Dr. Lakshman Prasad Profile

Dr. Lakshman Prasad

Scientist 4 at Los Alamos National Lab

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Publications (16)

Proceedings Article | 15 May 2020 Paper

Weak matching of temporal interval graphs of sensors for robust multimodal event detection in noise

Lakshman Prasad, Boian Alexandrov, Benjamin Nebgen

Proceedings Volume 11423, 114230N (2020) https://doi.org/10.1117/12.2558683

KEYWORDS: Sensors, Matrices, Process modeling, Computer programming, Feature extraction, Signal processing, Analytical research

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Proceedings Article | 27 April 2018 Presentation + Paper

Multiscale graph-based framework for efficient multi-sensor integration and event detection

Lakshman Prasad

Proceedings Volume 10646, 106460Q (2018) https://doi.org/10.1117/12.2304288

KEYWORDS: Sensors, Process modeling, Data modeling, Detection and tracking algorithms, Active sensors, Signal processing, Algorithm development

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Proceedings Article | 19 May 2016 Paper

Semantic segmentation of multispectral overhead imagery

Lakshman Prasad, Paul Pope, Kari Sentz

Proceedings Volume 9872, 987203 (2016) https://doi.org/10.1117/12.2224165

KEYWORDS: Image segmentation, Classification systems, Multispectral imaging, Image classification, Feature extraction, Buildings, Image analysis, Roads, Digital imaging, LIDAR

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Proceedings Article | 24 May 2012 Paper

Feature extraction, anomaly, and change detection on WorldView-2 imagery by hierarchical image segmentation: a study

Lakshman Prasad, James Theiler, Matthew Fair, Sriram Swaminarayan

Proceedings Volume 8390, 83901U (2012) https://doi.org/10.1117/12.919295

KEYWORDS: Image segmentation, Sensors, Feature extraction, Image analysis, Satellite imaging, Earth observing sensors, Satellites, Analytical research, Detection and tracking algorithms, Mahalanobis distance

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Proceedings Article | 20 May 2011 Paper

Overlapping image segmentation for context-dependent anomaly detection

James Theiler, Lakshman Prasad

Proceedings Volume 8048, 804807 (2011) https://doi.org/10.1117/12.883326

KEYWORDS: Image segmentation, Sensors, Detection and tracking algorithms, Image processing algorithms and systems, Computer simulations, Hyperspectral imaging, Target detection, Mahalanobis distance, Data modeling, Contamination

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Proceedings Article | 23 October 2010 Paper

Simultaneous hierarchical segmentation and vectorization of satellite images through combined non-uniform data sampling and anisotropic triangulation

Jacopo Grazzini, Scott Dillard, Lakshman Prasad

Proceedings Volume 7830, 78300F (2010) https://doi.org/10.1117/12.865047

KEYWORDS: Image segmentation, Satellites, Satellite imaging, Earth observing sensors, Sensors, Remote sensing, Image processing algorithms and systems, Edge detection, Multispectral imaging, Image analysis

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Proceedings Article | 28 April 2009 Paper

A structural framework for anomalous change detection and characterization

Lakshman Prasad, James Theiler

Proceedings Volume 7341, 73410N (2009) https://doi.org/10.1117/12.818977

KEYWORDS: Image segmentation, Sensors, Edge detection, Image processing, Detection and tracking algorithms, Cameras, Roads, Human vision and color perception, Long wavelength infrared, Shape analysis

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Proceedings Article | 20 May 2005 Paper

Detecting objects in radiographs for homeland security

Lakshman Prasad, Hans Snyder

Proceedings Volume 5778, (2005) https://doi.org/10.1117/12.604525

KEYWORDS: Image segmentation, Radiography, Homeland security, Image processing, Visualization, Object recognition, Image compression, Image processing algorithms and systems, Algorithm development, Digital imaging

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Proceedings Article | 2 November 2001 Paper

Geometric morphology of cellular solids

Bernd Schlei, Lakshman Prasad, Alexei Skourikhine

Proceedings Volume 4476, (2001) https://doi.org/10.1117/12.447289

KEYWORDS: Foam, Image segmentation, Polymers, Computed tomography, Photomicroscopy, Solids, Image processing, Stochastic processes, Feature extraction, Shape analysis

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Proceedings Article | 23 October 2000 Paper

Multiscale discretization of shape contours

Lakshman Prasad, Ramana Rao

Proceedings Volume 4117, (2000) https://doi.org/10.1117/12.404822

KEYWORDS: Wavelets, Discrete wavelet transforms, Wavelet transforms, Tolerancing, Image understanding, Video coding, Computer programming, Video, Feature extraction, Vision geometry

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Proceedings Article | 23 October 2000 Paper

Geometric morphology of granular materials

Bernd Schlei, Lakshman Prasad, Alexei Skourikhine

Proceedings Volume 4117, (2000) https://doi.org/10.1117/12.404821

KEYWORDS: Image segmentation, Computed tomography, Photomicroscopy, Image processing, Algorithm development, Neural networks, Polymers, Image analysis, Image processing algorithms and systems, Explosives

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Proceedings Article | 23 October 2000 Paper

Feature-based syntactic and metric shape recognition

Lakshman Prasad, Alexei Skourikhine, Bernd Schlei

Proceedings Volume 4117, (2000) https://doi.org/10.1117/12.404825

KEYWORDS: Computed tomography, Computer programming, Shape analysis, Machine vision, Chemical elements, Image segmentation, Surveillance, Feature extraction, Telescopes, Composites

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Proceedings Article | 23 October 2000 Paper

Geometric transform for shape feature extraction

Lakshman Prasad, Ramana Rao

Proceedings Volume 4117, (2000) https://doi.org/10.1117/12.404824

KEYWORDS: Computed tomography, Shape analysis, Picosecond phenomena, Feature extraction, Machine vision, Image segmentation, Computer vision technology, Image understanding, Evolutionary algorithms, Detection and tracking algorithms

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Proceedings Article | 13 October 2000 Paper

Neural network for image segmentation

Alexei Skourikhine, Lakshman Prasad, Bernd Schlei

Proceedings Volume 4120, (2000) https://doi.org/10.1117/12.403632

KEYWORDS: Image segmentation, Image processing, Neurons, Neural networks, Binary data, Image analysis, Image processing algorithms and systems, Evolutionary algorithms, Smoothing, Image quality

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Proceedings Article | 21 November 1995 Paper

Object recognition by multiresolutional template matching

Lakshman Prasad, Ramana Rao

Proceedings Volume 2606, (1995) https://doi.org/10.1117/12.227252

KEYWORDS: Image segmentation, Databases, Object recognition, Wavelets, Image resolution, Image processing, Image processing algorithms and systems, Detection and tracking algorithms, Image filtering, Reconstruction algorithms

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Proceedings Article | 1 September 1995 Paper

Image segmentation by multiresolution histogram decomposition

Ramana Rao, Lakshman Prasad

Proceedings Volume 2569, (1995) https://doi.org/10.1117/12.217630

KEYWORDS: Image segmentation, Image processing algorithms and systems, Image analysis, Linear filtering, Wavelets, Image processing, Image resolution, Image quality, Image filtering, Analytical research

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Showing 5 of 16 publications

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