Dr. Jonathan M. Nichols Profile

Dr. Jonathan M. Nichols

Research Scientist at US Naval Research Lab

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Author

Publications (38)

Proceedings Article | 20 June 2014 Paper

Real-time target tracking for a 360-degree panoramic IR imager

C. Olson, J. Nichols, J. Waterman

Proceedings Volume 9091, 909108 (2014) https://doi.org/10.1117/12.2054219

KEYWORDS: Detection and tracking algorithms, Imaging systems, Panoramic photography, Infrared imaging, Systems modeling, Graphics processing units, Sensors, Ions, Analytical research, Environmental sensing

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Proceedings Article | 22 May 2014 Paper

Fixing basis mismatch in compressively sampled photonic link

J. Nichols, A. Oh, R. Willett, F. Bucholtz, C. McLaughlin

Proceedings Volume 9118, 91180N (2014) https://doi.org/10.1117/12.2053739

KEYWORDS: Error analysis, Reconstruction algorithms, Associative arrays, Analytical research, Computer programming, Computer engineering, Process modeling, Chemical elements, Photonics systems, Modulation

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SPIE Journal Paper | 22 November 2013

Selecting among competing models of electro-optic, infrared camera system range performance

Jonathan Nichols, James Hines, James Nichols

OE, Vol. 52, Issue 11, 113108, (November 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.11.113108

KEYWORDS: Electro optical modeling, Data modeling, Cameras, Performance modeling, Thermal modeling, Electro optics, Infrared cameras, Imaging systems, Optical engineering, Mid-IR

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SPIE Journal Paper | 17 July 2013

Automated detection of watercraft in short-wave infrared imagery

Colin Olson, K. Peter Judd, Krishnan Chander, Andrew Smith, Max Conant, Jonathan Nichols, James Waterman

OE, Vol. 52, Issue 07, 073109, (July 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.7.073109

KEYWORDS: Wavelets, Target detection, Short wave infrared radiation, Infrared imaging, Sensors, Associative arrays, Infrared radiation, Wavelet transforms, Linear filtering, Infrared detectors

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Proceedings Article | 8 June 2012 Paper

Improving sparse representation algorithms for maritime video processing

J. Nichols, J. Waterman, K. Judd, C. Olson, L. Smith

Proceedings Volume 8365, 836508 (2012) https://doi.org/10.1117/12.920756

KEYWORDS: Associative arrays, Data modeling, Image quality, Image compression, Super resolution, Denoising, Chemical species, Wavelets, Video, Short wave infrared radiation

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Proceedings Article | 18 May 2012 Paper

Discriminative dictionaries for automated target recognition

C. Olson, L. Smith, J. M. Nichols, K. Judd

Proceedings Volume 8392, 83920N (2012) https://doi.org/10.1117/12.920725

KEYWORDS: Associative arrays, Data modeling, Detection and tracking algorithms, Target detection, Electro optical modeling, Image processing, Target recognition, Wavelets, Statistical modeling, Infrared imaging

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Proceedings Article | 3 May 2012 Paper

Watercraft detection in short-wave infrared imagery using a tailored wavelet basis

K. Chander, K. Judd, J. M. Nichols, M. Conant, C. Olson, A. Smith

Proceedings Volume 8391, 83910K (2012) https://doi.org/10.1117/12.919943

KEYWORDS: Wavelets, Target detection, Detection and tracking algorithms, Discrete wavelet transforms, Neodymium, Associative arrays, Infrared imaging, Short wave infrared radiation, Infrared radiation, Edge detection

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SPIE Journal Paper | 9 February 2012

Passive shortwave infrared broadband and hyperspectral imaging in a maritime environment

K. Peter Judd, Jonathan Nichols, J. Grant Howard, James Waterman, Kenneth Vilardebo

OE, Vol. 51, Issue 1, 013202, (February 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.1.013202

KEYWORDS: Short wave infrared radiation, Sensors, Infrared radiation, Shortwaves, Infrared imaging, Hyperspectral imaging, Imaging systems, Ocean optics, Staring arrays, Water

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SPIE Journal Paper | 1 July 2011 Open Access

Compressed sensing for practical optical imaging systems: a tutorial

Rebecca Willett, Roummel Marcia, Jonathan Nichols

OE, Vol. 50, Issue 07, 072601, (July 2011) https://doi.org/10.1117/12.10.1117/1.3596602

KEYWORDS: Imaging systems, Compressed sensing, Cameras, Image resolution, Staring arrays, Image compression, Optical imaging, Video, Infrared imaging, Image restoration

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Proceedings Article | 21 May 2011 Paper

Influence of Spinel head window thickness on the performance characteristics of a submarine panoramic infrared imaging system

Shyam Bayya, Ish Aggarwal, Jas Sanghera, Jim Waterman, Jonathan Nichols

Proceedings Volume 8012, 80122C (2011) https://doi.org/10.1117/12.884521

KEYWORDS: Spinel, Imaging systems, Sensors, Head, Panoramic photography, Cameras, Infrared imaging, Mid-IR, Silica, Germanium

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Proceedings Article | 5 May 2011 Paper

On the use of diffusion maps for image fusion

J. Nichols, F. Bucholtz, C. Olson, K. P. Judd

Proceedings Volume 8050, 80501D (2011) https://doi.org/10.1117/12.884266

KEYWORDS: Diffusion, Sensors, Image fusion, Data acquisition, Physics, Data fusion, Principal component analysis, Image registration, Signal processing, Analytical research

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SPIE Journal Paper | 1 November 2010

Modeling and analysis of a high-performance midwave infrared panoramic periscope

Jonathan Nichols, James Waterman, Raghu Menon, John Devitt

OE, Vol. 49, Issue 11, 113202, (November 2010) https://doi.org/10.1117/12.10.1117/1.3505866

KEYWORDS: Sensors, Modulation transfer functions, Panoramic photography, Mid-IR, Imaging systems, Cameras, Thermal modeling, Electronics, Black bodies, Mirrors

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Proceedings Article | 13 May 2010 Paper

Improved outlier identification in hyperspectral imaging via nonlinear dimensionality reduction

F. Bucholtz, J. Michalowicz, C. Olson, J. Nichols

Proceedings Volume 7695, 769507 (2010) https://doi.org/10.1117/12.851811

KEYWORDS: Diffusion, Hyperspectral imaging, Distance measurement, Sensors, Principal component analysis, Associative arrays, Target detection, Sensor performance, Detection and tracking algorithms, Receivers

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Proceedings Article | 4 May 2010 Paper

Passive shortwave infrared technology and hyperspectral imaging for maritime applications

J. Nichols, James Waterman, K. Peter Judd

Proceedings Volume 7660, 766008 (2010) https://doi.org/10.1117/12.850262

KEYWORDS: Sensors, Short wave infrared radiation, Hyperspectral imaging, Ocean optics, Image sensors, Staring arrays, Imaging systems, Infrared technology, Environmental sensing, Water

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Proceedings Article | 4 May 2010 Paper

Performance characteristics of a submarine panoramic infrared imaging sensor

J. Waterman, Raghu Menon, J. Nichols, John Devitt

Proceedings Volume 7660, 766005 (2010) https://doi.org/10.1117/12.850254

KEYWORDS: Sensors, Electronics, Cameras, Imaging systems, Nonuniformity corrections, Modulation transfer functions, Panoramic photography, Mid-IR, Infrared sensors, Radio optics

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Proceedings Article | 11 May 2009 Paper

An optimal nonlinear filter for detecting non-normality in a signal using the bicoherence

Jonathan Nichols, Colin Olson, Joseph Michalowicz, Frank Bucholtz

Proceedings Volume 7336, 73361D (2009) https://doi.org/10.1117/12.818483

KEYWORDS: Nonlinear filtering, Signal detection, Signal processing, Receivers, Statistical analysis, Electronic filtering, Linear filtering, Sensors, Complex systems, Analytical research

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Proceedings Article | 30 April 2009 Paper

Tailored disruption of phase-locked loops via evolutionary algorithms

J. Nichols, F. Bucholtz, C. Olson, J. Michalowicz

Proceedings Volume 7347, 73470S (2009) https://doi.org/10.1117/12.818487

KEYWORDS: Modulation, Phase shift keying, Oscillators, Evolutionary algorithms, Sensors, Signal detection, Linear filtering, Electronic filtering, Complex systems, Ordinary differential equations

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Proceedings Article | 10 April 2008 Paper

Nonlinearity detection in multiple degree-of-freedom systems using the auto-bispectral density

Jonathan Nichols, Pier Marzocca, Attilio Milanese

Proceedings Volume 6935, 69350N (2008) https://doi.org/10.1117/12.776322

KEYWORDS: Sensors, Sensor performance, Estimation theory, Analytical research, Complex systems, Receivers, Fourier transforms, Statistical analysis, Error analysis, Mechanical engineering

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Proceedings Article | 10 April 2008 Paper

The analytical trispectrum for multiple degree-of-freedom systems possessing cubic nonlinearity

Jonathan Nichols, Pier Marzocca, Attilio Milanese

Proceedings Volume 6935, 69350O (2008) https://doi.org/10.1117/12.776495

KEYWORDS: Fourier transforms, Signal processing, Complex systems, Estimation theory, Analytical research, Statistical analysis, Data acquisition, Direct methods, System identification, Ordinary differential equations

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Proceedings Article | 19 April 2007 Paper

Quantification of damage detection schemes using receiver operating characteristic (ROC) curves

Stephen Trickey, Mark Seaver, Jon Nichols

Proceedings Volume 6531, 653107 (2007) https://doi.org/10.1117/12.715210

KEYWORDS: Composites, Damage detection, Receivers, Fourier transforms, Sensors, Data modeling, Fiber optics, Structural health monitoring, Metals, Lamps

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Proceedings Article | 11 April 2007 Paper

Development of higher-order spectra for randomly excited quadratic nonlinear systems: Volterra functional series approach

P. Marzocca, J. Nichols, S. Trickey, A. Milanese, M. Seaver

Proceedings Volume 6532, 65320W (2007) https://doi.org/10.1117/12.715328

KEYWORDS: Complex systems, Dynamical systems, Numerical simulations, Intermodulation, Structural health monitoring, Systems modeling

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Proceedings Article | 11 April 2007 Paper

Characterizing the auto-bispectrum as a detector of nonlinearity in structural systems

Pier Marzocca, Attilio Milanese, Jonathan Nichols

Proceedings Volume 6532, 65320X (2007) https://doi.org/10.1117/12.715203

KEYWORDS: Sensors, Probability theory, Fourier transforms, Analytical research, Direct methods, Receivers, Complex systems, Stochastic processes, Sensor performance, Numerical simulations

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Proceedings Article | 1 November 2006 Paper

Modeling and measurement of accuracy/distortion in an operationally passive FBG demodulation technique

F. Bucholtz, M. Seaver, J. Nichols, M. Todd, S. Trickey

Proceedings Volume 6371, 63710G (2006) https://doi.org/10.1117/12.684786

KEYWORDS: Demodulation, Distortion, Fiber Bragg gratings, Error analysis, Signal to noise ratio, Photodetectors, Interferometers, Optical filters, Fiber optics sensors, Interference (communication)

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Proceedings Article | 30 March 2006 Paper

Analysis of accuracy error and distortion in an operationally passive interferometric demodulation technique

Jonathan Nichols, M. Todd, Stephen Trickey, Mark Seaver

Proceedings Volume 6167, 61671E (2006) https://doi.org/10.1117/12.657146

KEYWORDS: Error analysis, Distortion, Demodulation, Fiber Bragg gratings, Signal to noise ratio, Interferometry, Photodetectors, Optical filters, Fiber optics sensors, Tunable filters

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Proceedings Article | 20 March 2006 Paper

A comparison of time series analysis algorithms for detection of barely visible impact damage in UAV wings

Mary Ann Harrison, Mark Seaver, Daniel Pecora, Steven Knudsen, Louis Pecora, Jonathan Nichols, Steve Trickey

Proceedings Volume 6176, 61760B (2006) https://doi.org/10.1117/12.657884

KEYWORDS: Sensors, Unmanned aerial vehicles, Skin, Time series analysis, Composites, Statistical analysis, Manufacturing, Fractal analysis, Fiber Bragg gratings, Stochastic processes

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Proceedings Article | 15 March 2006 Paper

Identifying delamination in an experimental composite UAV wing subject to ambient gust loading

Stephen Trickey, Daniel Pecora, Jonathan Nichols, Mark Seaver

Proceedings Volume 6177, 617704 (2006) https://doi.org/10.1117/12.659241

KEYWORDS: Composites, Unmanned aerial vehicles, Sensors, Fourier transforms, Structural health monitoring, Foam, Carbon, Skin, Fiber optics sensors, Complex systems

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Proceedings Article | 9 May 2005 Paper

Avoiding the need for baseline data: an information-theoretic approach to detecting damage-induced nonlinearities in structures

Mark Seaver, Jonathan Nichols, Stephen Trickey

Proceedings Volume 5768, (2005) https://doi.org/10.1117/12.599526

KEYWORDS: Sensors, Composites, Structural health monitoring, Information technology, Algorithms, Data modeling, Fiber optics sensors, Feature extraction, Signal processing, Complex systems

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Proceedings Article | 9 May 2005 Paper

Detecting generalized dynamic inter-relationship in a frame experiment with measures of information flow and interdependence

L. Overbey, J. Nichols, C. Olson, M. Todd

Proceedings Volume 5768, (2005) https://doi.org/10.1117/12.599110

KEYWORDS: Structural health monitoring, Data modeling, Feature extraction, System identification, Modal analysis, Data processing, Nondestructive evaluation, Analytical research, Statistical analysis, Stochastic processes

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Proceedings Article | 8 December 2004 Paper

High-performance fiber optic systems for damage detection and structural health monitoring

Linda Moniz, Stephen Trickey, Michael Todd, Mark Seaver, Lou Pecora, Jonathan Nichols

Proceedings Volume 5590, (2004) https://doi.org/10.1117/12.580335

KEYWORDS: Sensors, Fiber Bragg gratings, Structural health monitoring, Damage detection, Bridges, Demodulation, Composites, Fiber optics sensors, Oscillators, Fiber optics

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Proceedings Article | 21 July 2004 Paper

Use of fiber optic sensors and recurrence quantification analysis in detecting and localizing damage in a thin steel plate

Stephen Trickey, Mark Seaver, Jonathan Nichols

Proceedings Volume 5394, (2004) https://doi.org/10.1117/12.539954

KEYWORDS: Sensors, Structural health monitoring, Fiber optics sensors, Analytical research, Complex systems, Sensing systems, Time metrology, Binary data, Structured optical fibers, Optical filters

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Proceedings Article | 21 July 2004 Paper

Nonlinear excitation and attractor mapping for detecting bolt preload loss in an aluminum frame

Jonathan Nichols, K. Erickson, K. Lee, Michael Todd, L. Chang

Proceedings Volume 5394, (2004) https://doi.org/10.1117/12.538715

KEYWORDS: Aluminum, Structural health monitoring, Sensors, Feature extraction, Control systems, Data modeling, Linear filtering, Data acquisition, Nondestructive evaluation, Stochastic processes

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Proceedings Article | 21 July 2004 Paper

Health monitoring of an aeroelastic system with a freeplay nonlinearity

Mark Seaver, Stephen Trickey, Jonathan Nichols

Proceedings Volume 5394, (2004) https://doi.org/10.1117/12.540088

KEYWORDS: Aerodynamics, Atmospheric modeling, Error analysis, Systems modeling, Control systems, Structural health monitoring, Atmospheric monitoring, Fluid dynamics, Computational fluid dynamics, Ordinary differential equations

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Proceedings Article | 1 August 2003 Paper

Excitation considerations for attractor property analysis in vibration-based damage detection

Michael Todd, Jonathan Nichols, Stephen Trickey, Mark Seaver

Proceedings Volume 5047, (2003) https://doi.org/10.1117/12.483988

KEYWORDS: Damage detection, Linear filtering, Interference (communication), Principal component analysis, System identification, Complex systems, Electronic filtering, Error analysis, Fiber optics, Systems modeling

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Proceedings Article | 1 August 2003 Paper

Joint degradation assessment in an extended structure using chaotic attractor property analysis

Jonathan Nichols, Michael Todd, Jeannette Wait, Stephen Trickey

Proceedings Volume 5047, (2003) https://doi.org/10.1117/12.483978

KEYWORDS: Sensors, Data modeling, Aluminum, Transducers, Structural health monitoring, Feature extraction, Analytical research, Data acquisition, Machine learning, Reconstruction algorithms

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Proceedings Article | 1 August 2003 Paper

Weld line degradation assessment using chaotic attractor property analysis

Stephen Trickey, Michael Todd, Jonathan Nichols, Mark Seaver

Proceedings Volume 5047, (2003) https://doi.org/10.1117/12.483982

KEYWORDS: Sensors, Fiber Bragg gratings, Oscillators, Control systems, Error analysis, Statistical analysis, Data acquisition, Structural health monitoring, Photography, Data modeling

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Proceedings Article | 1 August 2003 Paper

Signal processing and damage detection in a frame structure excited by chaotic input force

Michael Todd, Jonathan Nichols, Darryll Pines, Liming Salvino

Proceedings Volume 5049, (2003) https://doi.org/10.1117/12.484012

KEYWORDS: Damage detection, Time-frequency analysis, Time metrology, Phase measurement, Algorithm development, Signal processing, Feature extraction, Structural health monitoring, Detection and tracking algorithms, Data modeling

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Proceedings Article | 11 June 2002 Paper

Geometric time-domain methods of vibration-based damage detection

Michael Todd, Stephen Trickey, Jonathan Nichols, Mark Seaver

Proceedings Volume 4702, (2002) https://doi.org/10.1117/12.469870

KEYWORDS: Sensors, Damage detection, Finite element methods, Systems modeling, Oscillators, System identification, Data modeling, Matrices, Linear filtering, Complex systems

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Proceedings Article | 30 July 2001 Paper

Vibration-based damage assessment using local attractor variance

Michael Todd, Louis Pecora, Jonathan Nichols, Lawrence Virgin

Proceedings Volume 4330, (2001) https://doi.org/10.1117/12.434112

KEYWORDS: Electronic filtering, Statistical analysis, Signal processing, Fractal analysis, Linear filtering, Oscillators, Structural health monitoring, Chaos, Complex systems, Feature extraction

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Showing 5 of 38 publications

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