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The simplicity, complexity, and benefits of multi-aperture imaging in the thermal infrared

We describe how the use of multiple-camera imaging systems provides an interesting alternative imaging modality to conventional single-aperture imaging, but with a different challenge: to computationally integrate diverse images while demonstrating an overall system benefit. We report the use of super-resolution with arrays of nominally identical longwave infrared cameras to yield high-resolution imaging with reduced track length, while various architectures enable foveal imaging, 4π and 3D imaging through the exploitation of integral imaging techniques. Strikingly, multi-camera spectral imaging using a camera array can uniquely demonstrate video-rate imaging, high performance and low cost. © (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.

Andrew R. HarveyGuillem CarlesLaura CowanMiguel PreciadoJason RalphJames BabingtonAndy Wood, "The simplicity, complexity, and benefits of multi-aperture imaging in the thermal infrared", Proc. SPIE 10438, Emerging Imaging and Sensing Technologies for Security and Defence II, 1043806 (6 October 2017); doi: 10.1117/12.2278492;