3-D tomographic imaging of ocean mines from real and simulated lidar returns

Nail Çadalli, Peter J. Shargo, David C. Munson, Andrew C. Singer

Research output: Contribution to journalArticle

Abstract

Airborne lidar provides an effective method for detection and localization of underwater objects, where the transmitted laser beam can penetrate the air-water interface and illuminate the scatterers within the water column, and the optical field generated by this scattering can be collected and processed. Here, we consider the use of lidar data collected from different observation angles of a particular water volume to image objects of interest. Interpreting the lidar returns as tomographic projections of a 3-D reflectivity field, we formulate the problem as a 3-D tomographic image reconstruction problem. We show tomographic reconstructions from both real and synthetic data sets. The real data was collected by a Lockheed-Sanders lidar system in a U.S. Navy field test. The synthetic data is produced by using an accurate statistical model that incorporates multiple scattering.

Original languageEnglish (US)
Pages (from-to)155-166
Number of pages12
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4488
DOIs
StatePublished - Jan 1 2002

Fingerprint

3D Imaging
Lidar
Optical radar
optical radar
Ocean
oceans
Imaging techniques
Synthetic Data
Water
scattering
Sanders
water
navy
Multiple Scattering
Multiple scattering
field tests
3D Reconstruction
3D Image
Image Reconstruction
Reflectivity

Keywords

  • Bistatic lidar equations
  • Lidar
  • Multiple scattering
  • Ocean optics
  • Radiative transfer
  • Tomography

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

3-D tomographic imaging of ocean mines from real and simulated lidar returns. / Çadalli, Nail; Shargo, Peter J.; Munson, David C.; Singer, Andrew C.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 4488, 01.01.2002, p. 155-166.

Research output: Contribution to journalArticle

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