Three-dimensional LADAR range estimation using expectation maximization

Dolce, Paul F.; Cain, Stephen C.

doi:doi:10.1117/1.3569126

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Journal of Applied Remote Sensing / Volume 5 / Research Papers

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Three-dimensional LADAR range estimation using expectation maximization

J. Appl. Remote Sens. 5, 053513 (Mar 24, 2011); http://dx.doi.org/10.1117/1.3569126

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Abstract

References (7)

Citing Articles (1)

Paul F. Dolce and Stephen C. Cain

Air Force Institute of Technology, Graduate School of Engineering and Management, 2950 Hobson Way, Building 641, Wright Patterson AFB, Ohio 45433

Laser detection and ranging (LADAR) systems can be used to provide 2-D and 3-D images of scenes. Generally, 2-D images possess superior spatial resolution but without range data due to the density of their focal plane arrays. A 3-D LADAR system can produce range-to-target data at each pixel but lacks the 2-D system's superior spatial resolution. We develop an algorithm using an expectation maximization approach to estimate both 3-D LADAR range and the bias associated with a 3-D LADAR system. The algorithm we develop demonstrates both spatial and range resolution improvement over standard interpolation techniques using both real and simulated 3-D and 2-D LADAR data.

History

Received Sep 24, 2010
Accepted Mar 01, 2011
Revised Mar 01, 2011
Published online Mar 24, 2011

Digital Object Identifier

http://dx.doi.org/10.1117/1.3569126

Citation

Paul F. Dolce and Stephen C. Cain, "Three-dimensional LADAR range estimation using expectation maximization", J. Appl. Remote Sens. 5, 053513 (Mar 24, 2011); http://dx.doi.org/10.1117/1.3569126