Range of negative values in some images

#2
by mespinosami - opened
Major TOM org

Hi
I have found (in addition to the "nodata" values), that some images have quite a spread of negative values. Any idea what this could be? (sensor artifacts?)

Example 1:

  • Hillshade visualisation
    band_0.png
  • Greyscale visualisation
    band_0_gray.png
  • Histogram (just plotting the relevant part)
    visualization-672-DEM.png

Example 2:

  • Hillshade visualisation
    band_0.png
  • Greyscale visualisation
    band_0_gray.png
  • Histogram (just plotting the relevant part)
    visualization-867-DEM.png

Thanks,

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