19 papers · ranked by Valyu relevance
Seyed Shahim Vedaei, Khan A. Wahid
Localizing the endoscopy capsule inside gastrointestinal (GI) system provides key information which leads to GI abnormality tracking and precision medical delivery. In this paper, we have proposed a new method to localize the capsule inside human GI track. We propose to equip the capsule with four side wall cameras and…
Eduardo Gallo, Antonio Barrientos
The navigation systems of autonomous aircraft rely on the readings provided by a suite of onboard sensors to estimate the aircraft state. In the case of fixed wing vehicles, the sensor suite is composed by triads of accelerometers, gyroscopes, and magnetometers, a Global Navigation Satellite System (GNSS) receiver, and…
Mazen Al Borno, Johanna O’Day, Vanessa Ibarra, James Dunne + 6 more
The ability to measure joint kinematics in natural environments over long durations using inertial measurement units (IMUs) could enable at-home monitoring and personalized treatment of neurological and musculoskeletal disorders. However, drift, or the accumulation of error over time, inhibits the accurate measurement…
Patrick Slade, Ayman Habib, Jennifer L. Hicks, Scott L. Delp
Analyzing human motion is essential for diagnosing movement disorders and guiding rehabilitation interventions for conditions such as osteoarthritis, stroke, and Parkinson’s disease. Optical motion capture systems are the current standard for estimating kinematics but require expensive equipment located in a predefined…
Hashim A. Hashim, Abdelrahman E. E. Eltoukhy, Kyriakos G. Vamvoudakis
—This paper proposes a nonlinear stochastic complementary filter design for inertial navigation that takes advantage of a fusion of Ultra-wideband (UWB) and Inertial Measurement Unit (IMU) technology ensuring semi-global uniform ultimate boundedness (SGUUB) of the closed loop error signals in mean square. The proposed…
Sunwoo Lee, Jiankun Hu
Several researchers recently demonstrated that attackers can interfere with an inertial measurement unit (IMU) sensor’s normal function or take complete control of sensor measurements by physically injecting malicious signals into the sensor. Although there are existing methods for detecting such signal injection…
Matthew P. Mavor, Gwyneth B. Ross, Allison L. Clouthier, Thomas Karakolis + 1 more
'Thomas Karakolis' 'Ryan B. Graham'] Investigating the effects of load carriage on military soldiers using optical motion capture is challenging. However, inertial measurement units (IMUs) provide a promising alternative. Our purpose was to compare optical motion capture with an Xsens IMU system in terms of movement…
Tian Tan, Peter B. Shull, Jenifer L. Hicks, Scott D. Uhlrich + 1 more
Recent deep learning techniques hold promise to enable IMU-driven kinetic assessment; however, they require large extents of ground reaction force (GRF) data to serve as labels for supervised model training. We thus propose using existing self-supervised learning (SSL) techniques to leverage large IMU datasets to…
Alireza Kazemi, Reza Rohani Sarvestani
Considering Flight Dynamics Model Authors: ['Alireza Kazemi' 'Reza Rohani Sarvestani'] In this work we present more comprehensive evaluations on our airborne Gimbal mounted inertial measurement unit (IMU) signal simulator which also considers flight dynamic model (FDM). A flexible IMU signal simulator is an enabling…
Yaakov Libero, Itzik Klein
—Navigation plays a vital role in the ability of autonomous surface and underwater platforms to complete their tasks. Most navigation systems apply a fusion between inertial sensors and other external sensors, such as global navigation satellite systems, when available, or a Doppler velocity log. In recent years, there…
Lin Zhang, Taoyun Zhou, Baowang Lian
Considering the radio-based indoor positioning system pertaining to signal degradation due to the environmental factors, and rising popularity of IP (Internet Protocol) cameras in cities, a novel fusion of inertial measurement units (IMUs) with external IP cameras to determine the positions of moving users in indoor…
Yingying Wang, Hu Cheng, Max Q.‐H. Meng
— Inertial Measurement Unit (IMU) has long been a dream for stable and reliable motion estimation, especially in indoor environments where GPS strength limits. In this paper, we propose a novel method for position and orientation estimation of a moving object only from a sequence of IMU signals collected from the…
Faisal Jamil, Naeem Iqbal, Shabir Ahmad, Do-Hyeun Kim
Internet of Things is advancing, and the augmented role of smart navigation in automating processes is at its vanguard. Smart navigation and location tracking systems are finding increasing use in the area of the mission-critical indoor scenario, logistics, medicine, and security. A demanding emerging area is an Indoor…
Benjamin Brunson, Jianguo Wang, Wenbo Ma, Yang Gao
This research proposes a novel modeling method for integrating IMU arrays into multi-sensor kinematic positioning/navigation systems. This method characterizes sensor errors (biases/scale factor errors) for each IMU in an IMU array, leveraging the novel Generic Multisensor Integration Strategy (GMIS) and the framework…
Dezso Varga, Hiroyuki K. M. Tanaka
Various positioning techniques such as Wi-Fi positioning system have been proposed to use in situations where satellite navigation is unavailable. One such system, the muometric positioning system (muPS), was invented for navigation which operates in locations where even radio waves cannot reach such as underwater or…
Gerard Aristizábal Pla, Douglas N. Martini, Michael Potter, Wouter Hoogkamer
The zero-velocity update (ZUPT) method has become a popular approach to estimate foot kinematics from foot worn inertial measurement units (IMUs) during walking and running. However, the accuracy of the ZUPT method for stride parameters at sprinting speeds remains unknown, specifically when using sensors with…
D. Varga, Hiroyuki Tanaka
Various positioning techniques such as Wi-Fi positioning system have been proposed to use in situations where satellite navigation is unavailable. One such system, the muometric positioning system (muPS), was invented for navigation which operates in locations where even radio waves cannot reach such as underwater or…
Vinicius Cavassano Zampier, Morten Bilde Simonsen, Fabio Augusto Barbieri, Anderson Souza Oliveira
Gait events (i.e., heel strikes and toe-offs) are essential for extracting spatiotemporal parameters and segmenting biological signals. While force platforms and optical motion capture (OMC) are ideal for identifying such events, inertial measurement units (IMUs) are cheaper and more applicable, especially for…
Amit Patel, Rahul Sharma
The human immune system is a complex network of cells, tissues, and organs that work together to protect the body from harmful pathogens. Antibodies, also known as immunoglobulins (Ig), are small proteins that play a vital role in the immune system's defense mechanism. Among the five classes of immunoglobulins…