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Spatially resolved indirect imaging of objects beyond the line of sight
Author(s): Prasanna Rangarajan; Florian Willomitzer; Oliver Cossairt; Marc P. Christensen
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Paper Abstract

The nascent field of indirect imaging is concerned with the recovery of information pertaining to objects that are beyond the line-of-sight (LoS) and hidden from view. Current approaches to indirect imaging are either limited in their ability to recover spatially resolved imagery (resolution of few centimeters at 1-meter standoff) or impose severe restrictions on the imaging geometry. The present work examines two approaches that recover spatial detail on hidden objects by exploiting spatial and spectral correlation in the light scattered by the objects. Experiments have demonstrated the ability to discern sub-millimeter spatial detail, on centimeter sized objects positioned 1-meter behind a wall.

Paper Details

Date Published: 6 September 2019
PDF: 8 pages
Proc. SPIE 11135, Unconventional and Indirect Imaging, Image Reconstruction, and Wavefront Sensing 2019, 111350I (6 September 2019); doi: 10.1117/12.2529001
Show Author Affiliations
Prasanna Rangarajan, Southern Methodist Univ. (United States)
Florian Willomitzer, Northwestern Univ. (United States)
Oliver Cossairt, Northwestern Univ. (United States)
Marc P. Christensen, Southern Methodist Univ. (United States)


Published in SPIE Proceedings Vol. 11135:
Unconventional and Indirect Imaging, Image Reconstruction, and Wavefront Sensing 2019
Jean J. Dolne; Mark F. Spencer; Markus E. Testorf, Editor(s)

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