A first look at band-differenced angular signatures for cloud detection from MISR

Larry Di Girolamo, Michael J. Wilson

Research output: Contribution to journalArticlepeer-review

Abstract

We present the first observational study on the potential of band-differenced angular signatures for cloud detection. A band-differenced angular signature is the reflectance difference between the blue and near-infrared channels examined as a function of view angle, and it is observed in this study from the Multi-angle Imaging SpectroRadiometer (MISR). The observed band-differenced angular signatures over a variety of scene types qualitatively compare well with previously published theoretical predictions. Examples of cloud detection in polar and desert regions using band-differenced angular signatures from MISR are shown to highlight its contribution to cloud detection in areas where traditional spectral techniques tend to perform poorly.

Original languageEnglish (US)
Pages (from-to)1730-1734
Number of pages5
JournalIEEE Transactions on Geoscience and Remote Sensing
Volume41
Issue number7 PART II
DOIs
StatePublished - Jul 2003

Keywords

  • Angular signature
  • Cloud detection
  • Multi-angle Imaging SpectroRadiometer (MISR)
  • Polar

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Earth and Planetary Sciences(all)

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