Snapshot hyperspectral light field imaging using image mapping spectrometry

Qi Cui, Jongchan Park, R. Theodore Smith, Liang Gao

Research output: Contribution to journalArticlepeer-review

Abstract

In this Letter, we present a snapshot hyperspectral light field imaging system using a single camera. By integrating an unfocused light field camera with a snapshot hyperspectral imager, the image mapping spectrometer, we captured a five-dimensional (5D) (x, y, u, v, λ) (x, y, spatial coordinates; u, v, emittance angles; λ, wavelength) datacube in a single camera exposure. The corresponding volumetric image (x, y, z) at each wavelength is then computed through a scale-depth space transform. We demonstrated the snapshot advantage of our system by imaging the spectral-volumetric scenes in real time.

Original languageEnglish (US)
Pages (from-to)772-775
Number of pages4
JournalOptics Letters
Volume45
Issue number3
DOIs
StatePublished - Feb 1 2020

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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