Jason M. Hite

Works (8)

Updated: July 5th, 2023 15:45

2019 article

Application and Evaluation of Surrogate Models for Radiation Source Search

Cook, J. A., Smith, R. C., Hite, J. M., Stefanescu, R., & Mattingly, J. (2019, December 12). Algorithms, Vol. 12.

By: J. Cook n, R. Smith n , J. Hite n, R. Stefanescu & J. Mattingly n 

author keywords: surrogate modeling; bayesian inference; radiation source localization
topics (OpenAlex): Probabilistic and Robust Engineering Design; Gaussian Processes and Bayesian Inference; Advanced Multi-Objective Optimization Algorithms
TL;DR: This work considers the problem of inferring the 2D location and intensity of a radiation source in an urban environment using a ray-tracing model based on Boltzmann transport theory, and considers surrogate models based on Legendre polynomials, multivariate adaptive regression splines, radial basis functions, Gaussian processes, and neural networks. (via Semantic Scholar)
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11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: January 21, 2020

2019 journal article

Sequential optimal positioning of mobile sensors using mutual information

Statistical Analysis and Data Mining: The ASA Data Science Journal, 12(6), 465–478.

By: K. Schmidt *, R. Smith n , J. Hite n, J. Mattingly n , Y. Azmy n , D. Rajan*, R. Goldhahn *

author keywords: Bayesian inference; inverse problem; mutual information; sensor placement; source localization
topics (OpenAlex): Distributed Sensor Networks and Detection Algorithms; Target Tracking and Data Fusion in Sensor Networks; Insect Pheromone Research and Control
TL;DR: While most mobile sensor strategies designate a trajectory for sensor movement, this work instead employs mutual information, based on Shannon entropy, to choose the next measurement location from a discrete set of design conditions. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: August 12, 2019

2019 article

Surrogate-Based Robust Design for a Non-Smooth Radiation Source Detection Problem

Ştefănescu, R., Hite, J., Cook, J., Smith, R. C., & Mattingly, J. (2019, May 28). Algorithms, Vol. 12.

By: R. Ştefănescu *, J. Hite n, J. Cook n, R. Smith n  & J. Mattingly n 

author keywords: robust design in the average sense; Particle Swarm; radial basis functions; radiation source detection
topics (OpenAlex): Probabilistic and Robust Engineering Design; Advanced Multi-Objective Optimization Algorithms; Optimal Experimental Design Methods
TL;DR: A robust sensor network design is developed that is optimal in an average sense for detecting source location and intensity with minimized uncertainty and employs a verified surrogate model based on radial basis functions. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: July 22, 2019

2018 article

Bayesian Metropolis methods for source localization in an urban environment

Hite, J., & Mattingly, J. (2018, June 18). Radiation Physics and Chemistry, Vol. 155, pp. 271–274.

By: J. Hite n & J. Mattingly n 

topics (OpenAlex): Radioactive contamination and transfer; Radioactivity and Radon Measurements; Nuclear and radioactivity studies
TL;DR: A modification of the traditional Metropolis sampling algorithm is presented that allows us to incorporate fixed parameter uncertainties in building macroscopic cross sections and account for their effects on the posterior distribution. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: January 14, 2019

2018 article

Localization of a radioactive source in an urban environment using Bayesian Metropolis methods

Hite, J., Mattingly, J., Archer, D., Willis, M., Rowe, A., Bray, K., … Ghawaly, J. (2018, September 25). Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment, Vol. 915, pp. 82–93.

By: J. Hite n, J. Mattingly n , D. Archer*, M. Willis *, A. Rowe*, K. Bray*, J. Carter*, J. Ghawaly *

author keywords: Source localization; Bayesian parameter estimation; Sensor networks
topics (OpenAlex): Target Tracking and Data Fusion in Sensor Networks; Distributed Sensor Networks and Detection Algorithms; Gaussian Processes and Bayesian Inference
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UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: December 10, 2018

2016 article

Bayesian metropolis methods applied to sensor networks for radiation source localization

Hite, J. M., Mattingly, J. K., Schmidt, K. L., Stefanescu, R., & Smith, R. (2016, September 1). 2016 IEEE International Conference on Multisensor Fusion and Integration for Intelligent Systems (MFI), pp. 389–393.

By: J. Hite n, J. Mattingly n , K. Schmidt  n, R. Stefanescu  n & R. Smith n 

topics (OpenAlex): Nuclear reactor physics and engineering; Radiation Detection and Scintillator Technologies; Radioactive contamination and transfer
TL;DR: An application of statistical techniques to the localization of an unknown gamma source in an urban environment is presented and Markov Chain Monte Carlo is applied to generate a full posterior probability density estimating the source location and intensity based on counts reported from a distributed detector network. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2016 journal article

Hybrid optimization and Bayesian inference techniques for a non-smooth radiation detection problem

International Journal for Numerical Methods in Engineering, 111(10), 955–982.

By: R. Ştefănescu  n, K. Schmidt  n, J. Hite n, R. Smith n  & J. Mattingly n 

author keywords: inverse problems; simulated annealing; particle swarm; genetic algorithm; implicit filtering; DiffeRential Evolution Adaptive Metropolis; delayed rejection adaptive Metropolis
topics (OpenAlex): Probabilistic and Robust Engineering Design; Advanced Multi-Objective Optimization Algorithms; Gaussian Processes and Bayesian Inference
TL;DR: Three hybrid algorithms composed of mixed optimization techniques are investigated, combining global optimization and implicit filtering address, difficulties associated with the non‐smooth response, and their performances are shown to significantly decrease the computational time over the global optimization methods. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, Crossref, NC State University Libraries
Added: August 6, 2018

2012 article

Hybrid reduced order modeling applied to nonlinear models

Bang, Y., Abdel‐Khalik, H. S., & Hite, J. M. (2012, July 1). International Journal for Numerical Methods in Engineering.

By: Y. Bang n, H. Abdel‐Khalik n & J. Hite n

author keywords: nonlinear sensitivity analysis; reduced order modeling; subspace methods
topics (OpenAlex): Model Reduction and Neural Networks; Probabilistic and Robust Engineering Design; Numerical methods for differential equations
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Source: Web Of Science
Added: August 6, 2018

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