Samir A. Ahmed

发表

Neural network approach to retrieve the inherent optical properties of the ocean from observations of MODIS.

I. Ioannou, A. Gilerson, B. Gross, 2011, Applied optics.

Deriving ocean color products using neural networks

I. Ioannou, A. Gilerson, B. Gross, 2013 .

Novel optical techniques for detecting and classifying toxic dinoflagellate Karenia brevis blooms using satellite imagery.

A. Gilerson, B. Gross, F. Moshary, 2009, Optics express.

Assessment of a bidirectional reflectance distribution correction of above-water and satellite water-leaving radiance in coastal waters.

R. Arnone, A. Weidemann, T. Harmel, 2012, Applied optics.

Comparison of Fluorescence Retrieval Algorithms using Radiative Transfer Simulations and Field Measurements

Jing Zhou, Fred Moshary, Samir Ahmed, 2006, 2006 IEEE International Symposium on Geoscience and Remote Sensing.

Retrieval of chlorophyll fluorescence from reflectance spectra through polarization discrimination: modeling and experiments.

J. Chowdhary, A. Gilerson, B. Gross, 2006, Applied optics.

Long Island Sound Coastal Observatory: assessment of above-water radiometric measurement uncertainties using collocated multi and hyperspectral systems.

R. Arnone, A. Weidemann, T. Harmel, 2011, Applied optics.

Population dynamics of Yb3+,Er3+ co-doped phosphate glass

B. Gross, F. Moshary, Samir A. Ahmed, 2004 .

Development of a Ground Based Remote Sensing Approach for Direct Evaluation of Aerosol-Cloud Interaction

Fred Moshary, Barry Gross, B. L. Madhavan, 2012 .

Algorithms for remote estimation of chlorophyll-a in coastal and inland waters using red and near infrared bands.

Alexander A Gilerson, Ioannis Ioannou, A. Gitelson, 2010, Optics express.

Benthic effects on the polarization of light in shallow waters.

Brandon Russell, Heidi M. Dierssen, Michael S. Twardowski, 2013, Applied optics.

Molecular air pollution monitoring by dye laser measurement of differential absorption of atmospheric elastic backscatter.

Samir A. Ahmed, 1973, Applied optics.

Solid state DIAL for the remote sensing of ambient air pollutants

Craig A. Smith, Samir Ahmed, John S. Gergely, 1994, Other Conferences.

Exploring Techniques for Improving Retrievals of Bio-optical Properties of Coastal Waters

A. Gilerson, B. Gross, F. Moshary, 2008 .

OPTICAL PROPERTIES OF AEROSOLS AND THEIR SENSITIVITY TO RELATIVE HUMIDITY AND SIZE DISTRIBUTION IN THE NEW YORK CITY URBAN-COASTAL AREA

B. Gross, F. Moshary, Samir A. Ahmed, 2012 .

A comparison of methods to estimate particle size distribution parameters and associated errors from multiwavelength optical coefficients

B. Gross, F. Moshary, Samir A. Ahmed, 2000, CLEO 2000.

REMOTE ESTIMATION OF CHLOROPHYLL-A IN COASTAL WATERS USING RED AND NEAR INFRARED SPECTRAL REGIONS

A. Gitelson, I. Ioannou, A. Gilerson, 2009 .

Optical properties of cooled Rhodamine B in ethanol

Samir A. Ahmed, J. Moghaddasi, Mohamed. A. Ali, 1991 .

Remote estimation of in water constituents in coastal waters using neural networks

Kaveh Bastani, Robert Foster, Alexander Gilerson, 2014, Remote Sensing.

Assessment of Langley and NASA-GISS Calibration Techniques for MFRSR Aerosol Retrieval

Fred Moshary, Samir Ahmed, Reginald A. Blake, 2014, IEEE Transactions on Geoscience and Remote Sensing.

Lectins : An Analysis

Samir A. Ahmed, M. Radhakrishna, Swapna Honwad, 2016 .

Extension of the graphical technique for estimation of particle size distribution parameters for the consistent intercomparison of diverse sets of multiwavelength lidar derived optical coefficients.

B. Gross, F. Moshary, Samir A. Ahmed, 2005, Applied optics.

Determination of confidence bounds for the graphical estimation of particle size distribution parameters from optical backscatter and extinction measurements

Fred Moshary, Samir Ahmed, Barry Gross, 2004, SPIE Optics + Photonics.

Methods of assessing uncertainty in determining particle size distribution parameters from optical backscatter and extinction measurements

Fred Moshary, Samir Ahmed, Ben R. Herman, 2003, SPIE Optics + Photonics.

Comprehensive examination of radiationless energy transfer models in dyes: Comparisons of theory and experiment

Samir A. Ahmed, Mohamed. A. Ali, 1989 .

Satellite Retrievals of Karenia brevis Harmful Algal Blooms in the West Florida Shelf Using Neural Networks and Comparisons with Other Techniques

Samir Ahmed, Richard P. Stumpf, Ioannis Ioannou, 2016, Remote. Sens..

Simple approach to predict APD/PMT lidar detector performance under sky background using dimensionless parametrization

Fred Moshary, Barry Gross, Ravil R. Agishev, 2006 .

The relationship between upwelling underwater polarization and attenuation/absorption ratio.

Alexander Gilerson, Tristan Harmel, Alberto Tonizzo, 2012, Optics express.

Evaluation of the VIIRS Ocean Color Monitoring Performance in Coastal Regions

Menghua Wang, Robert Foster, Alexander Gilerson, 2013 .

Retrieval of Macro- and Micro-Physical Properties of Oceanic Hydrosols from Polarimetric Observations

Alexander Gilerson, Jacek Chowdhary, Amir Ibrahim, 2016 .

Chlorophyll fluorescence and the polarized underwater light field: comparison of vector radiative transfer simulations and multi-angular hyperspectral polarization field measurements

Samir Ahmed, Ahmed El-habashi, A. El-Habashi, 2016, SPIE Defense + Security.

Development and Operational Analysis of an All-Fiber Coherent Doppler Lidar System for Wind Sensing and Aerosol Profiling

Fred Moshary, Samir Ahmed, Mark F. Arend, 2015, IEEE Transactions on Geoscience and Remote Sensing.

Long Island Sound Coastal Observatory: assessment of above-water radiometric measurement uncertainties using collocated multi and hyper-spectral systems: reply to comment

R. Arnone, A. Weidemann, T. Harmel, 2012 .

Hyperspectral and multispectral above-water radiometric measurements to monitor satellite data quality over coastal area

Robert A. Arnone, Curtiss O. Davis, Alexander Gilerson, 2011, Defense + Commercial Sensing.

Validation of ocean color satellite sensors using coastal observational platform in Long Island Sound

Alexander Gilerson, Amir Ibrahim, Tristan Harmel, 2010, Remote Sensing.

Measurements and simulations of polarization states of underwater light in clear oceanic waters.

Alberto Tonizzo, Michael S Twardowski, Alexander A Gilerson, 2011, Applied optics.

Polarized light in coastal waters: hyperspectral and multiangular analysis.

Fred Moshary, Deric J Gray, Robert A Arnone, 2009, Optics express.

ViLDAR—Visible Light Sensing-Based Speed Estimation Using Vehicle Headlamps

Sabit Ekin, Murat Uysal, Farshad Miramirkhani, 2018, IEEE Transactions on Vehicular Technology.

Evaluation of VIIRS ocean color data using measurements from the AERONET-OC sites

Menghua Wang, Alexander Gilerson, S. Hlaing, 2013, Defense, Security, and Sensing.

Analysis of the Interaction of Aerosol Transport Layers on Local Air Quality

Leona Charles, Fred Moshary, Samir Ahmed, 2008, IGARSS 2008 - 2008 IEEE International Geoscience and Remote Sensing Symposium.

Biological Response to the Dynamic Spectral-Polarized Underwater Light Field

Heidi M. Dierssen, James M. Sullivan, Alexander Gilerson, 2010 .

Analysis of a dual etalon Fabry Perot cavity for application in a geostationary coastal water imager

Barry Gross, Fred Moshary, Samir Ahmed, 2005, SPIE Remote Sensing.

The retrieval of scattering coefficient of marine particles from polarimetric observations

Ahmed El-Habashi, Alex Gilerson, Samir Ahmed, 2013, Optics & Photonics - Optical Engineering + Applications.

Polarization techniques for the retrieval of water parameters from above and below water polarimetric observations

Tristan Harmel, Alberto Tonizzo, Amir Ibrahim, 2012, Defense, Security, and Sensing.

Exploring the relation between polarized light fields and physical-optical characteristics of the ocean for remote sensing applications

Ioannis Ioannou, Tristan Harmel, Alberto Tonizzo, 2011, Optical Engineering + Applications.

Assessment of 412nm bio-optical reflectance estimator for use in atmospheric correction

Fred Moshary, Marco Vargas, Barry Gross, 2009, Optical Engineering + Applications.

Fluorescence extraction from reflectance spectra of ocean water using polarization discrimination

Fred Moshary, Samir Ahmed, Barry Gross, 2006, International Commission for Optics.

Characteristics of polarization techniques for the separation of the overlapping fluorescence and reflectance applied to algae in seawater

Jing Zhou, Fred Moshary, Samir Ahmed, 2004, IGARSS 2004. 2004 IEEE International Geoscience and Remote Sensing Symposium.

Polarization discrimination technique to separate overlapping fluorescence and elastic scattering applied to algae in seawater

Fred Moshary, Samir Ahmed, Barry Gross, 2004, SPIE Optics + Photonics.

Polarization-discrimination technique to maximize the lidar signal-to-noise ratio for daylight operations.

Y. Hassebo, B. Gross, F. Moshary, 2006, Applied optics.

Aerosol hygroscopic models based on in situ measurements and lidar retrievals

B. Gross, F. Moshary, Samir A. Ahmed, 2007 .

Algorithms for remote estimation of chlorophyll-a in coastal and inland waters using red and near infrared bands.

A. Gitelson, W. Moses, I. Ioannou, 2010, Optics express.

Bidirectional reflectance function in coastal waters: modeling and validation

Robert A. Arnone, Alexander Gilerson, Tristan Harmel, 2011, Remote Sensing.

Improvement of MODIS retrieval of aerosols over urban areas using a regionally tuned ground albedo model

Leona Charles, Fred Moshary, Samir Ahmed, 2007, 2007 IEEE International Geoscience and Remote Sensing Symposium.

Examination of hygroscopic properties of aerosols using a combined multiwavelength elastic-Raman lidar

Leona Charles, Fred Moshary, Samir Ahmed, 2007, 2007 IEEE International Geoscience and Remote Sensing Symposium.