By means of different spectral tools, granule pixels are selected and classified into one of the following six classes:
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@@ -63,7 +55,12 @@ And next figure illustrates some classes generation.

This image of Fiji coastline is displayed in two different false-composites, namely with bands 4/3/2 and bands 8a/3/2. Colored polygons represent four different classes: cyan, yellow, dark blue and green correspond to water, shadow, cloud and clear-sky pixels.
This image of Fiji coastline is displayed in two different false-composites: (a) bands 4/3/2 and (b) bands 8a/3/2. Colored polygons represent four different classes: cyan, yellow, dark blue and green correspond to water, shadow, cloud and clear-sky pixels.