Dr. Stephen Andrew Gadsden Profile

Dr. Stephen Andrew Gadsden

Associate Professor at McMaster Univ

SPIE Involvement:

Author

Publications (70)

Proceedings Article | 19 July 2023 Presentation + Paper

Normalized determinant pooling layer in CNNs for multi-label classification

Alessandro Giuliano, Waleed Hilal, Naseem Alsadi, John Yawney, S. Andrew Gadsden

Proceedings Volume 12523, 1252309 (2023) https://doi.org/10.1117/12.2663916

KEYWORDS: Education and training, Machine learning, Convolution, Image processing, Performance modeling, Image classification, Feature extraction, Data modeling, Image segmentation, Visualization

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Proceedings Article | 15 June 2023 Presentation + Paper

A cognitive dynamics framework for practical blockchain applications

Naseem Alsadi, Stephen Gadsden, John Yawney

Proceedings Volume 12542, 1254206 (2023) https://doi.org/10.1117/12.2664067

KEYWORDS: Blockchain, Network security, Dynamical systems, Network architectures, Cognitive modeling, Mining, Machine learning, Intelligence systems, Computer security, Sustainability

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Proceedings Article | 15 June 2023 Presentation + Paper

Sliding innovation filter to estimate power converters of electric vehicles

Mohammad AlShabi, Andrew Gadsden, Khaled Obaideen

Proceedings Volume 12513, 1251308 (2023) https://doi.org/10.1117/12.2664057

KEYWORDS: Signal filtering, Tunable filters, Control systems, Batteries, Electronic filtering, Signal processing, Nonlinear filtering, Engineering, Optical engineering

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Proceedings Article | 14 June 2023 Presentation + Paper

Estimating the complex maneuvering of a UGV using IMM-SIF

Mohammad AlShabi, Khaled Obaideen, S. Andrew Gadsden

Proceedings Volume 12547, 1254709 (2023) https://doi.org/10.1117/12.2664097

KEYWORDS: Signal filtering, Systems modeling, Nonlinear filtering, Signal processing, Optical engineering, Aerospace engineering, Electronic filtering

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Proceedings Article | 14 June 2023 Presentation + Paper

A machine learning-based state estimation approach for varying noise distributions

Waleed Hilal, Stephen Gadsden, John Yawney

Proceedings Volume 12547, 1254706 (2023) https://doi.org/10.1117/12.2663898

KEYWORDS: Machine learning, Education and training, Data modeling, Neurons, Network architectures, Covariance, Performance modeling, Signal filtering, Covariance matrices, Systems modeling

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Proceedings Article | 14 June 2023 Presentation + Paper

Derivation of the sliding innovation information filter for target tracking

Naseem Alsadi, Waleed Hilal, S. Andrew Gadsden, Mohammad Al-Shabi

Proceedings Volume 12547, 1254708 (2023) https://doi.org/10.1117/12.2663909

KEYWORDS: Tunable filters, Signal filtering, Covariance matrices, Matrices, Digital filtering, Electronic filtering, Covariance, Error analysis, Motion models, Complex systems

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Proceedings Article | 14 June 2023 Poster + Paper

FPGA to study the behavior of a maneuvering UGV using sliding innovation filter

Mohammad AlShabi, Talal Bonny, S. Andrew Gadsden

Proceedings Volume 12547, 1254713 (2023) https://doi.org/10.1117/12.2664149

KEYWORDS: Field programmable gate arrays, Tunable filters, Signal filtering, Image processing, Signal processing, Control systems, Artificial intelligence, Electronic filtering, Design and modelling, Robotics

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Proceedings Article | 14 June 2023 Presentation + Paper

Generalizing the unscented Kalman filter for state estimation

Quade Butler, Waleed Hilal, Brett Sicard, Youssef Ziada, S. Andrew Gadsden

Proceedings Volume 12547, 1254703 (2023) https://doi.org/10.1117/12.2664227

KEYWORDS: Signal filtering, Covariance, Error analysis, Tunable filters, Nonlinear filtering, Simulations, Complex systems, Systems modeling, Matrices, Covariance matrices

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Proceedings Article | 14 June 2023 Presentation + Paper

Sliding innovation filter for micorgrid application

Mohammad AlShabi, Khaled Obaideen, Amr El Nady, Andrew Gadsden, Talal Bonny

Proceedings Volume 12547, 125470B (2023) https://doi.org/10.1117/12.2664078

KEYWORDS: Signal filtering, Tunable filters, Control systems, Electronic filtering, Nonlinear filtering, Engineering, Optical engineering, Digital filtering, Signal processing

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Proceedings Article | 14 June 2023 Presentation + Paper

A robust fault detection and identification strategy for aerospace systems

Andrew Lee, Waleed Hilal, D. Ciampini, S. Andrew Gadsden, Mohammad Al-Shabi

Proceedings Volume 12547, 1254707 (2023) https://doi.org/10.1117/12.2663917

KEYWORDS: Covariance, Actuators, Tunable filters, Error analysis, Matrices, Covariance matrices, Complex systems, Signal filtering, Sensors, Aerospace engineering

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Proceedings Article | 14 June 2023 Presentation + Paper

The extended Luenberger sliding innovation filter

Mohammad AlShabi, Andrew Gadsden, Khaled Obaideen

Proceedings Volume 12535, 125350B (2023) https://doi.org/10.1117/12.2664129

KEYWORDS: Signal filtering, Tunable filters, Control systems, Nonlinear filtering, Electronic filtering, Signal processing, Engineering, Optical engineering

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Proceedings Article | 14 June 2023 Presentation + Paper

The formulation of the sequential sliding innovation filter and its application to complex road maneuvering

Mohammad AlShabi, Khaled Obaideen, Andrew Gadsden

Proceedings Volume 12546, 125460K (2023) https://doi.org/10.1117/12.2664120

KEYWORDS: Signal filtering, Control systems, Nonlinear filtering, Electronic filtering, Aerospace engineering, Systems modeling, Signal processing, Engineering

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Proceedings Article | 14 June 2023 Presentation + Paper

Towards a second-generation robotic telescope mount for the air-LUSI instrument

Andrew Newton, Alex McCafferty-Leroux, S. Andrew Gadsden, Kevin Turpie

Proceedings Volume 12546, 125460J (2023) https://doi.org/10.1117/12.2663887

KEYWORDS: Telescopes, Equipment, Actuators, Robotics, Design and modelling, Calibration, Control systems

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Proceedings Article | 14 June 2023 Presentation + Paper

An improved nanosatellite attitude control simulator for experimental research

Alex McCafferty-Leroux, Andrew Newton, S. Andrew Gadsden

Proceedings Volume 12546, 1254607 (2023) https://doi.org/10.1117/12.2675437

KEYWORDS: Design and modelling, Control systems, Satellites, Mechanical engineering

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Proceedings Article | 14 June 2023 Presentation + Paper

An adaptive SIF and KF estimation strategy for fault detection based on the NIS metric

Waleed Hilal, Naseem Alsadi, Stephen Gadsden, Mohammad AlShabi

Proceedings Volume 12546, 125460S (2023) https://doi.org/10.1117/12.2664054

KEYWORDS: Tunable filters, Covariance, Signal filtering, Simulations, Gain switching, Covariance matrices, Systems modeling, Modeling, Electronic filtering, Monte Carlo methods

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Proceedings Article | 14 June 2023 Presentation + Paper

Cognitive dynamic digital twin: enhancements for digital twin platforms based on human cognition

Brett Sicard, Quade Butler, Youssef Ziada, S. Andrew Gadsden

Proceedings Volume 12522, 125220B (2023) https://doi.org/10.1117/12.2664017

KEYWORDS: Data modeling, Artificial neural networks, Cognition, Artificial intelligence, Sensors, Feature extraction, Vibration, Systems modeling, Manufacturing, Modeling

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Proceedings Article | 14 June 2023 Paper

An adaptive approach to blockchain in smart system applications

Naseem Alsadi, Alessandro Giuliano, Stephen Gadsden, John Yawney

Proceedings Volume 12522, 1252209 (2023) https://doi.org/10.1117/12.2662231

KEYWORDS: Blockchain, Mining, Network security, Telecommunications, Internet of things, Computer security, Machine learning, Information security, Distributed computing, Data processing

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Proceedings Article | 13 June 2023 Presentation + Paper

Facial feature tracking method using a hybrid model of the Kalman filter and the sliding innovation filter

Connor Wilkinson, Waleed Hilal, S. Andrew Gadsden, John Yawney

Proceedings Volume 12528, 1252805 (2023) https://doi.org/10.1117/12.2663896

KEYWORDS: Video, Object detection, Signal filtering, Tunable filters, Covariance matrices, Image processing, Electronic filtering, Facial recognition systems, Data modeling, Video surveillance

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Proceedings Article | 8 June 2022 Paper

A multiple model-based sliding innovation filter and its application on aerospace actuator

Mohammad AlShabi, S. Andrew Gadsden

Proceedings Volume 12122, 1212218 (2022) https://doi.org/10.1117/12.2619569

KEYWORDS: Filtering (signal processing), Control systems, Aerospace engineering, Actuators, Systems modeling, Nonlinear filtering

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Proceedings Article | 8 June 2022 Paper

Rapid parameter estimation of CNC feed drive systems

Quade Butler, Brett Sicard, Ethan Hughey, Youssef Ziada, David Stephenson, S. A. Gadsden

Proceedings Volume 12122, 121221B (2022) https://doi.org/10.1117/12.2626801

KEYWORDS: Manufacturing, Data modeling, Modeling, Error analysis, Data analysis, Servomechanisms, Performance modeling

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Proceedings Article | 8 June 2022 Presentation + Paper

A square-root formulation of the sliding innovation filter for target tracking

W. Hilal, S. A. Gadsden, S. Wilkerson, M. AlShabi

Proceedings Volume 12122, 1212203 (2022) https://doi.org/10.1117/12.2618965

KEYWORDS: Filtering (signal processing), Complex systems, Estimation theory, Radar, Numerical stability

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Proceedings Article | 8 June 2022 Presentation + Paper

Combined particle and smooth innovation filtering for nonlinear estimation

W. Hilal, S. A. Gadsden, S. Wilkerson, M. AlShabi

Proceedings Volume 12122, 1212204 (2022) https://doi.org/10.1117/12.2618973

KEYWORDS: Nonlinear filtering, Filtering (signal processing), Particle filters, Systems modeling, Statistical analysis, Signal processing

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Proceedings Article | 8 June 2022 Paper

Application of the sliding innovation filter to complex road

Mohammad AlShabi, Andrew Gadsden

Proceedings Volume 12122, 121220A (2022) https://doi.org/10.1117/12.2619571

KEYWORDS: Filtering (signal processing), Control systems, Nonlinear filtering, Roads, Systems modeling, Mechanical engineering, Linear filtering

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Proceedings Article | 8 June 2022 Paper

The Luenberger sliding innovation filter for linear systems

Mohammad AlShabi, Andrew Gadsden

Proceedings Volume 12122, 121220B (2022) https://doi.org/10.1117/12.2619570

KEYWORDS: Filtering (signal processing), Control systems, Sensors, Matrices, Linear filtering, Systems modeling, Signal processing

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Proceedings Article | 6 June 2022 Poster + Paper

Neural network training loss optimization utilizing the sliding innovation filter

Naseem Alsadi, Waleed Hilal, Onur Surucu, Alessandro Giuliano, Stephen Gadsden, John Yawney, Mohammad AlShabi

Proceedings Volume 12113, 121131Z (2022) https://doi.org/10.1117/12.2619029

KEYWORDS: Neural networks, Neurons, Filtering (signal processing), Error analysis, Data modeling, Matrices, Optimization (mathematics), Complex systems, Chaos, Performance modeling

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Proceedings Article | 6 June 2022 Poster + Paper

Visual attention for malware classification

Naseem Alsadi, Waleed Hilal, Onur Surucu, Alessandro Giuliano, Stephen Gadsden, John Yawney

Proceedings Volume 12113, 121131X (2022) https://doi.org/10.1117/12.2619009

KEYWORDS: Visualization, Machine learning, Convolutional neural networks, Binary data, Data modeling, Computing systems, Computer programming, Visual process modeling, Visual analytics, Telecommunications

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Proceedings Article | 6 June 2022 Poster + Paper

Minority class augmentation using GANs to improve the detection of anomalies in critical operations

Waleed Hilal, Connor Wilkinson, Alessandro Giuliano, Naseem Alsadi, Onur Surucu, Stephen Gadsden, John Yawney

Proceedings Volume 12113, 121131U (2022) https://doi.org/10.1117/12.2618858

KEYWORDS: Data modeling, Performance modeling, Binary data, Statistical modeling, Machine learning, Principal component analysis, Distance measurement, Artificial intelligence, Classification systems

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Proceedings Article | 6 June 2022 Presentation + Paper

PROGNOS: an automatic remaining useful life (RUL) prediction model for military systems using machine learning

Onur Sürücü, Connor Wilkinson, Uygar Yeprem, Waleed Hilal, S. Andrew Gadsden, John Yawney, Naseem Alsadi, Alessandro Giuliano

Proceedings Volume 12113, 121130R (2022) https://doi.org/10.1117/12.2618913

KEYWORDS: Military electronics, Sensors, Feature extraction, Expectation maximization algorithms, Filtering (signal processing), Machine learning, Signal processing, Data modeling, Principal component analysis, Performance modeling

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Proceedings Article | 3 June 2022 Paper

Development of a nanosatellite attitude control simulator for ground-based research

Andrew Newton, Elyse Hill, S. Andrew Gadsden, Mohammad Biglarbegian

Proceedings Volume 12121, 1212106 (2022) https://doi.org/10.1117/12.2619096

KEYWORDS: Satellites, Nonlinear control, Earth observing sensors, Device simulation, Control systems

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Proceedings Article | 31 May 2022 Presentation + Paper

An optimized volumetric approach to unsupervised image registration

Naseem Alsadi, Waleed Hilal, Onur Surucu, Alessandro Giuliano, Stephen Gadsden, John Yawney

Proceedings Volume 12097, 120970D (2022) https://doi.org/10.1117/12.2618647

KEYWORDS: Image registration, Medical imaging, Image processing, Data modeling, Image segmentation, Convolution, Transformers, Machine learning, Computer programming, Neuroimaging

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Proceedings Article | 31 May 2022 Presentation + Paper

Efficient utilization of big data using distributed storage, parallel processing, and blockchain technology

Alessandro Giuliano, Waleed Hilal, Naseem Alsadi, Onur Surucu, Andrew Gadsden, John Yawney, Youssef Ziada

Proceedings Volume 12097, 1209704 (2022) https://doi.org/10.1117/12.2618891

KEYWORDS: Clouds, Data storage, Data processing, Computer security, Network architectures, Distributed computing, Network security, Control systems, Computing systems

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Proceedings Article | 30 May 2022 Paper

An anomaly detecting blockchain strategy for secure IoT networks

Naseem Alsadi, Waleed Hilal, Onur Surucu, Alessandro Giuliani, Andrew Gadsden, John Yawney, Stephan Iskander

Proceedings Volume 12117, 121170A (2022) https://doi.org/10.1117/12.2618301

KEYWORDS: Network security, Stochastic processes, Ecosystems, Telecommunications, Mining, Internet, Computer security, Helium, Network architectures, Instrument modeling

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Proceedings Article | 30 May 2022 Presentation + Paper

A topic modeling-based approach to executable file malware detection

Waleed Hilal, Connor Wilkinson, Naseem Alsadi, Onur Surucu, Alessandro Giuliano, Stephen Gadsden, John Yawney

Proceedings Volume 12117, 1211708 (2022) https://doi.org/10.1117/12.2619033

KEYWORDS: Data modeling, Performance modeling, Expectation maximization algorithms, Modeling, Unattended ground sensors, Library classification systems, Feature extraction, Computer security, Statistical modeling, Machine learning

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Proceedings Article | 30 May 2022 Presentation + Paper

A survey on ethereum smart contract vulnerability detection using machine learning

Onur Sürücü, Uygar Yeprem, Connor Wilkinson, Waleed Hilal, S. Andrew Gadsden, John Yawney, Naseem Alsadi, Alessandro Giuliano

Proceedings Volume 12117, 121170C (2022) https://doi.org/10.1117/12.2618899

KEYWORDS: Machine learning, Neural networks, Data modeling, Feature extraction, Computer programming, Computer networks, Statistical analysis, Performance modeling, Information security

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Proceedings Article | 27 May 2022 Presentation + Paper

Air-LUSI: an autonomous robotic telescope for high-altitude lunar spectral irradiance measurements

Andrew Newton, Stephen Maxwell, S. Andrew Gadsden, Kevin Turpie

Proceedings Volume 12103, 121030E (2022) https://doi.org/10.1117/12.2619090

KEYWORDS: Actuators, Telescopes, Control systems, Robotics, Calibration, Satellites, Cameras, Machine vision, Image processing

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Proceedings Article | 1 August 2021 Presentation + Paper

A comparison of nonlinear filtering methods for blackbody radiation applications in photonics

Isaac Spotts, C. Harrison Brodie, S. Andrew Gadsden, Mohammad AlShabi, Christopher Collier

Proceedings Volume 11841, 118410O (2021) https://doi.org/10.1117/12.2594674

KEYWORDS: Filtering (signal processing), Temperature metrology, Optical filters, Nonlinear filtering, Black bodies, Electronic filtering, Systems modeling, Interference (communication), Photonics, Linear filtering

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Proceedings Article | 12 April 2021 Presentation + Paper

Development of a second-order sliding innovation filter for an aerospace system

S. Andrew Gadsden, Mohammad AlShabi, Stephen Wilkerson

Proceedings Volume 11755, 117550T (2021) https://doi.org/10.1117/12.2587334

KEYWORDS: Aerospace engineering, Filtering (signal processing)

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Proceedings Article | 12 April 2021 Presentation + Paper

A comparison of sigma-point Kalman filters on an aerospace actuator

Mohammad AlShabi, S. Andrew Gadsden, Mamdouh El Haj Assad, Bassam Khuwaileh

Proceedings Volume 11755, 117550U (2021) https://doi.org/10.1117/12.2587340

KEYWORDS: Filtering (signal processing), Aerospace engineering, Actuators

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Proceedings Article | 12 April 2021 Poster + Presentation + Paper

Application of the sliding innovation filter to unmanned aerial systems

Mohammad AlShabi, S. Andrew Gadsden, Mamdouh El Haj Assad, Bassam Khuwaileh, Stephen Wilkerson

Proceedings Volume 11758, 117580T (2021) https://doi.org/10.1117/12.2587346

KEYWORDS: Sensors, Data hiding

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Proceedings Article | 12 April 2021 Presentation + Paper

Application of the sliding innovation filter for fault detection and diagnosis of an electromechanical system

Mohammad AlShabi, S. Andrew Gadsden, Mamdouh El Haj Assad, Bassam Khuwaileh

Proceedings Volume 11756, 1175607 (2021) https://doi.org/10.1117/12.2587341

KEYWORDS: Filtering (signal processing), Telecommunications, Systems modeling, Signal processing, Robotics, Optical networks

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Proceedings Article | 12 April 2021 Presentation + Paper

The two-pass sliding innovation smoother

Mohammad AlShabi, S. Andrew Gadsden, Mamdouh El Haj Assad, Bassam Khuwaileh

Proceedings Volume 11756, 1175609 (2021) https://doi.org/10.1117/12.2587344

KEYWORDS: Switching, Aerospace engineering, Actuators

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Proceedings Article | 12 April 2021 Presentation + Paper

A multiple model-based sliding innovation filter

Mohammad AlShabi, S. Andrew Gadsden, Mamdouh El Haj Assad, Bassam Khuwaileh

Proceedings Volume 11756, 1175608 (2021) https://doi.org/10.1117/12.2587343

KEYWORDS: Model-based design

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Proceedings Article | 14 May 2019 Presentation + Paper

Air-LUSI: Autonomous telescope design for lunar spectral irradiance measurements

Andrew Cataford, S. Andrew Gadsden, Kevin Turpie

Proceedings Volume 10998, 109980O (2019) https://doi.org/10.1117/12.2519802

KEYWORDS: Telescopes, Robotics, Actuators, Cameras, Optical instrument design, Calibration, Robotic systems, Earth's atmosphere, Telescope design, Data modeling

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Proceedings Article | 14 May 2019 Presentation + Paper

Drone-Based technologies used to assess modern farming practices in undergraduate research

S. Wilkerson, S. Gadsden, J. Cerreta, M. AlShabi

Proceedings Volume 11008, 110080K (2019) https://doi.org/10.1117/12.2519801

KEYWORDS: Analytical research, Cameras, Control systems, Chemical analysis, Image processing, Imaging systems, Composites, Near infrared, Sensors, Lithium

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Proceedings Article | 13 May 2019 Paper

Studying the effect of current on an electric-powered ducted fan using artificial neural networks

Yousuf Faroukh, Lina Berrim, Mohammad AlShabi, S. Andrew Gadsden, Stephen Wilkerson

Proceedings Volume 10979, 109790K (2019) https://doi.org/10.1117/12.2522983

KEYWORDS: Fluctuations and noise, Neurons, Artificial neural networks, Unmanned aerial vehicles, Amplifiers, Modulation, Performance modeling, Intelligence systems, Transducers, Artificial intelligence

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Proceedings Article | 10 May 2019 Paper

Drone based technologies for assessing modern farming practices in undergraduate research

S. Wilkerson, S. Gadsden, J. Cerreta, Mohammad AlShabi

Proceedings Volume 11007, 110070D (2019) https://doi.org/10.1117/12.2524845

KEYWORDS: Analytical research, Cameras, Control systems, Chemical analysis, Image processing, Imaging systems, Composites, Near infrared, Sensors, Lithium

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Proceedings Article | 7 May 2019 Paper

A multiple model adaptive SVSF-KF estimation strategy

Jacob Goodman, Stephen Wilkerson, Charles Eggleton, S. Andrew Gadsden

Proceedings Volume 11018, 110181K (2019) https://doi.org/10.1117/12.2520018

KEYWORDS: Filtering (signal processing), Systems modeling, Switches, Switching, Error analysis, Space based lasers, Electronic filtering, Monte Carlo methods, Smoothing, Nonlinear filtering

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Proceedings Article | 7 May 2019 Presentation + Paper

An adaptive smooth variable structure filter based on the static multiple model strategy

Andrew Lee, S. Andrew Gadsden, Stephen Wilkerson

Proceedings Volume 11018, 110181D (2019) https://doi.org/10.1117/12.2519771

KEYWORDS: Filtering (signal processing), Systems modeling, Error analysis, Digital filtering, Electronic filtering, Actuators, Estimation theory, Probability theory, Complex systems, Signal processing

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Proceedings Article | 30 April 2019 Paper

Selection of optimal bands for developing multispectral system for inspecting apples for defects

I. Baek, C. Eggleton, S. A. Gadsden, M. Kim

Proceedings Volume 11016, 110160F (2019) https://doi.org/10.1117/12.2520469

KEYWORDS: Hyperspectral imaging, Inspection, Near infrared, Imaging systems, Defect inspection, Visible radiation, Feature extraction, Feature selection, Calibration, Image visualization

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Proceedings Article | 21 May 2018 Presentation + Paper

An unmanned aerial system for the detection of crops with undergraduate project-based learning

S. Wilkerson, A. D. Gadsden, S. A. Gadsden

Proceedings Volume 10664, 106640M (2018) https://doi.org/10.1117/12.2319050

KEYWORDS: Cameras, Nitrogen, Agriculture, Video, Industrial chemicals, Data analysis, Soil science, Transmitters, Near infrared, Unmanned systems

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Proceedings Article | 15 May 2018 Presentation

Development of online whole-surface apple inspection system using line-scan hyperspectral imaging technology (Conference Presentation)

In-Suck Baek, Stephen Andrew Gadsden, Moon Kim

Proceedings Volume 10665, 1066503 (2018) https://doi.org/10.1117/12.2307235

KEYWORDS: Inspection, Line scan image sensors, Hyperspectral imaging, Imaging systems, Food inspection, Machine vision, Safety

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Proceedings Article | 2 May 2017 Paper

Development of a variable structure-based fault detection and diagnosis strategy applied to an electromechanical system

S. Andrew Gadsden, T. Kirubarajan

Proceedings Volume 10200, 102001E (2017) https://doi.org/10.1117/12.2262570

KEYWORDS: Error analysis, Systems modeling, Switching, Matrices, Control systems, Filtering (signal processing), Signal processing, Actuators

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SPIE Journal Paper | 9 March 2017

Advances of the smooth variable structure filter: square-root and two-pass formulations

S. Andrew Gadsden, Andrew Lee

JARS, Vol. 11, Issue 01, 015018, (March 2017) https://doi.org/10.1117/12.10.1117/1.JRS.11.015018

KEYWORDS: Error analysis, Filtering (signal processing), Actuators, Complex systems, Matrices, Nonlinear filtering, Switching, Electronic filtering, Systems modeling, Detection and tracking algorithms

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Proceedings Article | 12 July 2016 Paper

Design of an automated cart and mount for a hyperspectral imaging system to be used in produce fields

Alan Lefcourt, Ross Kistler, S. Andrew Gadsden

Proceedings Volume 9864, 98640R (2016) https://doi.org/10.1117/12.2229493

KEYWORDS: Hyperspectral imaging, Imaging systems, Luminescence, Safety, Cameras, Line scan image sensors, Laser induced fluorescence, Laser optics, Pulsed laser operation, Image acquisition

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Proceedings Article | 19 May 2016 Paper

Proposed health state awareness of helicopter blades using an artificial neural network strategy

Andrew Lee, Ed Habtour, S. Gadsden

Proceedings Volume 9872, 98720C (2016) https://doi.org/10.1117/12.2223356

KEYWORDS: Artificial neural networks, Neural networks, Control systems, Data storage, Aluminum, Evolutionary algorithms, Transducers, Data acquisition, Systems modeling, Nondestructive evaluation

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Proceedings Article | 17 May 2016 Paper

Whole-surface round object imaging method using line-scan hyperspectral imaging system

I. Baek, S. Gadsden, B. K. Cho, H. Lee, M. Kim

Proceedings Volume 9864, 98640Z (2016) https://doi.org/10.1117/12.2225859

KEYWORDS: Hyperspectral imaging, Imaging systems, Line scan image sensors, Inspection, Safety, Line scan image sensors, Safety, Agriculture, Image processing, Chaos, Contamination, Machine vision

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Proceedings Article | 17 May 2016 Paper

A comprehensive comparison of sigma-point Kalman filters applied on a complex maneuvering road

Mohammad AlShabi, Khaled Hatamleh, Samer Al Shaer, Iyad Salameh, S. Andrew Gadsden

Proceedings Volume 9842, 98421I (2016) https://doi.org/10.1117/12.2224233

KEYWORDS: Filtering (signal processing), Roads, Motion models, Error analysis, Sensors, Mechanical engineering, Performance modeling, Electronic filtering, Surface plasmons, Aluminum

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Proceedings Article | 17 May 2016 Paper

Proposed tethered unmanned aerial system for the detection of pollution entering the Chesapeake Bay area

J. Goodman, J. McKay, W. Evans, S. Andrew Gadsden

Proceedings Volume 9866, 98660P (2016) https://doi.org/10.1117/12.2223368

KEYWORDS: Sensors, Pollution, Pollution detection, Infrared sensors, Vegetation, Unmanned aerial vehicles, Remote sensing, Thermography, Agriculture, Contamination

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Proceedings Article | 17 May 2016 Paper

A framework for autonomous and continuous aerial intelligence, surveillance, and reconnaissance operations

Christopher Korpela, Philip Root, Jinho Kim, Stephen Wilkerson, S. Andrew Gadsden

Proceedings Volume 9828, 982803 (2016) https://doi.org/10.1117/12.2223350

KEYWORDS: Video surveillance, Surveillance, Reconnaissance, Intelligence systems, Sensors, Navigation systems, Human-machine interfaces, Unmanned aerial vehicles, Robots, Cameras

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Proceedings Article | 17 May 2016 Paper

A survey of unmanned ground vehicles with applications to agricultural and environmental sensing

Stephanie Bonadies, Alan Lefcourt, S. Andrew Gadsden

Proceedings Volume 9866, 98660Q (2016) https://doi.org/10.1117/12.2224248

KEYWORDS: Agriculture, Unmanned ground vehicles, Robots, Control systems, Imaging spectroscopy, Unmanned aerial vehicles, Robotics, Global Positioning System, Cameras, Inspection

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Proceedings Article | 13 May 2016 Paper

Implementing a dynamometer system on electric motors for unmanned systems

David Hanlon, Andrew Lee, Stephen Wilkerson, Mohammad AlShabi, S. Andrew Gadsden

Proceedings Volume 9837, 98370X (2016) https://doi.org/10.1117/12.2224197

KEYWORDS: Unmanned systems, Mathematical modeling, Control systems, Measurement devices, Computing systems, Analytical research, Signal generators, Aerospace engineering, Signal detection, Diagnostics

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Proceedings Article | 13 May 2016 Paper

Comparison of gradient methods for gain tuning of a PD controller applied on a quadrotor system

Jinho Kim, Stephen Wilkerson, S. Andrew Gadsden

Proceedings Volume 9837, 98370V (2016) https://doi.org/10.1117/12.2223329

KEYWORDS: Control systems, Unmanned aerial vehicles, Device simulation, Computer simulations, Optimization (mathematics), Visual process modeling, Fuzzy logic, Process control, Neodymium, Analytical research

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Proceedings Article | 13 May 2016 Paper

LiPo battery energy studies for improved flight performance of unmanned aerial systems

K. Chang, P. Rammos, S. Wilkerson, M. Bundy, S. Andrew Gadsden

Proceedings Volume 9837, 98370W (2016) https://doi.org/10.1117/12.2223352

KEYWORDS: Algorithm development, Systems modeling, Wind energy, Data modeling, Control systems, Surveillance, Mathematical modeling, Robotics, Statistical modeling, Data acquisition

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Proceedings Article | 9 May 2016 Paper

Development of an autonomous unmanned aerial system for atmospheric data collection and research

Andrew Lee, David Hanlon, Ricardo Sakai, Vernon Morris, Belay Demoz, S. Andrew Gadsden

Proceedings Volume 9862, 98620A (2016) https://doi.org/10.1117/12.2224547

KEYWORDS: Earth's atmosphere, Atmospheric chemistry, Atmospheric physics, Chemistry, Sensors, Global Positioning System, Humidity, Atmospheric modeling, Atmospheric monitoring, Physics

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Proceedings Article | 22 May 2015 Paper

System and mathematical modeling of quadrotor dynamics

Jacob Goodman, Jinho Kim, S. Andrew Gadsden, Stephen Wilkerson

Proceedings Volume 9468, 94680R (2015) https://doi.org/10.1117/12.2185196

KEYWORDS: Systems modeling, Mathematical modeling, Control systems, Aerodynamics, Motion models, Instrument modeling, Algorithm development, Robotics, MATLAB, Environmental monitoring

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Proceedings Article | 21 May 2015 Paper

Square-root formulation of the SVSF with applications to nonlinear target tracking problems

S. Gadsden, Mohammad AlShabi, T. Kirubarajan

Proceedings Volume 9474, 947408 (2015) https://doi.org/10.1117/12.2177226

KEYWORDS: Filtering (signal processing), Error analysis, Complex systems, Detection and tracking algorithms, Electronic filtering, Nonlinear filtering, Numerical stability, Matrices, Sensors, Switching

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Proceedings Article | 21 May 2015 Paper

Two-pass smoother based on the SVSF estimation strategy

S. Gadsden, Mohammad AlShabi, T. Kirubarajan

Proceedings Volume 9474, 947409 (2015) https://doi.org/10.1117/12.2177256

KEYWORDS: Filtering (signal processing), Actuators, Error analysis, Aerospace engineering, Systems modeling, Complex systems, Matrices, Switching, Electronic filtering, Monte Carlo methods

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Proceedings Article | 21 May 2015 Paper

The cubature smooth variable structure filter estimation strategy applied to a quadrotor controller

Mohammad AlShabi, S. Gadsden, S. Wilkerson

Proceedings Volume 9474, 94741I (2015) https://doi.org/10.1117/12.2181250

KEYWORDS: Filtering (signal processing), Nonlinear filtering, Electronic filtering, Error analysis, Sensors, Complex systems, Linear filtering, Computing systems, Matrices, Data modeling

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Proceedings Article | 5 May 2011 Paper

Application of the smooth variable structure filter to a multi-target tracking problem

S. Gadsden, D. Dunne, R. Tharmarasa, S. R. Habibi, T. Kirubarajan

Proceedings Volume 8050, 805009 (2011) https://doi.org/10.1117/12.884063

KEYWORDS: Filtering (signal processing), Electronic filtering, Complex systems, Error analysis, Signal processing, Ions, Statistical analysis, Nonlinear filtering, Sensors, Neodymium

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Proceedings Article | 3 September 2009 Paper

Comparison of extended and unscented Kalman, particle, and smooth variable structure filters on a bearing-only target tracking problem

S. Gadsden, D. Dunne, S. Habibi, T. Kirubarajan

Proceedings Volume 7445, 74450B (2009) https://doi.org/10.1117/12.825424

KEYWORDS: Error analysis, Particles, Filtering (signal processing), Nonlinear filtering, Complex systems, Electronic filtering, Systems modeling, Sensors, Particle filters, Matrices

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