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Infrared sensors can now peer around corners – an IEEE report

Infrared sensors can now peer around corners – an IEEE report

Technology News |
By Wisse Hettinga



Non-line-of-sight imaging is no longer restricted to visible wavelengths of light

IEEE reports

Just because an object is around a corner doesn’t mean it has to be hidden. Non-line-of-sight imaging can peek around corners and spot those objects, but it has so far been limited to a narrow band of frequencies. Now, a new sensor can help extend this technique from working with visible light to infrared. This advance could help make autonomous vehicles safer, among other potential applications.

Non-line-of-sight imaging relies on the faint signals of light beams that have reflected off surfaces in order to reconstruct images. The ability to see around corners may prove useful for machine vision—for instance, helping autonomous vehicles foresee hidden dangers to better predict how to respond to them, says Xiaolong Hu, the senior author of the study and a professor at Tianjin University in Tianjin, China. It may also improve endoscopes that help doctors peer inside the body.

 

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