“Fast back-projection for non-line of sight reconstruction” by Arellano, Gutierrez and Jarabo

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Entry Number: 79

Title:

    Fast back-projection for non-line of sight reconstruction

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Abstract:


    Recent works have demonstrated non-line of sight (NLOS) reconstruction by using the time-resolved signal from multiply scattered light. These works combine ultrafast imaging systems with computation, which back-projects the recorded space-time signal to build a probabilistic map of the hidden geometry. Unfortunately, this computation is slow, becoming a bottleneck as the imaging technology improves. In this work, we propose a new back-projection technique for NLOS reconstruction, which is up to a thousand times faster than previous work, with negligible quality loss.

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