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Non-line-of-sight snapshots and background mapping with an active corner camera

Engineering and Technology

Non-line-of-sight snapshots and background mapping with an active corner camera

S. Seidel, H. Rueda-chacón, et al.

Discover an innovative active non-line-of-sight imaging technique that not only reconstructs moving objects but also reveals hidden stationary backgrounds with just a single snapshot. This groundbreaking research, conducted by Sheila Seidel, Hoover Rueda-Chacón, Iris Cusini, Federica Villa, Franco Zappa, Christopher Yu, and Vivek K Goyal, promises to elevate situational awareness across numerous applications.

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Playback language: English
Abstract
This paper presents a novel active non-line-of-sight (NLOS) imaging method capable of reconstructing both moving objects and the stationary background hidden from direct view. Unlike previous methods requiring laser scanning, this approach uses a single snapshot acquisition with an active corner camera to achieve this. By modeling the optical response more completely and exploiting occlusion from a vertical wall edge, the system accurately reconstructs foreground objects while simultaneously mapping the stationary scene behind them. This capability enhances situational awareness in various applications.
Publisher
Nature Communications
Published On
Jun 21, 2023
Authors
Sheila Seidel, Hoover Rueda-Chacón, Iris Cusini, Federica Villa, Franco Zappa, Christopher Yu, Vivek K Goyal
Tags
active imaging
non-line-of-sight
object reconstruction
situational awareness
snapshot acquisition
optical response
occlusion

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