Abstract

Integral imaging is an established method for passive three-dimensional (3D) image formation, visualization, and ranging. The applications of integral imaging include significantly improved scene segmentation and the ability to visualize occluded objects. Past demonstrations of this technique have been mainly conducted over short ranges achievable in the laboratory. In this paper, we demonstrate 3D computational integral imaging for ranges out to 2 km using multiple looks from a single moving mid-wave infrared (MWIR) imager. We also demonstrate 3D visualization of occluded objects at ranges over 200 m. To our knowledge, this paper is the first such demonstration at these ranges and the first example of this technique using a mid wave IR imaging system. In addition to presenting results, we also outline our new approach for overcoming the technical challenges unique to long range applications of integral imaging. Future applications of long range 3D integral imaging may include aerospace, search and rescue, satellite 3D imaging, etc.

© 2013 IEEE

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