Terrestrial remote sensing toolkit

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CRSSIS The University of Queensland
Fundamentals

- Main page
- Pre-processing
  - Image acquisition
  - When to correct
  - Correction types
    - Radiometric
    - Atmospheric
    - Geometric
  - Masking
- Field data collection
- Mapping approaches
- Change and trends
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# Sun-glint corrections

Sun glint correction: A) Uncorrected image, B) image corrected for sun glint, C) Quickbird image with excessive sun glint, and D) comparison image from the same reef.

The sun-glint component of the remotely sensed signal is removed from visible wavelength spectral bands by using information from a spectral band in near-infrared (NIR, 700-910 nm).

## References:

Hedley, J. D., A. R. Harborne and P. J. Mumby (2005). "Simple and robust removal of sun glint for mapping shallow-water benthos." International Journal of Remote Sensing 26(10): 2107-2112.

Hochberg, E. J., M. J. Atkinson and S. Andréfouët (2003). "Spectral reflectance of coral reef bottom-types worldwide and implications for coral reef remote sensing." Remote Sensing of Environment 85(2): 159-173.

Kutser, T., E. Vahtmae and J. Praks (2009). "A sun glint correction method for hyperspectral imagery containing areas with non-negligible water leaving NIR signal." Remote Sensing of Environment 113(10): 2267-2274.