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Seeing around corners with edge-resolved transient imaging

Engineering and Technology

Seeing around corners with edge-resolved transient imaging

J. Rapp, C. Saunders, et al.

Discover the groundbreaking research by Joshua Rapp and colleagues on edge-resolved transient imaging (ERTI), a novel method that captures images of hidden objects even when they're out of sight. With ERTI, achieve remarkable 2.5-dimensional visuals up to 3 meters in concealed spaces, all with minimal scanning effort and extraordinary precision.

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Playback language: English
Abstract
Non-line-of-sight (NLOS) imaging aims to create images of objects outside the field of view. This paper proposes a method called edge-resolved transient imaging (ERTI) that leverages vertical edges and a pulsed light source to achieve angular and longitudinal resolution. ERTI uses an acquisition strategy, scene response model, and reconstruction algorithm to generate 2.5-dimensional representations (plan view plus heights) with a 180° field of view for large-scale scenes. Experiments show accurate reconstructions of hidden rooms up to 3 meters in dimension using a small scan aperture and few measurement locations.
Publisher
Nature Communications
Published On
Nov 23, 2020
Authors
Joshua Rapp, Charles Saunders, Julián Tachella, John Murray-Bruce, Yoann Altmann, Jean-Yves Tourneret, Stephen McLaughlin, Robin M. A. Dawson, Franco N. C. Wong, Vivek K. Goyal
Tags
Non-line-of-sight imaging
Edge-resolved transient imaging
2.5-dimensional representations
Pulsed light source
Angular resolution
Longitudinal resolution
Large-scale scenes

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