P. L. Bo , Wei Lu , Taylor J. M. Dick

Electromyogram (EMG) signals recorded from the skin surface enable intuitive control of assistive devices such as prosthetic limbs. However, in EMG-based motion recognition, collecting comprehensive training data for all target motions…

信号处理 · 电气工程与系统科学 2025-05-22 Itsuki Yazawa , Seitaro Yoneda , Akira Furui

Background. Joint range of motion (ROM) is an important quantitative measure for physical therapy. Commonly relying on a goniometer, accurate and reliable ROM measurement requires extensive training and practice. This, in turn, imposes a…

人机交互 · 计算机科学 2023-10-12 Xiaoye Michael Wang , Derek T. Smith , Qin Zhu

Estimation of optical aberrations from volumetric intensity images is a key step in sensorless adaptive optics for 3D microscopy. Recent approaches based on deep learning promise accurate results at fast processing speeds. However,…

图像与视频处理 · 电气工程与系统科学 2020-10-28 Debayan Saha , Uwe Schmidt , Qinrong Zhang , Aurelien Barbotin , Qi Hu , Na Ji , Martin J. Booth , Martin Weigert , Eugene W. Myers

Robotic three-dimensional (3D) ultrasound (US) imaging has been employed to overcome the drawbacks of traditional US examinations, such as high inter-operator variability and lack of repeatability. However, object movement remains a…

Multi-view registration is a fundamental but challenging problem in 3D reconstruction and robot vision. Although the original motion averaging algorithm has been introduced as an effective means to solve the multi-view registration problem,…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Rui Guo , Jihua Zhu , Yaochen Li , Dapeng Chen , Zhongyu Li , Yongqin Zhang

Inverse dynamic analysis using musculoskeletal modeling is a powerful tool, which is utilized in a range of applications to estimate forces in ligaments, muscles, and joints, non-invasively. To date, the conventional input used in this…

Efficient intravascular access in trauma and critical care significantly impacts patient outcomes. However, the availability of skilled medical personnel in austere environments is often limited. Autonomous robotic ultrasound systems can…

计算机视觉与模式识别 · 计算机科学 2024-08-01 Rohini Banerjee , Cecilia G. Morales , Artur Dubrawski

We study the problem of treatment effect estimation in randomized experiments with high-dimensional covariate information, and show that essentially any risk-consistent regression adjustment can be used to obtain efficient estimates of the…

统计方法学 · 统计学 2022-06-08 Stefan Wager , Wenfei Du , Jonathan Taylor , Robert Tibshirani

An extended aperture has the potential to greatly improve ultrasound imaging performance. This work extends the effective aperture size by coherently compounding the received radio frequency data from multiple transducers. A framework is…

Ultrasound-based bone surface segmentation is crucial in computer-assisted orthopedic surgery. However, ultrasound images have limitations, including a low signal-to-noise ratio, and acoustic shadowing, which make interpretation difficult.…

Achilles tendon rupture is a debilitating injury, which is typically treated with surgical repair and long-term rehabilitation. The recovery, however, is protracted and often incomplete. Diagnosis, as well as healing progress assessment,…

The high time resolution of ultra-wideband (UWB) signals facilitates very precise position estimation in many scenarios, which makes a variety applications possible. This paper reviews the problem of position estimation in UWB systems,…

信息论 · 计算机科学 2008-07-18 S. Gezici , H. V. Poor

This preliminary study focuses on the development of a medical image segmentation algorithm based on artificial intelligence for calculating bone growth in contact with metallic implants. %as a result of the problem of estimating the growth…

图像与视频处理 · 电气工程与系统科学 2022-04-25 Fernando García-Torres , Carmen Mínguez-Porter , Julia Tomás-Chenoll , Sofía Iranzo-Egea , Juan-Manuel Belda-Lois

One of the most elusive goals in myographic prosthesis control is the ability to reliably decode continuous positions simultaneously across multiple degrees-of-freedom. Goal: To demonstrate dexterous, natural, biomimetic finger and wrist…

Recently, through development of several 3d vision systems, widely used in various applications, medical and biometric fields. Microsoft kinect sensor have been most of used camera among 3d vision systems. Microsoft kinect sensor can obtain…

计算机视觉与模式识别 · 计算机科学 2024-09-16 M. S. Gokmen , M. Akbaba , O. Findik

Electromyography (EMG) signals are widely used for predicting body joint angles through machine learning (ML) and deep learning (DL) methods. However, these approaches often face challenges such as limited real-time applicability,…

机器人学 · 计算机科学 2025-10-28 Mojtaba Mollahossein , Gholamreza Vossoughi , Mohammad Hossein Rohban

An alternative approach to ultrasound computed tomography (USCT) for medical imaging is proposed, with the intent to (i) shorten acquisition time for devices with a large number of emitters, (ii) eliminate the calibration step, and (iii)…

医学物理 · 物理学 2022-01-25 Ines Elisa Ulrich , Christian Boehm , Andrea Zunino , Cyrill Bösch , Andreas Fichtner

Accurate speed-of-sound (SoS) estimation is crucial for ultrasound image formation, yet conventional systems often rely on an assumed value for imaging. We propose to leverage conventional image analysis techniques and metrics as a novel…

图像与视频处理 · 电气工程与系统科学 2026-04-08 Roman Denkin , Orcun Goksel