Dr. Gunasekaran Seetharaman Profile

Dr. Gunasekaran Seetharaman

Chief Scientist for Computational Science at U.S. Naval Research Lab

SPIE Involvement:

Conference Chair | Author | Editor

Publications (36)

Proceedings Article | 10 June 2024 Poster

Vision based localization of drones with a DSM

Timothy Krock, Jaired Collins, Joshua Fraser, Hadi AliAkbarpour, Ricky Massaro, Guna Seetharaman, Kannappan Palaniappan

Proceedings Volume PC13037, (2024) https://doi.org/10.1117/12.3029750

KEYWORDS: Satellites, Satellite imaging, Earth observing sensors, Image processing, Image analysis, Global Positioning System, Cameras

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Proceedings Article | 27 April 2020 Presentation

Short-Term Video Stabilization Using Ground Plane Segmentation for Low Altitude UAV Object Tracking (Conference Presentation)

Deniz Kavzak Ufuktepe, Jaired Collins, Hadi AliAkbarpour, Priya Narayanan, Guna Seetharaman, Kannappan Palaniappan

Proceedings Volume 11398, 113980B (2020) https://doi.org/10.1117/12.2561104

KEYWORDS: Video, Video acceleration, Video surveillance, Target detection, Unmanned aerial vehicles, Optical tracking, Detection and tracking algorithms, Motion detection, Surveillance, Image processing

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Proceedings Article | 27 April 2020 Presentation

pyTAG: python-based interactive training data generation for visual tracking algorithms (Conference Presentation)

Ekincan Ufuktepe, Vipul Ramtekkar, Ke Gao, Noor Al-Shakarji, Joshua Fraser, Hadi AliAkbarpour, Guna Seetharaman, Kannappan Palaniappan

Proceedings Volume 11398, 113980D (2020) https://doi.org/10.1117/12.2561718

KEYWORDS: Optical tracking, Detection and tracking algorithms, Machine vision, Computer vision technology, Video, Switches, Motion models, Visual process modeling, Machine learning, Visualization

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Proceedings Article | 27 April 2018 Paper

Geospatial content summarization of UAV aerial imagery using mosaicking

Rumana Aktar, Hadi AliAkbarpour, Filiz Bunyak, Toni Kazic, Guna Seetharaman, Kannappan Palaniappan

Proceedings Volume 10645, 106450I (2018) https://doi.org/10.1117/12.2309417

KEYWORDS: Image registration, Video, Airborne remote sensing, Electroluminescence, Image segmentation, Unmanned aerial vehicles, Sensors, Video surveillance, Machine vision, Computer vision technology

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Proceedings Article | 27 April 2018 Presentation + Paper

Real-time geoprojection and stabilization on airborne GPU-enabled embedded systems

Evan Teters, Hadi AliAkbarpour, Kannappan Palaniappan, Guna Seetharaman

Proceedings Volume 10645, 106450H (2018) https://doi.org/10.1117/12.2309796

KEYWORDS: Cameras, Embedded systems, Image registration, Imaging systems, 3D image processing, Sensors, Unmanned aerial vehicles, Video, Image processing, Video acceleration

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Proceedings Article | 27 April 2018 Paper

Evaluation of feature matching in aerial imagery for structure-from motion and bundle adjustment

Ke Gao, Hadi AliAkbarpour, Kannappan Palaniappan, Guna Seetharaman

Proceedings Volume 10645, 106450J (2018) https://doi.org/10.1117/12.2309805

KEYWORDS: Feature extraction, Airborne remote sensing, 3D modeling, Detection and tracking algorithms, Corner detection

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Proceedings Article | 27 April 2018 Paper

3D patch-based multi-view stereo for high-resolution imagery

Shizeng Yao, Hadi AliAkbarpour, Guna Seetharaman, Kannappan Palaniappan

Proceedings Volume 10645, 106450K (2018) https://doi.org/10.1117/12.2309806

KEYWORDS: 3D image processing, 3D modeling, Reconstruction algorithms, Image filtering, 3D image reconstruction, Visualization, Photography, Video

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Proceedings Article | 27 April 2018 Presentation + Paper

A hybrid local and global multi-object tracking with semantic spatial and appearance modules

Noor Al-Shakarji, Filiz Bunyak, Guna Seetharaman, Kannappan Palaniappan

Proceedings Volume 10645, 106450B (2018) https://doi.org/10.1117/12.2309315

KEYWORDS: Video, Detection and tracking algorithms, Video surveillance, Analytical research, Motion models, Machine vision

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Proceedings Article | 1 May 2017 Presentation + Paper

Point based interactive image segmentation using multiquadrics splines

Sachin Meena, Prakash Duraisamy, Kannappan Palaniappan, Guna Seetharaman

Proceedings Volume 10203, 102030C (2017) https://doi.org/10.1117/12.2263933

KEYWORDS: Image processing algorithms and systems, Lawrencium, Visibility, Image classification, Computer science, Mathematical modeling, Data modeling, Image segmentation, Image processing, Modeling

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Proceedings Article | 21 May 2015 Paper

Illumination robust change detection with CMOS imaging sensors

Vijay Rengarajan, Sheetal Gupta, A. Rajagopalan, Guna Seetharaman

Proceedings Volume 9473, 947303 (2015) https://doi.org/10.1117/12.2176816

KEYWORDS: Cameras, Motion models, Camera shutters, CMOS cameras, CMOS sensors, Remote sensing, Optical sensors, Image acquisition, Video, Motion estimation

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Proceedings Article | 21 May 2015 Paper

Cueing motion blur for registration of inclined planar scenes

Arun Nair, M. Rao, A. Rajagopalan, Guna Seetharaman

Proceedings Volume 9473, 947304 (2015) https://doi.org/10.1117/12.2176869

KEYWORDS: Cameras, Image registration, Point spread functions, Motion models, Motion estimation, Image restoration, Target detection, Image processing, Sensors, Airborne remote sensing

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Proceedings Article | 3 July 2014 Paper

Feature fusion and label propagation for textured object video segmentation

V. B. Surya Prasath, Rengarajan Pelapur, Kannappan Palaniappan, Gunasekaran Seetharaman

Proceedings Volume 9089, 908904 (2014) https://doi.org/10.1117/12.2052983

KEYWORDS: Image segmentation, Video, RGB color model, Image fusion, Active optics, Electroluminescent displays, Machine vision, Fusion energy, Fourier transforms, Motion models

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Proceedings Article | 3 July 2014 Paper

Detection of potential mosquito breeding sites based on community sourced geotagged images

Ankit Agarwal, Usashi Chaudhuri, Subhasis Chaudhuri, Guna Seetharaman

Proceedings Volume 9089, 90890M (2014) https://doi.org/10.1117/12.2058121

KEYWORDS: Visualization, Image fusion, Image quality, Feature extraction, Visual process modeling, Quantization, Image processing, Image visualization, Computing systems, Surveillance

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Proceedings Article | 19 June 2014 Paper

Summary of methods in Wide-Area Motion Imagery (WAMI)

Erik Blasch, Guna Seetharaman, Steve Suddarth, Kannappan Palaniappan, Genshe Chen, Haibin Ling, Arlsan Basharat

Proceedings Volume 9089, 90890C (2014) https://doi.org/10.1117/12.2052894

KEYWORDS: Sensors, Surveillance, Analytical research, Target detection, Motion analysis, 3D modeling, Standards development, Video surveillance, Video, Visualization

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Proceedings Article | 19 June 2014 Paper

Blind restoration of aerial imagery degraded by spatially varying motion blur

Abhijith Punnappurath, A. Rajagopalan, Guna Seetharaman

Proceedings Volume 9089, 90890H (2014) https://doi.org/10.1117/12.2052996

KEYWORDS: Cameras, Airborne remote sensing, Motion models, Image analysis, Image restoration, Point spread functions, 3D modeling, Motion estimation, Convolution, Video

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Proceedings Article | 19 June 2014 Paper

The effect of state dependent probability of detection in multitarget tracking applications

A. Gning, W. T. L. Teacy, R. Pelapur, H. AliAkbarpour, K. Palaniappan, G. Seetharaman, S. Julier

Proceedings Volume 9089, 908905 (2014) https://doi.org/10.1117/12.2053968

KEYWORDS: Target detection, Sensors, Particles, Detection and tracking algorithms, Environmental sensing, Cameras, Algorithm development, Monte Carlo methods, Electroluminescent displays, Surveillance

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Proceedings Article | 14 June 2013 Paper

Vehicle detection and orientation estimation using the radon transform

Rengarajan Pelapur, Filiz Bunyak, Kannappan Palaniappan, Gunasekaran Seetharaman

Proceedings Volume 8747, 87470I (2013) https://doi.org/10.1117/12.2016407

KEYWORDS: Radon transform, Earth observing sensors, Satellites, Satellite imaging, Image segmentation, Airborne remote sensing, Image resolution, Error analysis, Feature extraction, High resolution satellite images

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Proceedings Article | 13 June 2013 Paper

KOLAM: a cross-platform architecture for scalable visualization and tracking in wide-area imagery

Joshua Fraser, Anoop Haridas, Guna Seetharaman, Raghuveer Rao, Kannappan Palaniappan

Proceedings Volume 8747, 87470N (2013) https://doi.org/10.1117/12.2018162

KEYWORDS: Optical tracking, Visualization, Automatic tracking, Visual analytics, Detection and tracking algorithms, Image visualization, Human-machine interfaces, Video, Image compression, Video surveillance

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Proceedings Article | 13 June 2013 Paper

Feature selection for appearance-based vehicle tracking in geospatial video

Mahdieh Poostchi, Filiz Bunyak, Kannappan Palaniappan, Guna Seetharaman

Proceedings Volume 8747, 87470G (2013) https://doi.org/10.1117/12.2015672

KEYWORDS: Feature selection, Video, Data modeling, Detection and tracking algorithms, Performance modeling, Visual process modeling, Computing systems, Optical tracking, Imaging systems, Visualization

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Proceedings Article | 23 May 2013 Paper

Overview of contextual tracking approaches in information fusion

Erik Blasch, Jesus Garcia Herrero, Lauro Snidaro, James Llinas, Guna Seetharaman, Kannappan Palaniappan

Proceedings Volume 8747, 87470B (2013) https://doi.org/10.1117/12.2016312

KEYWORDS: Sensors, Information fusion, Roads, Environmental sensing, Data modeling, Electro optical modeling, Analytics, Cognitive modeling, Target detection, Automatic target recognition

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Proceedings Article | 20 May 2013 Paper

Dynamic Data Driven Applications Systems (DDDAS) modeling for automatic target recognition

Erik Blasch, Guna Seetharaman, Frederica Darema

Proceedings Volume 8744, 87440J (2013) https://doi.org/10.1117/12.2016338

KEYWORDS: Automatic target recognition, Data modeling, Sensors, Systems modeling, Information fusion, Mathematical modeling, Environmental sensing, Image fusion, Electro optical modeling, Performance modeling

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Proceedings Article | 22 May 2012 Paper

Interactive target tracking for persistent wide-area surveillance

Ilker Ersoy, Kannappan Palaniappan, Guna Seetharaman, Raghuveer Rao

Proceedings Volume 8396, 839606 (2012) https://doi.org/10.1117/12.920815

KEYWORDS: Cameras, Data modeling, Image processing, Motion models, Surveillance, Detection and tracking algorithms, Distortion, Systems modeling, Forensic science, Optical tracking

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Proceedings Article | 22 May 2012 Paper

Feature fusion using ranking for object tracking in aerial imagery

Sema Candemir, Kannappan Palaniappan, Filiz Bunyak, Guna Seetharaman

Proceedings Volume 8396, 839604 (2012) https://doi.org/10.1117/12.920529

KEYWORDS: Image fusion, Feature selection, Airborne remote sensing, Video, Feature extraction, Analytical research, Motion analysis, Image registration, Image resolution, Cameras

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Aerial wide-area monitoring and tracking using multi-camera arrays poses unique challenges compared to stan- dard full motion video analysis due to low frame rate sampling, accurate registration due to platform motion, low resolution targets, limited image contrast, static and dynamic parallax occlusions.1{3 We have developed a low frame rate tracking system that fuses a rich set of intensity, texture and shape features, which enables adaptation of the tracker to dynamic environment changes and target appearance variabilities. However, improper fusion and overweighting of low quality features can adversely aect target localization and reduce tracking performance. Moreover, the large computational cost associated with extracting a large number of image-based feature sets will in uence tradeos for real-time and on-board tracking. This paper presents a framework for dynamic online ranking-based feature evaluation and fusion in aerial wide-area tracking. We describe a set of ecient descriptors suitable for small sized targets in aerial video based on intensity, texture, and shape feature representations or views. Feature ranking is then used as a selection procedure where target-background discrimination power for each (raw) feature view is scored using a two-class variance ratio approach. A subset of the k-best discriminative features are selected for further processing and fusion. The target match probability or likelihood maps for each of the k features are estimated by comparing target descriptors within a search region using a sliding win- dow approach. The resulting k likelihood maps are fused for target localization using the normalized variance ratio weights. We quantitatively measure the performance of the proposed system using ground-truth tracks within the framework of our tracking evaluation test-bed that incorporates various performance metrics. The proposed feature ranking and fusion approach increases localization accuracy by reducing multimodal eects due to low quality features or background clutter. Adaptive feature ranking increases the robustness of the tracker in dynamically changing environments especially when the object appearance is changing.

Proceedings Article | 4 May 2012 Paper

Dismount tracking and identification from electro-optical imagery

Erik Blasch, Haibin Ling, Yi Wu, Guna Seetharaman, Michael Talbert, Li Bai, Genshe Chen

Proceedings Volume 8402, 84020H (2012) https://doi.org/10.1117/12.919025

KEYWORDS: Sensors, Databases, Environmental sensing, Optical tracking, Electro optics, Diffusion tensor imaging, Target detection, Analytical research, Radar, Performance modeling

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Proceedings Article | 4 May 2012 Paper

Pattern Activity Clustering and Evaluation (PACE)

Erik Blasch, Christopher Banas, Michael Paul, Becky Bussjager, Guna Seetharaman

Proceedings Volume 8402, 84020C (2012) https://doi.org/10.1117/12.919027

KEYWORDS: Statistical analysis, Information fusion, Analytical research, Machine learning, Sensors, Roads, Data modeling, Information theory, Data mining, Kinematics

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Proceedings Article | 5 May 2011 Paper

Wide-area video exploitation (WAVE) joint data management (JDM) for layered sensing

Erik Blasch, Guna Seetharaman, Stephen Russell

Proceedings Volume 8050, 80500B (2011) https://doi.org/10.1117/12.883741

KEYWORDS: Sensors, Data modeling, Video, Data communications, Information fusion, Data storage, Video surveillance, Environmental sensing, Target detection, Databases

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Proceedings Article | 5 May 2011 Paper

Sub-pixel registration of moving objects in visible and thermal imagery with adaptive segmentation

Stephen Won, Susan Young, Gunasekaran Seetharaman, Kannappan Palaniappan

Proceedings Volume 8050, 80501A (2011) https://doi.org/10.1117/12.883262

KEYWORDS: Image segmentation, Image registration, Motion estimation, Thermography, Image processing algorithms and systems, Optical flow, Fourier transforms, Image processing, Super resolution, Image analysis

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Proceedings Article | 11 May 2009 Paper

Wideband lasers on manned/unmanned platforms under poly-environment

Lawrence Shah, John Zeller, Martin Richardson, Michael Talbert, Gunasekaran Seetharaman, Tariq Manzur

Proceedings Volume 7332, 733203 (2009) https://doi.org/10.1117/12.821792

KEYWORDS: Free space optics, Mid-IR, Laser applications, Atmospheric modeling, Infrared radiation, High power lasers, Laser sources, Laser optics, Telecommunications, Free space optical communications

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Proceedings Article | 20 September 2007 Paper

Multiscale moment transforms over the integer lattice

Matthew Fickus, Guna Seetharaman, Mark Oxley

Proceedings Volume 6701, 67011N (2007) https://doi.org/10.1117/12.730819

KEYWORDS: Transform theory, Digital imaging, Image processing, Edge detection, Matrices, Fourier transforms, Sensors, Image registration, Convolution, Digital image processing

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Proceedings Article | 5 September 2007 Paper

Thermo-optic variable blazed grating for beam steering

Matthew Johnson, Guna Seetharaman

Proceedings Volume 6715, 671505 (2007) https://doi.org/10.1117/12.754188

KEYWORDS: Thermal optics, Beam steering, Liquid crystals, Phased array optics, Refractive index, Statistical modeling, Prototyping, Switching, Gold, Instrument modeling

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Proceedings Article | 2 October 2006 Paper

Information expectation from unmanned aircraft swarms

Michael Talbert, Patrick Baldwin, Guna Seetharaman

Proceedings Volume 6387, 63870A (2006) https://doi.org/10.1117/12.686315

KEYWORDS: Sensors, Fiber optic gyroscopes, Databases, Unmanned aerial vehicles, Video, Tolerancing, Infrared sensors, Visualization, Detection and tracking algorithms, Profiling

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Proceedings Article | 22 March 1996 Paper

Image data compression methodologies using discrete wavelets

Jun Tian, Chih-Zen Chen, Chih-Chung Chen, Gunasekaran Seetharaman

Proceedings Volume 2762, (1996) https://doi.org/10.1117/12.235992

KEYWORDS: Image compression, Wavelets, Optical filters, Wavelet transforms, Linear filtering, Image transmission, Digital filtering, Computing systems, Discrete wavelet transforms, Data storage

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Proceedings Article | 16 December 1992 Paper

Two modified crossover and mutation operators for image segmentation by genetic algorithms

Gunasekaran Seetharaman, Obili Prabhu, Amruthur Narasimhan

Proceedings Volume 1766, (1992) https://doi.org/10.1117/12.130818

KEYWORDS: Image segmentation, Genetic algorithms, Stochastic processes, Signal processing, Image processing, Silicon, Binary data, Image processing algorithms and systems, Switches, Data modeling

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Proceedings Article | 1 March 1992 Paper

Relaxation method for segmenting quadratic surfaces from depth and intensity images

Gunasekaran Seetharaman, Henry Chu, Syed Shafiullah

Proceedings Volume 1708, (1992) https://doi.org/10.1117/12.58567

KEYWORDS: Sensors, Image fusion, Image segmentation, Cameras, 3D image processing, Image processing, Image registration, Machine vision, Video, Artificial intelligence

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Proceedings Article | 1 October 1991 Paper

Image segmentation with genetic algorithms: a formulation and implementation

Gunasekaran Seetharaman, Amruthur Narasimhan, Anand Sathe, Lisa Storc

Proceedings Volume 1569, (1991) https://doi.org/10.1117/12.48385

KEYWORDS: Image segmentation, Genetic algorithms, Image fusion, Machine vision, Computer vision technology, Image processing, Computing systems, Stochastic processes, Signal processing, Binary data

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Proceedings Article | 1 April 1991 Paper

Hierarchical fusion of geometric constraints for image segmentation

Gunasekaran Seetharaman, Chee-Hung Chu

Proceedings Volume 1383, (1991) https://doi.org/10.1117/12.25298

KEYWORDS: Image segmentation, Image fusion, Sensors, Edge detection, Image processing, Image sensors, 3D modeling, Sensor fusion, 3D image processing, Smoothing

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