Dr. Ratnasingham Tharmarasa Profile

Dr. Ratnasingham Tharmarasa

Postdoctoral Fellow at McMaster Univ

SPIE Involvement:

Author

Publications (37)

Proceedings Article | 18 May 2012 Paper

Simulation of large-scale multitarget tracking scenarios using GPUs

Yusuf Dinath, R. Tharmarasa, Eric Meger, Pierre Valin, T. Kirubarajan

Proceedings Volume 8392, 839209 (2012) https://doi.org/10.1117/12.921043

KEYWORDS: Detection and tracking algorithms, Motion models, Computer simulations, Monte Carlo methods, Computer programming, Roads, Surveillance, Mathematics, Target recognition, Statistical modeling

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Proceedings Article | 18 May 2012 Paper

The spline probability hypothesis density filter

Rajiv Sithiravel, Ratnasingham Tharmarasa, Mike McDonald, Michel Pelletier, Thiagalingam Kirubarajan

Proceedings Volume 8392, 83920E (2012) https://doi.org/10.1117/12.921022

KEYWORDS: Digital filtering, Nonlinear filtering, Electronic filtering, Particles, Gaussian filters, Filtering (signal processing), Monte Carlo methods, Systems modeling, Linear filtering, Particle filters

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Proceedings Article | 15 May 2012 Paper

Prediction, tracking, and retrodiction for path-constrained targets

K. Krishanth, R. Tharmarasa, T. Kirubarajan, P. Valin, E. Meger

Proceedings Volume 8393, 83930O (2012) https://doi.org/10.1117/12.921035

KEYWORDS: Detection and tracking algorithms, Motion models, Algorithm development, Image segmentation, Sensors, Electronic filtering, Monte Carlo methods, Process modeling, Forensic science, Motion analysis

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Proceedings Article | 15 May 2012 Paper

Measurement level AIS/radar fusion for maritime surveillance

Biruk Habtemariam, R. Tharmarasa, Eric Meger, T. Kirubarajan

Proceedings Volume 8393, 83930I (2012) https://doi.org/10.1117/12.920156

KEYWORDS: Artificial intelligence, Radar, Maritime surveillance, Data fusion, Surveillance, Detection and tracking algorithms, Motion models, Time metrology, Head, System identification

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Proceedings Article | 17 September 2011 Paper

Automatic track initialization and maintenance in heavy clutter using integrated JPDA and ML-PDA algorithms

K. Harishan, R. Tharmarasa, T. Kirubarajan, T. Thayaparan

Proceedings Volume 8137, 81370Q (2011) https://doi.org/10.1117/12.897438

KEYWORDS: Detection and tracking algorithms, Sensors, Target detection, Automatic tracking, Evolutionary algorithms, Distance measurement, Signal to noise ratio, Motion models, Error analysis, Monte Carlo methods

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Proceedings Article | 17 September 2011 Paper

Dynamic sector processing using 2D assignment for rotating radars

Biruk Habtemariam, R. Tharmarasa, M. Pelletier, T. Kirubarajan

Proceedings Volume 8137, 81370U (2011) https://doi.org/10.1117/12.896492

KEYWORDS: Radar, Detection and tracking algorithms, Tin, Data processing, Sensors, Antennas, Target detection, Systems modeling, Phased arrays, Time metrology

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Proceedings Article | 17 September 2011 Paper

Improved multiframe association for tracking maneuvering targets

Biruk Habtemariam, R. Tharmarasa, N. Nandakumaran, M. McDonald, T. Kirubarajan

Proceedings Volume 8137, 81370O (2011) https://doi.org/10.1117/12.896465

KEYWORDS: Target detection, Data modeling, Detection and tracking algorithms, Motion models, Algorithm development, Motion estimation, Computer simulations, Motion measurement, Signal processing, Data processing

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Proceedings Article | 17 September 2011 Paper

Performance evaluations of multipath multitarget tracking using PCRLB

M. Subramaniam, K. Punithakumar, R. Tharmarasa, M. McDonald, T. Kirubarajan

Proceedings Volume 8137, 813714 (2011) https://doi.org/10.1117/12.894926

KEYWORDS: Reflection, Sensors, Transmitters, Receivers, Detection and tracking algorithms, Radar, Environmental sensing, Target detection, Picosecond phenomena, Remote sensing

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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 | 28 April 2010 Paper

An assignment based algorithm for multiple target localization problems using widely-separated MIMO radars

A. A. Gorji, R. Tharmarasa, T. Kirubarajan

Proceedings Volume 7697, 769702 (2010) https://doi.org/10.1117/12.851051

KEYWORDS: Radar, Signal to noise ratio, Detection and tracking algorithms, Antennas, Receivers, Transmitters, Target detection, Electronic filtering, Surveillance, Signal generators

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Proceedings Article | 28 April 2010 Paper

Integrated clutter estimation and target tracking using JIPDA/MHT tracker

Xin Chen, R. Tharmarasa, T. Kirubarajan, Michel Pelletier

Proceedings Volume 7697, 769703 (2010) https://doi.org/10.1117/12.851048

KEYWORDS: Detection and tracking algorithms, Surveillance, Filtering (signal processing), Data integration, Electronic filtering, Computer simulations, Target detection, Superposition, Picosecond phenomena, Process modeling

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Proceedings Article | 16 April 2010 Paper

Two-level automatic multiple target joint tracking and classification

Xiaofan He, Ratnasingham Tharmarasa, Michael Pelletier, Thia Kirubarajan

Proceedings Volume 7698, 76980O (2010) https://doi.org/10.1117/12.851068

KEYWORDS: Detection and tracking algorithms, Kinematics, Automatic tracking, Monte Carlo methods, Radar, Classification systems, Target recognition, Motion models, Surveillance, Particles

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Proceedings Article | 16 April 2010 Paper

Probabilistic data association in high clutter environments

R. Tharmarasa, T. Lang, Mike McDonald, T. Kirubarajan

Proceedings Volume 7698, 76980L (2010) https://doi.org/10.1117/12.851070

KEYWORDS: Personal digital assistants, Target detection, Filtering (signal processing), Surveillance, Time metrology, Electronic filtering, Sensors, Digital filtering, Algorithm development, Detection and tracking algorithms

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Proceedings Article | 16 April 2010 Paper

Spline filter for target tracking

Donna Kocherry, R. Tharmarasa, Tom Lang, T. Kirubarajan

Proceedings Volume 7698, 76980H (2010) https://doi.org/10.1117/12.851075

KEYWORDS: Nonlinear filtering, Electronic filtering, Particles, Particle filters, Digital filtering, Detection and tracking algorithms, Filtering (signal processing), Time metrology, Motion measurement, Motion controllers

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Proceedings Article | 16 April 2010 Paper

Multipath-assisted multitarget tracking with reflection point uncertainty

M. Subramaniam, R. Tharmarasa, M. McDonald, T. Kirubarajan

Proceedings Volume 7698, 76981A (2010) https://doi.org/10.1117/12.851118

KEYWORDS: Reflection, Sensors, Transmitters, Receivers, Detection and tracking algorithms, Picosecond phenomena, Remote sensing, Radar, Target detection, Defense and security

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Proceedings Article | 4 September 2009 Paper

Feasibility of using transmitters of opportunity for precision multitarget tracking

N. Nandakumaran, R. Tharmarasa, Mike McDonald, T. Kirubarajan

Proceedings Volume 7445, 744512 (2009) https://doi.org/10.1117/12.827054

KEYWORDS: Receivers, Transmitters, 3D metrology, Detection and tracking algorithms, 3D acquisition, Target detection, Sensors, Signal to noise ratio, Radar, Fiber optic illuminators

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Proceedings Article | 4 September 2009 Paper

Multipath-assisted multitarget tracking using multiframe assignment

M. Subramaniam, R. Tharmarasa, M. Pelletier, T. Kirubarajan

Proceedings Volume 7445, 74450Z (2009) https://doi.org/10.1117/12.830470

KEYWORDS: Reflection, Sensors, Detection and tracking algorithms, Target detection, Receivers, Transmitters, Radar, Signal detection, Filtering (signal processing), Systems modeling

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Proceedings Article | 4 September 2009 Paper

Integrated clutter estimation and target tracking using Poisson point process

Xin Chen, R. Tharmarasa, T. Kirubarajan, Michel Pelletier

Proceedings Volume 7445, 74450X (2009) https://doi.org/10.1117/12.826140

KEYWORDS: Statistical analysis, Surveillance, Electronic filtering, Digital filtering, Computer simulations, Particles, Target detection, Detection and tracking algorithms, Infrared sensors, Sensors

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Proceedings Article | 3 September 2009 Paper

SMC-PHD-based multi-target tracking with reduced peak extraction

Darcy Dunne, Ratnasingham Tharmarasa, Thomas Lang, T. Kirubarajan

Proceedings Volume 7445, 74450F (2009) https://doi.org/10.1117/12.826244

KEYWORDS: Particles, Electronic filtering, Digital filtering, Fuzzy logic, Detection and tracking algorithms, Target detection, Monte Carlo methods, Particle filters, Nonlinear filtering, Kinematics

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Proceedings Article | 3 September 2009 Paper

Distributed tracking with probability hypothesis density filters using efficient measurement encoding

A. Aravinthan, R. Tharmarasa, Tom Lang, Mike McDonald, T. Kirubarajan

Proceedings Volume 7445, 74450H (2009) https://doi.org/10.1117/12.826552

KEYWORDS: Quantization, Computer programming, Sensor networks, Sensors, Detection and tracking algorithms, Monte Carlo methods, Particles, Electronic filtering, Computer simulations, Associative arrays

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Proceedings Article | 3 September 2009 Paper

Rao-Blackwellised approximate conditional mean probability hypothesis density filtering

N. Nandakumaran, S. Sutharsan, R. Tharmarasa, T. Lang, T. Kirubarajan

Proceedings Volume 7445, 74450J (2009) https://doi.org/10.1117/12.826423

KEYWORDS: Particles, Digital filtering, Neptunium, Gaussian filters, Detection and tracking algorithms, Nonlinear filtering, Sensors, Monte Carlo methods, Electronic filtering, Target detection

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Proceedings Article | 1 September 2009 Paper

Resolving transmitter-of-opportunity origin uncertainty in passive coherent location systems

R. Tharmarasa, N. Nandakumaran, Mike McDonald, T. Kirubarajan

Proceedings Volume 7445, 744506 (2009) https://doi.org/10.1117/12.826410

KEYWORDS: Transmitters, Receivers, Detection and tracking algorithms, Radar, Fermium, Frequency modulation, Logic, Surveillance, Fiber optic illuminators, Time metrology

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Proceedings Article | 1 September 2009 Paper

Interacting multiple model forward filtering and backward smoothing for maneuvering target tracking

N. Nandakumaran, S. Sutharsan, R. Tharmarasa, Tom Lang, Mike McDonald, T. Kirubarajan

Proceedings Volume 7445, 744503 (2009) https://doi.org/10.1117/12.826549

KEYWORDS: Smoothing, Detection and tracking algorithms, Electronic filtering, Motion models, Switching, Systems modeling, Performance modeling, Target detection, Time metrology, Computer simulations

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Proceedings Article | 24 August 2009 Paper

MIMO vs. multistatic radars for target localization

A. Gorji, R. Tharmarasa, T. Kirubarajan

Proceedings Volume 7445, 744502 (2009) https://doi.org/10.1117/12.826109

KEYWORDS: Radar, Signal to noise ratio, Transmitters, Target detection, Receivers, Detection and tracking algorithms, Signal processing, Antennas, Filtering (signal processing), Surveillance

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Proceedings Article | 11 May 2009 Paper

Improved target tracking using kinematic measurements and target orientation information

S. Sutharsan, R. Tharmarasa, T. Kirubarajan

Proceedings Volume 7336, 733604 (2009) https://doi.org/10.1117/12.819234

KEYWORDS: Sensors, Kinematics, Detection and tracking algorithms, Motion models, Monte Carlo methods, Algorithm development, Missiles, Motion estimation, Motion measurement, Radar

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Proceedings Article | 17 April 2008 Paper

Gaussian mixture probability hypothesis density smoothing with multistatic sonar

N. Nandakumaran, R. Tharmarasa, T. Lang, T. Kirubarajan

Proceedings Volume 6968, 696807 (2008) https://doi.org/10.1117/12.779236

KEYWORDS: Detection and tracking algorithms, Filtering (signal processing), Gaussian filters, Algorithm development, Smoothing, Sensors, Active sonar, Electronic filtering, Monte Carlo methods, Doppler effect

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Proceedings Article | 17 April 2008 Paper

Tracking and classification using aspect-dependent RCS and kinematic data

S. Sutharsan, R. Tharmarasa, T. Lang, T. Kirubarajan

Proceedings Volume 6969, 696913 (2008) https://doi.org/10.1117/12.779218

KEYWORDS: Sensors, Kinematics, Radar, Detection and tracking algorithms, Motion models, Computer simulations, Data integration, Distance measurement, Data fusion, Scatter measurement

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Proceedings Article | 16 April 2008 Paper

Tracking with poorly localized sensors in multistatic sensor networks

R. Tharmarasa, T. Lang, T. Kirubarajan

Proceedings Volume 6969, 69690P (2008) https://doi.org/10.1117/12.779232

KEYWORDS: Sensors, Receivers, Sensor networks, Detection and tracking algorithms, Transmitters, Passive sensors, Global Positioning System, Computer simulations, Filtering (signal processing), Active sensors

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Proceedings Article | 16 April 2008 Paper

Passive tracking with sensors of opportunity using passive coherent location

Mahes Subramaniam, R. Tharmarasa, Mike McDonald, T. Kirubarajan

Proceedings Volume 6969, 69691F (2008) https://doi.org/10.1117/12.779598

KEYWORDS: Filtering (signal processing), Particles, Radar, Transmitters, Receivers, Target detection, Doppler effect, Sensors, Particle filters, FM band

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Proceedings Article | 16 April 2008 Paper

Joint path planning and sensor subset selection for multistatic sensor networks

R. Tharmarasa, Tom Lang, T. Kirubarajan

Proceedings Volume 6969, 69690T (2008) https://doi.org/10.1117/12.779217

KEYWORDS: Sensors, Transmitters, Receivers, Sensor networks, Passive sensors, Genetic algorithms, Target detection, Detection and tracking algorithms, Neptunium, Surveillance

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Proceedings Article | 25 September 2007 Paper

Collaborative sensor management for decentralized asynchronous sensor networks

R. Tharmarasa, T. Kirubarajan

Proceedings Volume 6699, 66990Z (2007) https://doi.org/10.1117/12.734747

KEYWORDS: Sensors, Fluorescence correlation spectroscopy, Surveillance, Detection and tracking algorithms, Target detection, Active sensors, Particles, Sensor networks, Computer simulations, Telecommunications

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Proceedings Article | 21 September 2007 Paper

Tracking dim targets using integrated clutter estimation

Edmund Brekke, Thiagalingam Kirubarajan, Ratnasingham Tharmarasa

Proceedings Volume 6699, 669905 (2007) https://doi.org/10.1117/12.734296

KEYWORDS: Signal to noise ratio, Particles, Sensors, Particle filters, Point spread functions, Detection and tracking algorithms, Clouds, Target detection, Monte Carlo methods, Digital filtering

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Proceedings Article | 25 May 2006 Paper

Issues in resource management with applications to real-world problems

David Castañón, Ron Mahler, Kenneth Hintz, Jim Reich, Ivan Kadar, M. Farooq, T. Kirubarajan, R. Tharmarasa, T. Sathyan, A. Sinha

Proceedings Volume 6235, 62351O (2006) https://doi.org/10.1117/12.694899

KEYWORDS: Sensors, Data fusion, Sensor networks, Cameras, Sensing systems, Algorithm development, Computing systems, Detection and tracking algorithms, Information fusion, Error analysis

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Proceedings Article | 19 May 2006 Paper

Multitarget-multisensor management for decentralized sensor networks

R. Tharmarasa, T. Kirubarajan, A. Sinha, M. Hernandez

Proceedings Volume 6236, 62360W (2006) https://doi.org/10.1117/12.665793

KEYWORDS: Sensors, Fluorescence correlation spectroscopy, Surveillance, Detection and tracking algorithms, Sensor performance, Target detection, Time metrology, Computer simulations, Error analysis, Optimization (mathematics)

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Proceedings Article | 16 September 2005 Paper

Dynamic sensor management for distributed tracking

R. Tharmarasa, T. Kirubarajan, J. Peng

Proceedings Volume 5913, 59130Y (2005) https://doi.org/10.1117/12.618526

KEYWORDS: Sensors, Target detection, Detection and tracking algorithms, Platinum, Active sensors, Surveillance, Signal to noise ratio, Sensor performance, Computer simulations, Distributed computing

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Proceedings Article | 25 August 2004 Paper

PCRLB-based multisensor array management for multitarget tracking

Ratnasingham Tharmarasa, Thiagalingam Kirubarajan, Marcel Hernandez

Proceedings Volume 5428, (2004) https://doi.org/10.1117/12.541884

KEYWORDS: Sensors, Target detection, Surveillance, Active sensors, Detection and tracking algorithms, Error analysis, Lead, Particle filters, Computer simulations, Numerical integration

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Proceedings Article | 5 January 2004 Paper

Large-scale optimal sensor array management for target tracking

Ratnasingham Tharmarasa, Thiagalingam Kirubarajan, Marcel Hernandez

Proceedings Volume 5204, (2004) https://doi.org/10.1117/12.504873

KEYWORDS: Sensors, Detection and tracking algorithms, Active sensors, Unattended ground sensors, Sensor performance, Time metrology, Error analysis, Laser induced plasma spectroscopy, Computer simulations, Particle filters

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Showing 5 of 37 publications

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