Deep Network Radiative Transfer: A Revolution in Imaging Spectrometer Atmospheric Correction, Year 1

Enables accurate Maximum A Posteriori inversion. Leverages full spectral information to estimate smooth perturbation from scattering, coupled BRDF. Trained "forward model" captures rigorous physics interpretation of underlying RTM.

Visible Shortwave Infrared (VSWIR) atmospheric correction is key for global terrestrial & aquatic ecosystem studies. Capability need: 2 order of magnitude speedup. 0.1 seconds per iteration enables accurate iterative numerical inversion. Potential applications include: • Atmospheric correction for airborne VSWIR spectrometers (AVIRIS-NG, AVIRIS-C, ACIS, and future instruments). • Orbital VSWIR spectrometers (EMIT, SBG) • Extensible to water column modeling for ocean color, inland water quality, and coastal ecosystem studies (PRISM, CORAL, PACE, EV-S proposals) • Extensible to thermal IR for HyTES and longwave IR imaging spectrometers for Earth and planetary

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