Explanipedia

The risk of Long Covid symptoms: a systematic review and meta-analysis of controlled studies Open

Lauren L. O’Mahoney, Ash Routen, Clare Gillies, Sian Jenkins, Abdullah Almaqhawi , et al. · 2025

Global Insights on the Involvement of Ethnic Minority Populations in Health and Social Care Research Priority Setting: A Systematic Scoping Review Open

Winifred Ekezie, Shabana Cassambai, Ffion Curtis, Barbara Czyznikowska, Lauren L. O’Mahoney , et al. · 2025

Background Representing all population groups in health and social care research is essential for generating research relevant to decision making in everyday clinical and social healthcare policy and practice. Conducting research that is r…

Retrospective Use of the Precis-2 Trial Design Tool to Assess Design Choices in Randomised Controlled Trials; an Empirical Review Open

Andrew Willis, Frances Shiely, Alison H. Howie, Shaun Treweek, Monica Taljaard , et al. · 2025

A Quadrotor Model for Evaluating Dynamic Response to a Blast Pressure Wave Open

Nicholas Kakavitsas, Andrew Willis, Dipankar Maity, Artur Wolek · 2024

Bridging Formal Shape Models and Deep Learning: A Novel Fusion for Understanding 3D Objects Open

Jincheng Zhang, Andrew Willis · 2024

This article describes a novel fusion of a generative formal model for three-dimensional (3D) shapes with deep learning (DL) methods to understand the geometric structure of 3D objects and the relationships between their components, given …

Reporting and representation of underserved groups in intervention studies for patients with multiple long-term conditions: a systematic review Open

Zara Kayani, Andrew Willis, Shukrat O. Salisu-Olatunji, Shavez Jeffers, Kamlesh Khunti , et al. · 2024

Objectives Globally, there is a growing number of people who are living with multiple long-term conditions (MLTCs). Due to complex management needs, it is imperative that research consists of participants who may benefit most from interven…

UAV-Borne Mapping Algorithms for Low-Altitude and High-Speed Drone Applications Open

Jincheng Zhang, Artur Wolek, Andrew Willis · 2024

This article presents an analysis of current state-of-the-art sensors and how these sensors work with several mapping algorithms for UAV (Unmanned Aerial Vehicle) applications, focusing on low-altitude and high-speed scenarios. A new exper…

Quadrotor Flight Simulation in a CFD-generated Urban Wind Field Open

Nicholas Kakavitsas, Andrew Willis, Ryan Jacobik, Mesbah Uddin, Artur Wolek · 2024

This paper presents a software pipeline that enables simulating a quadrotor’s flight in realistic urban wind fields where complex wind phenomena are common and have significant impact on vehicle dynamics. The pipeline integrates the OpenSt…

Design and Flight Demonstration of a Quadrotor for Urban Mapping and Target Tracking Research Open

Collin Hague, Nick Kakavitsas, Jincheng Zhang, Chris Beam, Andrew Willis , et al. · 2024

This paper describes the hardware design and flight demonstration of a small\nquadrotor with imaging sensors for urban mapping, hazard avoidance, and target\ntracking research. The vehicle is equipped with five cameras, including two\npair…

Unveiling Ancient Maya Settlements Using Aerial LiDAR Image Segmentation Open

Jincheng Zhang, William M. Ringle, Andrew Willis · 2024

Manual identification of archaeological features in LiDAR imagery is labor-intensive, costly, and requires archaeological expertise. This paper shows how recent advancements in deep learning (DL) present efficient solutions for accurately …

GPU-Accelerated 3D Polygon Visibility Volumes for Synergistic Perception and Navigation Open

Andrew Willis, Collin Hague, Artur Wolek, Kevin Brink · 2024

UAV missions often require specific geometric constraints to be satisfied between ground locations and the vehicle location. Such requirements are typical for contexts where line-of-sight must be maintained between the vehicle location and…

Cesium Tiles for High-realism Simulation and Comparing SLAM Results in Corresponding Virtual and Real-world Environments Open

Chris Beam, Jincheng Zhang, Nicholas Kakavitsas, Collin Hague, Artur Wolek , et al. · 2024

This article discusses the use of a simulated environment to predict algorithm results in the real world. Simulators are crucial in allowing researchers to test algorithms, sensor integration, and navigation systems without deploying expen…

UAV-Borne Mapping Algorithms for Low-Altitude and High-Speed Drone Applications Open

Jincheng Zhang, Artur Wolek, Andrew Willis · 2024

This article presents an analysis of current state-of-the-art sensors and how these sensors work with several mapping algorithms for UAV (Unmanned Aerial Vehicle) applications, focusing on low-altitude and high-speed scenarios. A new exper…

Planning Visual Inspection Tours for a 3D Dubins Airplane Model in an Urban Environment Open

Collin Hague, Andrew Willis, Dilip Kumar Maity, Artur Wolek · 2023

This paper investigates the problem of planning a minimum-length tour for a three-dimensional Dubins airplane model to visually inspect a series of targets located on the ground or exterior surface of objects in an urban environment. Objec…

Trial Forge Guidance 3: Randomised trials and how to recruit and retain individuals from ethnic minority groups– practical guidance to support better practice Open

Shoba Dawson, Katie Banister, Katie Biggs, Seonaidh Cotton, Declan Devane , et al. · 2022

Randomised trials, especially those intended to directly inform clinical practice and policy, should be designed to reflect all those who could benefit from the intervention under test should it prove effective. This does not always happen…

ROS georegistration: Aerial Multi-spectral Image Simulator for the Robot Operating System Open

Andrew Willis, Kevin Brink, Kathleen M. Dipple · 2022

This article describes a software package called ROS georegistration intended for use with the Robot Operating System (ROS) and the Gazebo 3D simulation environment. ROSgeoregistration provides tools for the simulation, test and deployment…

Volumetric procedural models for shape representation Open

Andrew Willis, Prashant Ganesh, Kyle Volle, Jincheng Zhang, Kevin Brink · 2021

A system for 3D reconstruction of comminuted tibial plafond bone fractures Open

Pengcheng Liu, Nathan Hewitt, Waseem Shadid, Andrew Willis · 2021

A System for 3D Reconstruction Of Comminuted Tibial Plafond Bone Fractures Open

Pengcheng Liu, Nathan Hewitt, Waseem Shadid, Andrew Willis · 2021

High energy impacts at joint locations often generate highly fragmented, or comminuted, bone fractures. Current approaches for treatment require physicians to decide how to classify the fracture within a hierarchy fracture severity categor…

Simple Computer Vision Algorithm Production using OpenCV for "Virtual Ecosystem” project. Open

Andrew Willis, Kemal Hasan · 2020

The main purposes of this research is to produce aComputer Vision (CV) algorithm using various library in pythonprogramming language (mainly OpenCV, Numpy, and ZBar) toautomate extraction and process information from an analogdrawing into …

Compute-Bound and Low-Bandwidth Distributed 3D Graph-SLAM Open

Jincheng Zhang, Andrew Willis, Jamie L. Godwin · 2020

This article describes a new approach for distributed 3D SLAM map building. The key contribution of this article is the creation of a distributed graph-SLAM map-building architecture responsive to bandwidth and computational needs of the r…

Maplets: An Efficient Approach for Cooperative SLAM Map Building Under\n Communication and Computation Constraints Open

Kevin Brink, Ryan E. Sherrill, Jamie L. Godwin, Jincheng Zhang, Andrew Willis · 2020

This article introduces an approach to facilitate cooperative exploration and\nmapping of large-scale, near-ground, underground, or indoor spaces via a novel\nintegration framework for locally-dense agent map data. The effort targets\nlimi…

Hardware-accelerated SAR simulation with NVIDIA-RTX technology Open

Andrew Willis, Md Sajjad Hossain, Jamie L. Godwin · 2020

Synthetic Aperture Radar (SAR) is a critical sensing technology that is notably independent of the sensor-to-target distance and has numerous cross-cutting applications, e.g., target recognition, mapping, surveillance, oceanography, geolog…

Effects of an electronic software ‘prompt’ with healthcare professional training on cardiovascular and renal complications in a multi-ethnic population with Type 2 Diabetes and Microalbuminuria (The GP Prompt study): results of a pragmatic cluster randomised trial. Open

Andrew Willis, Winston Crasto, Laura J. Gray, Helen Dallosso, Ghazala Waheed , et al. · 2020

Background: Tight, targeted control of modifiable cardiovascular risk factors can reduce cardiovascular complications and mortality in individuals with type 2 diabetes (T2DM) and microalbuminuria. The effects of using an electronic …

Effects of an electronic software ‘prompt’ with healthcare professional training on cardiovascular and renal complications in a multi-ethnic population with Type 2 Diabetes and Microalbuminuria (The GP Prompt study): results of a pragmatic cluster randomised trial. Open

Andrew Willis, Winston Crasto, Laura J. Gray, Helen Dallosso, Ghazala Waheed , et al. · 2020

Background: Tight, targeted control of modifiable cardiovascular risk factors can reduce cardiovascular complications and mortality in individuals with type 2 diabetes (T2DM) and microalbuminuria. The effects of using an electronic …

Maplets: An Efficient Approach for Cooperative SLAM Map Building Under Communication and Computation Constraints Open

Kevin Brink, Jincheng Zhang, Andrew Willis, Ryan E. Sherrill, Jamie L. Godwin · 2020

This article introduces an approach to facilitate cooperative exploration and mapping of large-scale, near-ground, underground, or indoor spaces via a novel integration framework for locally-dense agent map data. The effort targets limited…

A closer look at network resolution for efficient network design Open

Taojiannan Yang, Sijie Zhu, Yan Shen, Mi Zhang, Andrew Willis , et al. · 2019

Real-time RGBD odometry for fused-state navigation systems Open

Andrew Willis, Kevin Brink · 2016

This article describes an algorithm that provides visual odometry estimates\nfrom sequential pairs of RGBD images. The key contribution of this article on\nRGBD odometry is that it provides both an odometry estimate and a covariance\nfor t…

Cracks in Martian boulders exhibit preferred orientations that point to solar-induced thermal stress Open

Martha Cary Eppes, Andrew Willis, J. L. Molaro, Stephen W. Abernathy, Beibei Zhou · 2015

The origins of fractures in Martian boulders are unknown. Here, using Mars Exploration Rover 3D data products, we obtain orientation measurements for 1,857 cracks visible in 1,573 rocks along the Spirit traverse and find that Mars rock cra…

A prototypical system to virtually reconstruct high energy fracture events Open

Waseem Shadid, Andrew Willis · 2015

This paper presents a new computational system that seeks to estimate the dynamics of fracture event from a 3D CT image of the fractured limb and the (assumed) intact contra-lateral limb. A model of the intact limb anatomy prior to injury …

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