Pose estimation using time-resolved inversion of diffuse light

Dan Raviv, Christopher Barsi, Nikhil Naik, Micha Feigin, Ramesh Raskar

Research output: Contribution to journalArticlepeer-review

Abstract

We present a novel approach for evaluation of position and orientation of geometric shapes from scattered time-resolved data. Traditionally, imaging systems treat scattering as unwanted and are designed to mitigate the effects. Instead, we show here that scattering can be exploited by implementing a system based on a femtosecond laser and a streak camera. The result is accurate estimation of object pose, which is a fundamental tool in analysis of complex scenarios and plays an important role in our understanding of physical phenomena. Here, we experimentally show that for a given geometry, a single incident illumination point yields enough information for pose estimation and tracking after multiple scattering events. Our technique can be used for single-shot imaging behind walls or through turbid media.

Original languageEnglish
Pages (from-to)20164-20176
Number of pages13
JournalOptics Express
Volume22
Issue number17
DOIs
StatePublished - 25 Aug 2014
Externally publishedYes

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