Spatial images from temporal data
Version 2 2020-07-30, 13:55
Version 1 2020-07-30, 13:54
Posted on 2020-07-30 - 13:55
Traditional paradigms for imaging rely on the use of spatial structure either in the detector (pixels arrays) or in the illumination (patterned light).
Removal of spatial structure in the detector or illumination, i.e. imaging with just a single-point sensor, would require solving a very strongly ill-posed inverse retrieval problem that to date has not been solved. Here we demonstrate a data-driven approach in which full 3D information is obtained with just a single-point, single-photon avalanche diode that records the arrival time of photons reflected from a scene that is illuminated with short pulses of light. Imaging with single-point time-of-flight (temporal) data opens new routes in terms of speed, size, and functionality. As an example, we show how the training based on an optical time-of-flight camera enables a compact radio-frequency impulse RADAR transceiver to provide 3D images.
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Turpin, Alex; Musarra, Gabriella; Kapitany, Valentin; Tonolini, Francesco; Lyons, Ashley; Starshynov, Ilya; et al. (2020). Spatial images from temporal data. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.4886586.v2
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AUTHORS (10)
AT
Alex Turpin
GM
Gabriella Musarra
VK
Valentin Kapitany
FT
Francesco Tonolini
AL
Ashley Lyons
IS
Ilya Starshynov
FV
Federica Villa
ec
enrico conca
FF
Francesco Fioranelli
RM
Roderick Murray-Smith