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Optics Express· 2015Q1

Non-line-of-sight imaging using a time-gated single photon avalanche diode

Mauro Buttafava, Jessica Zeman, Alberto Tosi, Kevin W. Eliceiri et al.

Short summary

A new non-line-of-sight imaging system uses a single-pixel, time-gated single photon avalanche diode (SPAD) to reconstruct images from scattered light, offering improved power, size, cost, and speed over previous methods.

AI-generated from the title and abstract; the full text is not read.

Key points

  • Reconstructs images of hidden objects using time-of-flight information from scattered light.
  • Utilizes a single-pixel, time-gated single photon avalanche diode (SPAD) detector.
  • Offers improvements in power, size, cost, and reconstruction time compared to prior systems.
  • Maintains comparable time resolution to existing NLOS imaging techniques.

AI-generated from the title and abstract; the full text is not read.

Abstract

By using time-of-flight information encoded in multiply scattered light, it is possible to reconstruct images of objects hidden from the camera's direct line of sight. Here, we present a non-line-of-sight imaging system that uses a single-pixel, single-photon avalanche diode (SPAD) to collect time-of-flight information. Compared to earlier systems, this modification provides significant improvements in terms of power requirements, form factor, cost, and reconstruction time, while maintaining a comparable time resolution. The potential for further size and cost reduction of this technology make this system a good base for developing a practical system that can be used in real world applications.

The authors' abstract, as published at the source. Optics Express, 2015 · DOI ↗

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Field: Instrumentation

InstrumentationPhysics and Astronomy