Up: Research Publications
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V. Lakshmanan and J. Kain, ``A Gaussian mixture model approach to forecast
verification,'' Weather and Forecasting, vol. 0, no. 0, p. subm., 2009.
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V. Lakshmanan and T. Smith, ``An objective method of evaluating and devising
storm tracking algorithms,'' Wea. and Forecasting, p. submitted, 2009.
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V. Lakshmanan, K. Elmore, and M. Richman, ``Reaching scientific consensus
through a competition,'' Bull. of Amer. Meteo. Soc., p. subm., 2009.
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T. Smith and V. Lakshmanan, ``Real-time, rapidly updating severe weather
products for virtual globes,'' Computers and Geosciences, p. subm.,
2009.
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S. Sen Roy, V. Lakshmanan, S. Roy Bhowmik, and S. Thampi, ``Doppler radar based
nowcastingof Cyclone Ogni,'' J. Earth System Science, p. acc.,
2009.
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V. Lakshmanan, J. Zhang, and K. Howard, ``A technique to censor biological
echoes in radar reflectivity data,'' J. Applied Meteorology, vol. 1,
p. subm., 1 2009.
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V. Lakshmanan and T. Smith, ``Data mining storm attributes from spatial
grids,'' J. Ocea. and Atmos. Tech., vol. 26, no. 11, pp. 2353-2365,
2009.
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V. Lakshmanan, K. Hondl, and R. Rabin, ``An efficient, general-purpose
technique for identifying storm cells in geospatial images,'' J. Ocean.
Atmos. Tech., vol. 26, no. 3, pp. 523-37, 2009.
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I. Adrianto, T. Trafalis, and V. Lakshmanan, ``Support vector machines for
spatiotemporal tornado prediction,'' Int'l Journal of General Systems,
vol. 38, no. 7, pp. 759-776, 2009.
DOI:10.1080/03081070601068629.
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V. Lakshmanan, T. Smith, G. J. Stumpf, and K. Hondl, ``The warning decision
support system - integrated information,'' Weather and Forecasting,
vol. 22, no. 3, pp. 596-612, 2007.
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V. Lakshmanan, A. Fritz, T. Smith, K. Hondl, and G. J. Stumpf, ``An automated
technique to quality control radar reflectivity data,'' J. Applied
Meteorology, vol. 46, pp. 288-305, Mar 2007.
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N. Pal, A. Mandal, S. Pal, J. Das, and V. Lakshmanan, ``Fuzzy rule-based
approach for detection of bounded weak-echo regions in radar images,'' J. Appl. Meteo. and Clim., vol. 45, no. 9, pp. 1304-1312, 2006.
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V. Lakshmanan, T. Smith, K. Hondl, G. J. Stumpf, and A. Witt, ``A real-time,
three dimensional, rapidly updating, heterogeneous radar merger technique for
reflectivity, velocity and derived products,'' Weather and Forecasting,
vol. 21, no. 5, pp. 802-823, 2006.
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V. Lakshmanan, ``A separable filter for directional smoothing,'' IEEE
Geosc. and Remote Sensing Letters, vol. 1, pp. 192-195, 7 2004.
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V. Lakshmanan, R. Rabin, and V. DeBrunner, ``Multiscale storm identification
and forecast,'' J. Atm. Res., vol. 67, pp. 367-380, July 2003.
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V. Lakshmanan, ``Speeding up a large scale filter,'' J. of Oc. and Atm.
Tech., vol. 17, pp. 468-473, April 2000.
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V. Lakshmanan, ``Using a genetic algorithm to tune a bounded weak echo region
detection algorithm,'' Journal of Applied Meteorology, vol. 39,
pp. 222-230, 2 2000.
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C. Marzban and V. Lakshmanan, ``On the uniqueness of gandin and murphy's
equitable performance measures,'' Monthly Weather Review, vol. 127,
pp. 1134-1136, June 1999.
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V. Lakshmanan and A. Witt, ``A fuzzy logic approach to detecting severe
updrafts,'' AI Appl., vol. 11, pp. 1-12, May 1997.
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V. Lakshmanan and J. Zhang, ``Censoring biological echoes in weather radar
images,'' in 6th International Conference on Fuzzy Systems and Knowledge
Discovery, (Tianjin, China), IEEE, IEEE Computer Press, Aug. 2009.
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V. Lakshmanan, ``An overview of radar data compression,'' in SPIE Optics
+ Photonics: Satellite Data Compression, Communications and Archiving III,
no. 07 in 6683, (San Diego, CA), SPIE, Aug. 2007.
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V. Lakshmanan and K. Ortega, ``A technique for creating probabilistic
spatio-temporal forecasts,'' in 8th Int'l Conf. on Adv. in Patt.
Recogn., (Kolkota), IEEE, Jan 2007.
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V. Lakshmanan, I. Adrianto, T. Smith, and G. Stumpf, ``A spatiotemporal
approach to tornado prediction,'' in Int'l Joint Conf. on Neural
Networks, (Montreal), p. CDROM 1072, July 2005.
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V. Lakshmanan, K. Hondl, G. Stumpf, and T. Smith, ``Quality control of weather
radar data using texture features and a neural network,'' in 5th Int'l
Conf. on Adv. in Patt. Recogn., (Kolkota), IEEE, Dec 2003.
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V. Lakshmanan, V. DeBrunner, and R. Rabin, ``Nested partitions using texture
segmentation,'' in Southwest Symposium on Image Analysis and
Interpretation, (Santa Fe, New Mexico), IEEE, IEEE Computer Press, Apr.
2002.
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V. Lakshmanan, V. DeBrunner, and R. Rabin, ``Texture-based segmentation of
satellite weather imagery,'' in Int'l Conference on Image Processing,
(Vancouver), pp. 732-735, Sept. 2000.
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V. Lakshmanan and A. Witt, ``Detecting rare signatures,'' in Artificial
Neural Networks in Engineering ANNIE '97, (St. Louis, MO), pp. 521-526,
ASME Press, 1997.
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V. Lakshmanan and A. Witt, ``A fuzzy logic classifier for the detection of
bounded weak echo regions in meteorological images,'' in Artificial
Neural Networks in Engineering ANNIE '96, (St. Louis, MO), pp. 513-518,
ASME Press, 1996.
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V. Lakshmanan and A. Witt, ``Detection of bounded weak echo regions in
meteorological images,'' in 13th Int'l Conference on Pattern
Recognition, (Vienna), pp. 895-899, International Association of Pattern
Recognition, 1996.
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V. Lakshmanan and A. Witt, ``A fuzzy logic scheme for the detection of bounded
weak echo regions in meteorological images,'' in IAPR Workshop on
Machine Perception Applications, (Graz, Austria), pp. 185-198,
International Association of Pattern Recognition, 1996.
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V. Lakshmanan and A. Witt, ``Classification of skewed distributions: Detecting
severe updrafts,'' in Artificial Intelligence and Soft Computing,
(Banff, Canada), pp. 37-40, International Association of Science and
Technology for Development, 1997.
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V. Lakshmanan, ``Predicting turbulence using partial least squares regression
and an artificial neural network,'' in 7th Conference on Artificial
Applications to the Environmental Sciences, (Atlanta, GA), p. X.Z, Amer.
Meteor. Soc., Jan 2010.
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V. Lakshmanan, ``Tuning an algorithm for identifying and tracking cells,'' in
Southern Thunder 2009 Workshop, (Cocoa Beach, FL), p. CD, Nat. Aero.
Space Admin., July 2009.
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V. Lakshmanan and T. Smith, ``Lighting warning and prediction using
observations and models,'' in 4th Conference on the Meteorological
Applications of Lightning Data, (Phoenix), p. 6.4, Amer. Meteor. Soc., Jan
2009.
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V. Lakshmanan, ``The simpler the better,'' in 6th Conference on Artificial
Applications to the Environmental Sciences, (Phoenix, AZ), p. 3.5, Amer.
Meteor. Soc., Feb 2009.
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V. Lakshmanan, J. Gourley, Z. Flamig, and S. Giangrande, ``A simple data-driven
model for streamflow prediction,'' in 6th Conference on Artificial
Applications to the Environmental Sciences, (Phoenix, AZ), p. J6.2, Amer.
Meteor. Soc., Jan 2009.
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V. Lakshmanan, T. Smith, and R. Rabin, ``Automated real-time extraction of
storm properties from gridded fields,'' in Preprints, Fifth European
Conference on Radar in Meteorology and Hydrology, (Helsinki), Finnish
Meteorological Institute, June 2008.
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V. Lakshmanan, J. Zhang, and C. Langston, ``Quality control of canadian radar
reflectivity data,'' in Preprints, Fifth European Conference on Radar in
Meteorology and Hydrology, (Helsinki), Finnish Meteorological Institute,
June 2008.
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V. Lakshmanan, E. Ebert, and S. Haupt, ``The 2008 artificial intelligence
competition,'' in 6th Conference on Artificial Intelligence Applications
to Environmental Science, (New Orleans), p. 2.1, Amer. Meteor. Soc., Jan
2008.
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V. Lakshmanan and R. Rabin, ``Preprints, nowcasting of thunderstorms from
GOES infrared and visible imagery,'' in 5th GOES Users' Conference,
(New Orleans), p. P1.73, Amer. Meteor. Soc., Jan 2008.
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V. Lakshmanan and K. Hondl, ``A polar-coordinate real-time three-dimensional
rapidly updating merger technique for phased array radar scanning
strategies,'' in 33rd Conference on Radar Meteorology, (Cairns,
Australia), p. 7.4, Amer. Meteor. Soc., Aug. 2007.
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V. Lakshmanan, K. Ortega, and T. Smith, ``Creating spatio-temporal tornado
probability forecasts using fuzzy logic and motion variability,'' in 5th
Conf. on Artificial Intelligence Appl. to Environ. Science, (San Antonio,
TX), Amer. Meteor. Soc., 2007.
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V. Lakshmanan, T. Smith, K. Cooper, J. Levit, K. Hondl, G. Stumpf, and
D. Bright, ``High-resolution radar data and products over the continental
united states,'' in Preprints, 22th Int'l Conf. on Inter. Inf. Proc.
Sys. (IIPS) for Meteor., Ocean., and Hydr., (Atlanta), Amer. Meteor. Soc.,
Feb 2006.
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V. Lakshmanan and G. Stumpf, ``A real-time learning technique to predict
cloud-to-ground lightning,'' in Preprints, Fourth Conference on
Artificial Intelligence Applications to Environmental Science, (San Diego),
p. J5.6, Amer. Meteor. Soc., Jan 2005.
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V. Lakshmanan, G. Stumpf, and A. Witt, ``A neural network for detecting and
diagnosing tornadic circulations using the mesocyclone detection and near
storm environment algorithms,'' in Preprints,21st Int'l Conference on
Information Processing Systems, (San Diego), p. J5.2, Amer. Meteor. Soc.,
Jan 2005.
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V. Lakshmanan, K. Hondl, D. MacGorman, and G. Stumpf, ``Preprints, the use of
lightning mapping array data in WDSS-II,'' in 22nd Conference on
Severe Local Storms, (Hyannis, MA), p. P14.3, Amer. Meteor. Soc., 2004.
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V. Lakshmanan and M. Valente, ``Quality control of radar reflectivity data
using satellite data and surface observations,'' in 20th Int'l Conf. on
Inter. Inf. Proc. Sys. (IIPS) for Meteor., Ocean., and Hydr., (Seattle),
p. 12.2, Amer. Meteor. Soc., Jan 2004.
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V. Lakshmanan, K. Hondl, G. Stumpf, and T. Smith, ``Quality control of
WSR-88D data,'' in 31st Radar Conference, (Seattle), pp. 522-525,
Amer. Meteor. Soc., Aug 2003.
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V. Lakshmanan, ``Motion estimator based on hierarchical clusters,'' in 19th Int'l Conf. on Inter. Inf. Proc. Sys. (IIPS) for Meteor., Ocean., and
Hydr., (Long Beach, CA), Amer. Meteor. Soc., Feb. 2003.
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V. Lakshmanan, ``An extensible, multi-source meteorological algorithm
development interface,'' in 21st Conference on Severe Local Storms,
(San Antonio, TX), Amer. Meteor. Soc., 2002.
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V. Lakshmanan, ``Statistical clustering for hierarchical storm
identification,'' in 21st Conference on Severe Local Storms, (San
Antonio, TX), Amer. Meteor. Soc., 2002.
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R. Lynn and V. Lakshmanan, ``Virtual radar volumes: Creation, algorithm access
and visualization,'' in 21st Conference on Severe Local Storms, (San
Antonio, TX), Amer. Meteor. Soc., 2002.
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V. Lakshmanan, ``Real-time merging of multisource data,'' in 21st
Conference on Severe Local Storms, (San Antonio, TX), Amer. Meteor. Soc.,
2002.
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V. Lakshmanan, ``Real-time merging of multi-source data,'' in 19th Int'l
Conf. on Inter. Inf. Proc. Sys. (IIPS) for Meteor., Ocean., and Hydr.,
(Long Beach, CA), Amer. Meteor. Soc., Feb. 2003.
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V. Lakshmanan, ``Lossless coding and compression of radar reflectivity data,''
in 30th International Conference on Radar Meteorology, (Munich),
pp. 50-52, American Meteorological Society, July 2001.
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V. Lakshmanan, R. Rabin, and V. DeBrunner, ``Segmenting radar reflectivity data
using texture,'' in 30th International Conference on Radar Meteorology,
(Munich), pp. 50-52, American Meteorological Society, July 2001.
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V. Lakshmanan, R. Rabin, and V. DeBrunner, ``Identifying and tracking storms in
satellite images,'' in Second Artificial Intelligence Conference, (Long
Beach, CA), pp. 90-95, American Meteorological Society, 2000.
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V. Lakshmanan and A. Witt, ``Detecting bounded weak echo regions,'' in 28th International Conference on Radar Meteorology, (Austin, TX), p. ???,
American Meteorological Society, 1997.
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V. Lakshmanan, A Heirarchical, Multiscale Texture Segmentation Algorithm
for Real-World Scenes.
PhD thesis, U. Oklahoma, Norman, OK, 2001.
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V. Lakshmanan, ``Interactive three-dimensional viewing of mitral valve leaflet
motion,'' Master's thesis, The Ohio State University, Columbus, 1995.
V. Lakshmanan : valliappa.lakshmanan@noaa.gov