Dr. Thomas T. Lu Profile

Dr. Thomas T. Lu

Senior Researcher at Jet Propulsion Lab

SPIE Involvement:

Conference Program Committee | Author

Publications (74)

Proceedings Article | 27 May 2022 Presentation + Paper

Neurosymbolic hybrid approach to driver collision warning

Kyongsik Yun, Thomas Lu, Alexander Huyen, Patrick Hammer, Pei Wang

Proceedings Volume 12101, 121010G (2022) https://doi.org/10.1117/12.2620209

KEYWORDS: Data modeling, Radar, Performance modeling, LIDAR, Sensors, Visual process modeling, Object recognition, Environmental sensing, Cameras, Logic

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Proceedings Article | 27 May 2022 Paper

A virtual assistant for first responders using natural language understanding and optical character recognition

Vickie Do, Alexander Huyen, Federick Joubert, Mina Gabriel, Kyongsik Yun, Thomas Lu, Edward Chow

Proceedings Volume 12101, 121010C (2022) https://doi.org/10.1117/12.2620729

KEYWORDS: Artificial intelligence, Safety, Databases, Clouds, Optical character recognition, Machine learning, Hazard analysis, Visualization, Information operations

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Proceedings Article | 27 May 2022 Presentation + Paper

TruePAL: an AI assistant for first responder safety

Thomas Lu, Kyongsik Yun, Alexander Huyen, Edward Chow

Proceedings Volume 12101, 121010D (2022) https://doi.org/10.1117/12.2619146

KEYWORDS: Artificial intelligence, Safety, Francium, Sensors, Neural networks, Neurons, Human-machine interfaces, Visualization, Image processing, Image filtering

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Proceedings Article | 12 April 2021 Presentation + Paper

Dynamic fire and smoke detection and classification for flashover prediction

Alexander Huyen, Kyongsik Yun, Sky De Baun, Samuel Wiggins, Jessi Bustos, Thomas Lu, Edward Chow

Proceedings Volume 11735, 1173502 (2021) https://doi.org/10.1117/12.2588175

KEYWORDS: Flame detectors, Infrared sensors, Visible radiation, Temperature metrology, Radiometry, Neural networks, Image classification, Data analysis, Cameras, CMOS sensors

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SPIE Journal Paper | 13 January 2021 Open Access

Separation of color channels from conventional colonoscopy images improves deep neural network detection of polyps

Lily Lai, Andrew Blakely, Marta Invernizzi, James Lin, Trilokesh Kidambi, Kurt Melstrom, Kevin Yu, Thomas Lu

JBO, Vol. 26, Issue 01, 015001, (January 2021) https://doi.org/10.1117/12.10.1117/1.JBO.26.1.015001

KEYWORDS: Image segmentation, Colon, Neural networks, Feature extraction, Colorectal cancer, RGB color model, Error control coding, Image classification, Evolutionary algorithms, Tissues

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Proceedings Article | 20 May 2020 Paper

Transforming unstructured voice and text data into insight for paramedic emergency service using recurrent and convolutional neural networks

Kyongsik Yun, Thomas Lu, Alexander Huyen

Proceedings Volume 11400, 1140006 (2020) https://doi.org/10.1117/12.2558157

KEYWORDS: Speech recognition, Data modeling, Neural networks, Optical character recognition, Convolutional neural networks, Human-machine interfaces, Chest, Detection and tracking algorithms, Performance modeling, Databases

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Proceedings Article | 13 May 2019 Presentation + Paper

Improved visible to IR image transformation using synthetic data augmentation with cycle-consistent adversarial networks

Kyongsik Yun, Kevin Yu, Joseph Osborne, Sarah Eldin, Luan Nguyen, Alexander Huyen, Thomas Lu

Proceedings Volume 10995, 1099502 (2019) https://doi.org/10.1117/12.2519121

KEYWORDS: Infrared imaging, Visible radiation, Neural networks, Image segmentation, 3D image processing, Data conversion, 3D acquisition, Image enhancement, Image processing, 3D modeling

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Proceedings Article | 13 May 2019 Presentation + Paper

Small target detection for search and rescue operations using distributed deep learning and synthetic data generation

Kyongsik Yun, Luan Nguyen, Tuan Nguyen, Doyoung Kim, Sarah Eldin, Alexander Huyen, Thomas Lu, Edward Chow

Proceedings Volume 10995, 1099507 (2019) https://doi.org/10.1117/12.2520250

KEYWORDS: Target detection, Unmanned aerial vehicles, Video, Image segmentation, Surveillance, Target recognition, Image processing, Cameras

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Proceedings Article | 13 May 2019 Presentation + Paper

Optimized training of deep neural network for image analysis using synthetic objects and augmented reality

Thomas Lu, Alexander Huyen, Luan Nguyen, Joseph Osborne, Sarah Eldin, Kyoungsik Yun

Proceedings Volume 10995, 109950I (2019) https://doi.org/10.1117/12.2522198

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Proceedings Article | 9 May 2018 Presentation + Paper

Automatic speech recognition for launch control center communication using recurrent neural networks with data augmentation and custom language model

Kyongsik Yun, Joseph Osborne, Madison Lee, Thomas Lu, Edward Chow

Proceedings Volume 10652, 1065202 (2018) https://doi.org/10.1117/12.2304569

KEYWORDS: Speech recognition, Data modeling, Neural networks, Data centers, Data communications, Detection and tracking algorithms, Modulation, Speaker recognition, Visual process modeling, Machine vision

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Proceedings Article | 30 April 2018 Presentation + Paper

Occluded object reconstruction for first responders with augmented reality glasses using conditional generative adversarial networks

Kyongsik Yun, Thomas Lu, Edward Chow

Proceedings Volume 10649, 106490T (2018) https://doi.org/10.1117/12.2305151

KEYWORDS: Augmented reality, Glasses, Visualization, Mathematical modeling, Network architectures, Brain, Information visualization, Injuries, Transparency, Physics

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Proceedings Article | 30 April 2018 Presentation + Paper

Augmented reality data generation for training deep learning neural network

Kevin Payumo, Alexander Huyen, Landan Seguin, Thomas Lu, Edward Chow, Gil Torres

Proceedings Volume 10649, 106490U (2018) https://doi.org/10.1117/12.2305202

KEYWORDS: Image segmentation, Neural networks, Video, Augmented reality, Data modeling, Image processing, Autoregressive models, Infrared imaging, Image registration, Video acceleration

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Proceedings Article | 27 April 2018 Presentation + Paper

Deep neural network for precision multi-band infrared image segmentation

Thomas Lu, Alexander Huyen, Kevin Payumo, Luis Figueroa, Edward Chow, Gilbert Torres

Proceedings Volume 10649, 1064904 (2018) https://doi.org/10.1117/12.2305134

KEYWORDS: Image segmentation, Neural networks, Image enhancement, Infrared imaging, Image processing, Data modeling, Infrared radiation, Image classification, Neurons, Computer programming

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Proceedings Article | 1 May 2017 Presentation + Paper

Intelligent multi-spectral IR image segmentation

Thomas Lu, Andrew Luong, Stephen Heim, Maharshi Patel, Kang Chen, Tien-Hsin Chao, Edward Chow, Gilbert Torres

Proceedings Volume 10203, 1020303 (2017) https://doi.org/10.1117/12.2262730

KEYWORDS: Image segmentation, Neural networks, Infrared imaging, Shortwaves, Machine vision, Computer vision technology, Image understanding, Short wave infrared radiation, Thermography, Reflectivity, Medium wave, Wavelets, Image filtering, Video, Image processing algorithms and systems, Computing systems, Detection and tracking algorithms

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Proceedings Article | 20 April 2016 Paper

Chip scale broadly tunable laser for laser spectrometer

Tien-Hsin Chao, Thomas Lu, Scott Davis, Michael Anderson

Proceedings Volume 9845, 98450M (2016) https://doi.org/10.1117/12.2229893

KEYWORDS: Waveguides, Liquid crystals, Tunable lasers, Semiconductor lasers, Laser spectroscopy, Spectroscopy, Cladding, Actuators, Electro optics, Absorption

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Proceedings Article | 20 April 2016 Paper

Cross-correlation and image alignment for multi-band IR sensors

Thomas Lu, Tien-Hsin Chao, Kang (Frank) Chen, Andrew Luong, Mallory Dewees, Xinyi Yan, Edward Chow, Gilbert Torres

Proceedings Volume 9845, 984505 (2016) https://doi.org/10.1117/12.2224694

KEYWORDS: Image filtering, Medium wave, Video, Image enhancement

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Proceedings Article | 20 April 2015 Paper

Holographic content addressable storage

Tien-Hsin Chao, Thomas Lu, George Reyes

Proceedings Volume 9477, 94770S (2015) https://doi.org/10.1117/12.2182224

KEYWORDS: Digital micromirror devices, Holography, Crystals, Spatial light modulators, CMOS sensors, Laser crystals, Digital holography, Multiplexing, Holographic data storage systems, Mirrors

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Proceedings Article | 20 April 2015 Paper

Adaptive threshold and error-correction coding for robust data retrieval in optical media

Thomas Lu, Colin Costello, Matthew Ginley-Hidinger, Tien-Hsin Chao

Proceedings Volume 9477, 94770O (2015) https://doi.org/10.1117/12.2180402

KEYWORDS: Binary data, Neural networks, Telecommunications, Optical communications, Thermography, Remote sensing, Data storage, Distortion, Light sources, Signal to noise ratio

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Proceedings Article | 23 September 2014 Paper

Markov random fields for static foreground classification in surveillance systems

Jack Fitzsimons, Thomas Lu

Proceedings Volume 9217, 92171O (2014) https://doi.org/10.1117/12.2062508

KEYWORDS: Surveillance systems, Positron emission tomography, Image segmentation, Classification systems, Computing systems, Image processing, Surveillance, Intelligence systems, Inspection, Detection and tracking algorithms

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Proceedings Article | 5 May 2014 Paper

High-speed optical processing using digital micromirror device

Tien-Hsin Chao, Thomas Lu, Brian Walker, George Reyes

Proceedings Volume 9094, 909402 (2014) https://doi.org/10.1117/12.2054349

KEYWORDS: Digital micromirror devices, Spatial light modulators, Computer generated holography, Optical signal processing, Fourier transforms, Optical filters, Spatial filters, Modulation, Optical design, Defense and security

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Proceedings Article | 5 May 2014 Paper

Addressing channel noise and bit rate in a multi-channel free space optical communication system

Brian Walker, Thomas Lu, Colin Costello, George Reyes, Tien-Hsin Chao

Proceedings Volume 9094, 90940E (2014) https://doi.org/10.1117/12.2054352

KEYWORDS: Cameras, Free space optical communications, Fourier transforms, Mathematical modeling, Optical alignment, Receivers, Binary data, Telecommunications, Spatial light modulators, Data modeling

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Proceedings Article | 5 May 2014 Paper

GPU processing for parallel image processing and real-time object recognition

Kevin Vincent, Damien Nguyen, Brian Walker, Thomas Lu, Tien-Hsin Chao

Proceedings Volume 9094, 909407 (2014) https://doi.org/10.1117/12.2054353

KEYWORDS: Automatic target recognition, Image processing, Principal component analysis, Detection and tracking algorithms, Computing systems, Image filtering, Graphics processing units, Computer programming, Matrices, Matrix multiplication

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Proceedings Article | 30 September 2013 Paper

Small object detection via fast discrete Curvelet transform

Hector Valdez, Thomas Lu, Tien-Hsin Chao

Proceedings Volume 8857, 885703 (2013) https://doi.org/10.1117/12.2025335

KEYWORDS: Target detection, Image processing, Automatic target recognition, Fourier transforms, Detection and tracking algorithms, Chemical species, Image filtering, Visualization, Databases, Video

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Proceedings Article | 29 April 2013 Paper

Optical image processing and pattern recognition algorithms for optimal optical data retrieval

Brian Walker, Thomas Lu, Sean Stuart, George Reyes, Tien-Hsin Chao

Proceedings Volume 8748, 87480L (2013) https://doi.org/10.1117/12.2018264

KEYWORDS: Receivers, Neural networks, Distortion, Binary data, Transmitters, Optical pattern recognition, Reconstruction algorithms, Detection and tracking algorithms, Optical communications, Data transmission

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Proceedings Article | 29 April 2013 Paper

High-speed optical correlator with custom electronics interface design

Tien-Hsin Chao, Thomas Lu

Proceedings Volume 8748, 874803 (2013) https://doi.org/10.1117/12.2018262

KEYWORDS: Digital Light Processing, Spatial light modulators, CMOS sensors, Interfaces, Electronics, Field programmable gate arrays, Automatic target recognition, Optical correlators, Sensors, Mirrors

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Proceedings Article | 4 February 2013 Paper

Optimizing feature selection strategy for adaptive object identification in noisy environment

Sagar Pandya, Thomas Lu, Tien-Hsin Chao

Proceedings Volume 8662, 866209 (2013) https://doi.org/10.1117/12.2005248

KEYWORDS: Detection and tracking algorithms, Feature extraction, Feature selection, Image filtering, Principal component analysis, Automatic target recognition, Computing systems, Machine vision, Computer vision technology, Information visualization

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Proceedings Article | 23 April 2012 Paper

Optimization of support vector machine (SVM) for object classification

Matthew Scholten, Neil Dhingra, Thomas Lu, Tien-Hsin Chao

Proceedings Volume 8398, 839806 (2012) https://doi.org/10.1117/12.923483

KEYWORDS: Automatic target recognition, Detection and tracking algorithms, Optical scanning systems, Target detection, Machine vision, Computer vision technology, Computing systems, Principal component analysis, Reliability, Feature extraction

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Proceedings Article | 23 April 2012 Paper

Composite wavelet filters for enhanced automated target recognition

Jeffrey Chiang, Yuhan Zhang, Thomas Lu, Tien-Hsin Chao

Proceedings Volume 8398, 83980E (2012) https://doi.org/10.1117/12.923482

KEYWORDS: Video, Neural networks, Automatic target recognition, Image filtering, Wavelets, Feature extraction, Cameras, Target detection, Composites, Target recognition

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Proceedings Article | 23 April 2012 Paper

Compact liquid crystal waveguide Fourier transform spectrometer for real-time gas sensing in NIR spectral band

Tien-Hsin Chao, Thomas Lu, Scott Davis, Scott Rommel, George Farca, Ben Luey, Alan Martin, Michael Anderson

Proceedings Volume 8398, 83980H (2012) https://doi.org/10.1117/12.923481

KEYWORDS: Waveguides, Liquid crystals, Fourier transforms, Spectroscopy, Sensors, Light sources, Dispersion, Spectral resolution, Cladding, Gases

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Proceedings Article | 9 February 2012 Paper

Intelligent image analysis for image-guided hair removal and skin therapy

Brian Walker, Thomas Lu, Tien-Hsin Chao

Proceedings Volume 8207, 820707 (2012) https://doi.org/10.1117/12.910741

KEYWORDS: Skin, Wavelets, Automatic target recognition, Laser therapeutics, Image processing, Image enhancement, Light sources and illumination, Algorithm development, Detection and tracking algorithms, Target recognition

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Proceedings Article | 26 April 2011 Paper

Optimization of nonlinear kernel PCA feature extraction algorithms for automatic target recognition

Seth Winger, Thomas Lu, Tien-Hsin Chao

Proceedings Volume 8055, 80550E (2011) https://doi.org/10.1117/12.886148

KEYWORDS: Principal component analysis, Automatic target recognition, Feature extraction, Image processing, Detection and tracking algorithms, Image filtering, Optimization (mathematics), Video, Computing systems, Cameras

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Proceedings Article | 26 April 2011 Paper

Autonomous learning approach for automatic target recognition processor

Tien-Hsin Chao, Thomas Lu

Proceedings Volume 8055, 805502 (2011) https://doi.org/10.1117/12.886145

KEYWORDS: Automatic target recognition, Target recognition, Neural networks, Dynamical systems, Systems modeling, Neurons, Data modeling, Sensors, Data fusion, Improvised explosive devices

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Proceedings Article | 26 April 2011 Paper

Feasibility breadboard demonstration of an imaging Fourier transform spectrometer using solid state time delay

Tien-Hsin Chao, Thomas Lu

Proceedings Volume 8055, 805507 (2011) https://doi.org/10.1117/12.886150

KEYWORDS: Switches, Fourier transforms, Wave plates, Spectroscopy, Polarizers, Electro optics, Light sources, Solid state physics, Prototyping, Sensors

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Proceedings Article | 26 April 2011 Paper

Monolithic liquid crystal waveguide Fourier transform spectrometer for gas species sensing

Tien-Hsin Chao, Thomas Lu, Scott Davis, Scott Rommel, George Farca, Ben Luey, Alan Martin, Michael Anderson

Proceedings Volume 8055, 805506 (2011) https://doi.org/10.1117/12.886146

KEYWORDS: Waveguides, Fourier transforms, Liquid crystals, Sensors, Spectroscopy, Gases, FT-IR spectroscopy, Light sources, Cladding, Neodymium

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Proceedings Article | 7 May 2010 Paper

Optimization of a multi-stage ATR system for small target identification

Tsung Han (Hank) Lin, Thomas Lu, Henry Braun, Weston Edens, Yuhan Zhang, Tien-Hsin Chao, Christopher Assad, Terrance Huntsberger

Proceedings Volume 7696, 76961Y (2010) https://doi.org/10.1117/12.858165

KEYWORDS: Neural networks, Neurons, Video, Automatic target recognition, Target recognition, Image filtering, Principal component analysis, Feature extraction, Light sources and illumination, Optical filters

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Proceedings Article | 13 April 2010 Paper

Feature extraction and selection strategies for automated target recognition

W. Nicholas Greene, Yuhan Zhang, Thomas Lu, Tien-Hsin Chao

Proceedings Volume 7703, 77030B (2010) https://doi.org/10.1117/12.848007

KEYWORDS: Principal component analysis, Independent component analysis, Feature extraction, Automatic target recognition, Image filtering, Target recognition, Target detection, MATLAB, Dimension reduction, Optical filters

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Proceedings Article | 13 April 2009 Paper

Automatic target recognition (ATR) performance improvement using integrated grayscale optical correlator and neural network

Tien-Hsin Chao, Thomas Lu

Proceedings Volume 7340, 734003 (2009) https://doi.org/10.1117/12.820948

KEYWORDS: Digital Light Processing, Spatial light modulators, Digital micromirror devices, Automatic target recognition, Neural networks, Optical filters, Image filtering, Optical correlators, Feature extraction, Fourier transforms

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Proceedings Article | 13 April 2009 Paper

Neural network target identification system for false alarm reduction

David Ye, Weston Edens, Thomas Lu, Tien-Hsin Chao

Proceedings Volume 7340, 73400K (2009) https://doi.org/10.1117/12.820949

KEYWORDS: Image filtering, Neural networks, Mining, Feature extraction, Target detection, Wavelet transforms, Image processing, Neurons, Target recognition, Computing systems

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Proceedings Article | 13 April 2009 Paper

Optimization of OT-MACH filter generation for target recognition

Oliver Johnson, Weston Edens, Thomas Lu, Tien-Hsin Chao

Proceedings Volume 7340, 734008 (2009) https://doi.org/10.1117/12.820950

KEYWORDS: Image filtering, Digital filtering, Missiles, Target detection, Optimal filtering, Image processing, Target recognition, Optical filters, Detection and tracking algorithms, Video

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Proceedings Article | 13 April 2009 Paper

Visual target tracking in the presence of unknown observer motion

Stephen Williams, Thomas Lu

Proceedings Volume 7340, 73400F (2009) https://doi.org/10.1117/12.820952

KEYWORDS: Cameras, Video, Motion models, Optical tracking, Filtering (signal processing), Visual process modeling, Target recognition, 3D modeling, Visualization, Motion estimation

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Proceedings Article | 17 March 2008 Paper

Grayscale optical correlator for CAD/CAC applications

Tien-Hsin Chao, Thomas Lu

Proceedings Volume 6977, 697704 (2008) https://doi.org/10.1117/12.785873

KEYWORDS: Target detection, Optical correlators, Image filtering, Automatic target recognition, Land mines, Neural networks, Detection and tracking algorithms, Algorithm development, Mining, Tolerancing

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Proceedings Article | 17 March 2008 Paper

Compact liquid crystal waveguide based Fourier transform spectrometer for in-situ and remote gas and chemical sensing

Tien-Hsin Chao, Thomas Lu, Scott Davis, Scott Rommel, George Farca, Ben Luey, Alan Martin, Michael Anderson

Proceedings Volume 6977, 69770P (2008) https://doi.org/10.1117/12.785888

KEYWORDS: Waveguides, Liquid crystals, Fourier transforms, Sensors, Electro optics, Spectroscopy, Cladding, Polarization, Prototyping, Mirrors

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Proceedings Article | 25 February 2008 Paper

Rapid 360 degree imaging and stitching of 3D objects using multiple precision 3D cameras

Thomas Lu, Stuart Yin, Jianzhong Zhang, Jiangan Li, Frank Wu

Proceedings Volume 6805, 680506 (2008) https://doi.org/10.1117/12.766856

KEYWORDS: 3D modeling, Imaging systems, Stereoscopic cameras, Cameras, Raster graphics, 3D image processing, Digital cameras, Calibration, Projection systems, Data modeling

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Proceedings Article | 25 February 2008 Paper

Intelligent noncontact surgeon-computer interface using hand gesture recognition

Michael Zhao, Andreas Nowatzyk, Thomas Lu, Daniel Farkas

Proceedings Volume 6805, 68050U (2008) https://doi.org/10.1117/12.766870

KEYWORDS: Neural networks, Cameras, Surgery, Gesture recognition, Feature extraction, Human-machine interfaces, Light sources and illumination, 3D image processing, Algorithm development, Evolutionary algorithms

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Proceedings Article | 3 May 2007 Paper

Evaluation of holographic subsurface radar for NDE of space shuttle thermal protection tiles

Thomas Lu, Cooper Snapp, Tien-Hsin Chao, Anilkumar Thakoor, Tim Bechtel, Sergey Ivashov, Igor Vasiliev

Proceedings Volume 6555, 65550S (2007) https://doi.org/10.1117/12.719911

KEYWORDS: Radar, Holography, Nondestructive evaluation, Aluminum, Image processing, Dielectrics, Foam, Microwave radiation, Inspection, 3D image processing

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Proceedings Article | 9 April 2007 Paper

Machine intelligence-based decision-making (MIND) for automatic anomaly detection

Nadipuram Prasad, Jason King, Thomas Lu

Proceedings Volume 6574, 65740F (2007) https://doi.org/10.1117/12.723635

KEYWORDS: Systems modeling, Dynamical systems, Machine learning, Intelligence systems, Improvised explosive devices, Electro optical modeling, Chaos, Signal detection, Sensors, Motion models

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Proceedings Article | 9 April 2007 Paper

System issues of developing grayscale optical correlator for ATR applications

Tien-Hsin Chao, Thomas Lu

Proceedings Volume 6574, 657405 (2007) https://doi.org/10.1117/12.723632

KEYWORDS: Target detection, Automatic target recognition, Optical correlators, Spatial light modulators, Image filtering, Neural networks, Image processing, Computer programming, Optical filters, Liquid crystals

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Proceedings Article | 9 April 2007 Paper

A neural network identification system for space-borne GCMS pattern recognition

Thomas Lu, Tien-Hsin Chao

Proceedings Volume 6574, 65740E (2007) https://doi.org/10.1117/12.723633

KEYWORDS: Neural networks, Neurons, Chemical compounds, Calibration, Signal processing, Databases, Bioalcohols, Pattern recognition, Evolutionary algorithms, Oxygen

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Proceedings Article | 19 May 2006 Paper

Real-time composite pattern demodulation using optical correlators

Daniel Lau, Laurence Hassebrook, Thomas Lu, Tien-Hsin Chao

Proceedings Volume 6220, 62200F (2006) https://doi.org/10.1117/12.665902

KEYWORDS: Composites, Spatial light modulators, Laser imaging, Cameras, Video, Image processing, Modulation, Demodulation, Optical correlators, Structured light

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Proceedings Article | 17 April 2006 Paper

A high resolution and high speed 3D imaging system and its application on ATR

Thomas Lu, Tien-Hsin Chao

Proceedings Volume 6245, 62450L (2006) https://doi.org/10.1117/12.673442

KEYWORDS: 3D modeling, Cameras, 3D image processing, Imaging systems, 3D acquisition, Calibration, Digital cameras, Visual process modeling, 3D vision, 3D metrology

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Proceedings Article | 17 April 2006 Paper

Recent progress on grayscale optical correlator for automatic target recognition

Tien-Hsin Chao, Thomas Lu, Hanying Zhou

Proceedings Volume 6245, 624503 (2006) https://doi.org/10.1117/12.673441

KEYWORDS: Spatial light modulators, Image filtering, Optical filters, Automatic target recognition, Optical correlators, Algorithm development, Detection and tracking algorithms, Photodetectors, Target detection, Image segmentation

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Proceedings Article | 10 September 2005 Paper

Neural network post-processing of grayscale optical correlator

Thomas Lu, Casey Hughlett, Hanying Zhou, Tien-Hsin Chao, Jay Hanan

Proceedings Volume 5908, 590810 (2005) https://doi.org/10.1117/12.615573

KEYWORDS: Neural networks, Image filtering, Neurons, Optical correlators, Optical filters, Cameras, Detection and tracking algorithms, Pattern recognition, Image segmentation, Composites

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Proceedings Article | 28 March 2005 Paper

Closed-loop automatic target recognition and monitoring system

Jay Hanan, Tien-Hsin Chao, Christopher Assad, Casey Hughlett, Hanying Zhou, Thomas Lu

Proceedings Volume 5816, (2005) https://doi.org/10.1117/12.607970

KEYWORDS: Neural networks, Automatic target recognition, Target detection, Optical correlators, Target recognition, Detection and tracking algorithms, Spatial light modulators, Computer simulations, Optical tracking, Digital filtering

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Proceedings Article | 28 March 2005 Paper

Development of streamlined OT-MACH-based ATR algorithm for grayscale optical correlator

Hanying Zhou, Casey Hughlett, Jay Hanan, Thomas Lu, Tien-Hsin Chao

Proceedings Volume 5816, (2005) https://doi.org/10.1117/12.607969

KEYWORDS: Image filtering, Algorithm development, Automatic target recognition, Detection and tracking algorithms, Optical correlators, Optical filters, Image analysis, Target detection, Software development, Distortion

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Proceedings Article | 9 June 1998 Paper

Online multispectral image analysis using an unsupervised neural network

Thomas Lu, Sizhe Tan, Rongqing Lu, Jeremy Lerner

Proceedings Volume 3261, (1998) https://doi.org/10.1117/12.310556

KEYWORDS: Neural networks, Hyperspectral imaging, Image analysis, Signal to noise ratio, Signal processing, Image processing, Image enhancement, Multispectral imaging, Imaging spectroscopy, Spectroscopy

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Proceedings Article | 9 June 1998 Paper

Spectral topography of histopathological samples

Jeremy Lerner, Thomas Lu, Sandor Vari

Proceedings Volume 3261, (1998) https://doi.org/10.1117/12.310557

KEYWORDS: Microscopes, Imaging spectroscopy, Spectroscopy, Neural networks, Data acquisition, Data processing, Imaging systems, Spectrographs, Optical filters, Calibration

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SPIE Journal Paper | 1 August 1996

Compact holographic optical neural network system for real-time pattern recognition

Thomas Lu, David Mintzer, Andrew Kostrzewski, Freddie Lin

OE, Vol. 35, Issue 08, (August 1996) https://doi.org/10.1117/12.10.1117/1.600792

KEYWORDS: Neural networks, Neurons, Holography, Holograms, Pattern recognition, Spatial light modulators, Diffusers, Diffraction, CCD cameras, Imaging systems

Proceedings Article | 3 April 1995 Paper

Novel approach to the use of neural networks to solve real-world analytical problems

Jeremy Lerner, Thomas Lu, David Mintzer, Sean Zhao

Proceedings Volume 2386, (1995) https://doi.org/10.1117/12.206022

KEYWORDS: Neural networks, Neurons, Raman spectroscopy, Chemical elements, Spectroscopy, Detection and tracking algorithms, Signal processing, Environmental monitoring, Medical diagnostics, Evolutionary algorithms

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Proceedings Article | 1 February 1994 Paper

Large-scale holographic neuron system for multispectral sensor fusion and high-speed signal processing

Thomas Lu, Freddie Lin, Andrew Kostrzewski, Jeremy Lerner

Proceedings Volume 2093, (1994) https://doi.org/10.1117/12.172518

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Proceedings Article | 9 November 1993 Paper

Large-scale neural network model for multiclass pattern recognition

Thomas Lu, Freddie Lin, Hung Chou, Andrew Kostrzewski, Jenkin Chen

Proceedings Volume 2026, (1993) https://doi.org/10.1117/12.163590

KEYWORDS: Neural networks, Neurons, Composites, Pattern recognition, Binary data, Nonlinear filtering, Optical filters, Linear filtering, Feature extraction, Logic

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Proceedings Article | 25 October 1993 Paper

Scale-, translation-, and rotation-invariant all-optical processor based on intensity-to-phase coding

Lev Sadovnik, Alexander Sawchuk, Thomas Lu, Andrew Kostrzewski

Proceedings Volume 1959, (1993) https://doi.org/10.1117/12.160299

KEYWORDS: Image processing, Diffraction, Optical pattern recognition, Halftones, Diffraction gratings, Phase shift keying, Modulation, Optically addressed spatial light modulators, Spatial light modulators, Binary data

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Proceedings Article | 1 July 1993 Paper

Holographic optical interconnect for signal processing and recognition applications

Freddie Lin, Thomas Lu, Andrew Kostrzewski, Hung Chou

Proceedings Volume 1849, (1993) https://doi.org/10.1117/12.147112

KEYWORDS: Holography, Holograms, Optical interconnects, Spatial light modulators, Logic, Diffusers, Optoelectronics, Sensors, Signal processing, Digital holography

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Proceedings Article | 2 February 1993 Paper

Performance evaluation of a holographic optical neural network system

Thomas Lu, Andrew Kostrzewski, Hung Chou, Shudong Wu, Freddie Lin

Proceedings Volume 1773, (1993) https://doi.org/10.1117/12.983187

KEYWORDS: Neural networks, Neurons, Pattern recognition, Holograms, CCD cameras, Holography, Image processing, Spatial light modulators, Computer simulations, Parallel processing

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Proceedings Article | 1 October 1992 Paper

Optical N4 correlator implementation of 2D wavelet transform

Yunlong Sheng, Thomas Lu, Danny Roberge

Proceedings Volume 1705, (1992) https://doi.org/10.1117/12.138468

KEYWORDS: Wavelets, Optical filters, Optical correlators, Fourier transforms, Spatial light modulators, Image filtering, Wavelet transforms, Bandpass filters, Linear filtering, Image enhancement

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SPIE Journal Paper | 1 September 1992

Optical N₄ implementation of a two-dimensional wavelet transform

Yunlong Sheng, Thomas Lu, Danny Roberge, H. John Caulfield

OE, Vol. 31, Issue 09, (September 1992) https://doi.org/10.1117/12.10.1117/12.59962

KEYWORDS: Wavelets, Optical filters, Wavelet transforms, Holography, Optical correlators, Fourier transforms, Spatial light modulators, Transmittance, Holograms, Signal processing

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Proceedings Article | 24 August 1992 Paper

Holographic-based digital optical processor for signal and data processing applications

Robert Kaminski, Freddie Lin, Andrew Kostrzewski, Thomas Lu, Hung Chou

Proceedings Volume 1704, (1992) https://doi.org/10.1117/12.139924

KEYWORDS: Holograms, Logic, Holography, Digital holography, Content addressable memory, Symbolic substitution, Signal processing, Computer programming, Digital signal processing, Optical signal processing

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Proceedings Article | 1 July 1992 Paper

Portable holographic neural system for distortion-invariant pattern recognition and tracking in controlled environment

Andrew Kostrzewski, Thomas Lu, Hung Chou, Freddie Lin

Proceedings Volume 1701, (1992) https://doi.org/10.1117/12.138339

KEYWORDS: Neural networks, Image processing, Holography, Neurons, Automatic target recognition, Target recognition, Optical pattern recognition, Signal to noise ratio, Image segmentation, Computer simulations

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Proceedings Article | 30 April 1992 Paper

Digital optical programmable multiprocessor system for image processing and target recognition

Andrew Kostrzewski, Thomas Lu, Hung Chou, Freddie Lin

Proceedings Volume 1659, (1992) https://doi.org/10.1117/12.58398

KEYWORDS: Logic, Image processing, Sensors, Holograms, Computer programming, Content addressable memory, Holography, Logic devices, Optical signal processing, Computing systems

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Proceedings Article | 11 November 1991 Paper

Optical interconnect and neural network applications based on a simplified holographic N4 recording technique

Freddie Lin, Thomas Lu, Andrew Kostrzewski, Hung Chou

Proceedings Volume 1558, (1991) https://doi.org/10.1117/12.49646

KEYWORDS: Holography, Neural networks, Neurons, Spatial light modulators, Diffusers, Holograms, Wave propagation, Scattering, Beam splitters, Target recognition

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Proceedings Article | 1 September 1991 Paper

Hetero-association for pattern translation

Francis Yu, Thomas Lu, Xiangyang Yang

Proceedings Volume 1507, (1991) https://doi.org/10.1117/12.47044

KEYWORDS: Neurons, Neural networks, Holography, Space operations, Pattern recognition, Liquid crystals, Televisions, Mathematical modeling, Content addressable memory, Silicon

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SPIE Journal Paper | 1 September 1990

Self-organizing optical neural network for unsupervised learning

Thomas Lu, Francis Yu, Don Gregory

OE, Vol. 29, Issue 09, (September 1990) https://doi.org/10.1117/12.10.1117/12.55702

KEYWORDS: Neural networks, Machine learning, Neurons, Evolutionary algorithms, Detection and tracking algorithms, Optical pattern recognition, Brain, Adaptive optics, Pattern recognition, Binary data

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Proceedings Article | 1 September 1990 Paper

Self-organizing optical neural network for unsupervised learning

Thomas Lu, Francis Yu, Don Gregory

Proceedings Volume 1296, (1990) https://doi.org/10.1117/12.21282

KEYWORDS: Neural networks, Neurons, Machine learning, Optical signal processing, Brain, Adaptive optics, Evolutionary algorithms, Detection and tracking algorithms, Optical pattern recognition, Lutetium

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