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SUREHYP: An Open Source Python Package for Preprocessing Hyperion Radiance Data and Retrieving Surface Reflectance.

Thomas Miraglio1, Nicholas C Coops1

  • 1Integrated Remote Sensing Studio, Department of Forest Resources Management, University of British Columbia, 2424 Main Mall, Vancouver, BC V6T 1Z4, Canada.

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|December 11, 2022
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Summary
This summary is machine-generated.

The SUREHYP Python package processes Earth Observing-1 Hyperion hyperspectral images to derive surface reflectance. This open-source tool enables global access to valuable satellite data for land cover mapping and vegetation analysis.

Keywords:
atmospheric correctionbatch processingsatellite

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Area of Science:

  • Remote Sensing
  • Earth Observation
  • Geospatial Analysis

Background:

  • Surface reflectance is crucial for land cover mapping, change detection, and vegetation attribute estimation.
  • The Earth Observing-1 Hyperion mission provided a unique archive of satellite-based hyperspectral imagery from 2000-2017.
  • Processing Hyperion imagery to surface reflectance requires significant pre-processing steps.

Purpose of the Study:

  • To introduce SUREHYP, a Python package for batch processing of Hyperion images.
  • To present the SUREHYP workflow for deriving surface reflectance from Hyperion data.
  • To enable wider exploitation of the Hyperion hyperspectral image archive.

Main Methods:

  • Developed SUREHYP, a Python package integrating published algorithms for radiance correction and surface reflectance derivation.
  • Applied the SUREHYP workflow to process batches of Hyperion satellite images.
  • Compared SUREHYP's surface reflectance results against commercial software over a reference target.

Main Results:

  • SUREHYP successfully processes Hyperion imagery to derive surface reflectance.
  • Results show comparable performance to commercial software for flat terrain surface reflectance.
  • Reflectance values across the spectral range were within 10% of commercial software's.
  • SUREHYP is publicly available and open-source.

Conclusions:

  • SUREHYP provides a robust, open-source solution for processing the Hyperion hyperspectral archive.
  • The package facilitates global-scale analysis of valuable satellite-derived surface reflectance data.
  • Enables consistent land cover mapping and vegetation attribute estimation using historical hyperspectral data.