Adapting high-resolution speckle imaging to moving targets and platforms

Carmen J. Carrano; James M. Brase

doi:10.1117/12.542352

30 August 2004 Adapting high-resolution speckle imaging to moving targets and platforms

Carmen J. Carrano, James M. Brase

Proceedings Volume 5409, Airborne Intelligence, Surveillance, Reconnaissance (ISR) Systems and Applications; (2004) https://doi.org/10.1117/12.542352
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

High-resolution surveillance imaging with apertures greater than a few inches over horizontal or slant paths at optical or infrared wavelengths will typically be limited by atmospheric aberrations. With static targets and static platforms, we have previously demonstrated near-diffraction limited imaging of various targets including personnel and vehicles over horizontal and slant paths ranging from less than a kilometer to many tens of kilometers using adaptations to bispectral speckle imaging techniques. Nominally, these image processing methods require the target to be static with respect to its background during the data acquisition since multiple frames are required. To obtain a sufficient number of frames and also to allow the atmosphere to decorrelate between frames, data acquisition times on the order of one second are needed. Modifications to the original imaging algorithm will be needed to deal with situations where there is relative target to background motion. In this paper, we present an extension of these imaging techniques to accommodate mobile platforms and moving targets.

Citation Download Citation

Carmen J. Carrano and James M. Brase "Adapting high-resolution speckle imaging to moving targets and platforms", Proc. SPIE 5409, Airborne Intelligence, Surveillance, Reconnaissance (ISR) Systems and Applications, (30 August 2004); https://doi.org/10.1117/12.542352

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