Dr. I-Lok Chang Profile

Dr. I-Lok Chang

Associate Professor

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Publications (7)

Proceedings Article | 25 October 2012 Paper

Recent advances in calibration of the GOES Imager visible channel at NOAA

Charles Dean, I-Lok Chang, Zhenping Li, Michael Weinreb, Xiangqian Wu, Fangfang Yu

Proceedings Volume 8510, 85100M (2012) https://doi.org/10.1117/12.929036

KEYWORDS: Calibration, Stars, Imaging systems, Satellites, MODIS, Time metrology, Signal attenuation, Satellite imaging, Modulation, Visible radiation

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Proceedings Article | 15 October 2012 Paper

Refined algorithms for star-based monitoring of GOES Imager visible-channel responsivities

I-Lok Chang, Charles Dean, Zhenping Li, Michael Weinreb, Xiangqian Wu, P. Swamy

Proceedings Volume 8510, 85100R (2012) https://doi.org/10.1117/12.928892

KEYWORDS: Stars, Sensors, Imaging systems, Satellites, Signal detection, Calibration, Signal processing, Satellite imaging, Surface plasmons, Reliability

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Proceedings Article | 21 August 2009 Paper

A sampling technique in the star-based monitoring of GOES imager visible-channel responsivities

I-Lok Chang, Charles Dean, Michael Weinreb, Xiangqian Wu

Proceedings Volume 7452, 74520R (2009) https://doi.org/10.1117/12.825432

KEYWORDS: Stars, Imaging systems, Satellites, Sun, Satellite imaging, Signal processing, Modulation, Calibration, Sensors, Roads

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Proceedings Article | 21 August 2008 Paper

Using raw star signals in the monitoring of GOES imager visible-channel responsivities

I-Lok Chang, Charles Dean, Michael Weinreb, Xiangqian Wu, Dejiang Han, Kenneth Mitchell, Zhenping Li, Gordana Sindic-Rancic, Fanfang Yu

Proceedings Volume 7081, 70810G (2008) https://doi.org/10.1117/12.795751

KEYWORDS: Stars, Sensors, Imaging systems, Signal detection, Satellites, Signal to noise ratio, Calibration, Navigation systems, Roads, Satellite imaging

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Proceedings Article | 22 August 2005 Paper

Monitoring GOES Imager visible-channel responsivities using empirical distribution functions of Earth data

David Crosby, Jeanette Baucom, I-Lok Chang, Charles Dean, Dejiang Han, Larry McMillin, Michael Weinreb, Xiangqian Wu

Proceedings Volume 5882, 58820O (2005) https://doi.org/10.1117/12.616933

KEYWORDS: Imaging systems, Stars, Data modeling, Calibration, Satellites, Statistical modeling, Satellite imaging, Aerospace engineering, Environmental sensing, Clouds

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Proceedings Article | 22 August 2005 Paper

Improvements in the star-based monitoring of GOES Imager visible-channel responsivities

I-Lok Chang, Charles Dean, Dejiang Han, David Crosby, Michael Weinreb, Jeanette Baucom, Perry Baltimore, Xiangqian Wu

Proceedings Volume 5882, 58820M (2005) https://doi.org/10.1117/12.614601

KEYWORDS: Stars, Sensors, Signal detection, Imaging systems, Signal to noise ratio, Surface plasmons, Calibration, Satellites, Databases, Satellite imaging

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Proceedings Article | 15 October 2004 Paper

Data selection criteria in star-based monitoring of GOES imager visible-channel responsivities

I-Lok Chang, David Crosby, Charles Dean, Michael Weinreb, Perry Baltimore, Jeanette Baucom, Dejiang Han

Proceedings Volume 5546, (2004) https://doi.org/10.1117/12.559714

KEYWORDS: Stars, Sensors, Signal to noise ratio, Signal detection, Imaging systems, Satellites, Calibration, Surface plasmons, Visible radiation, Detection and tracking algorithms

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Showing 5 of 7 publications

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