Brightness - Remote Sensing and GIS Laboratory

a) In a viewer, load the Land cover image
b) Select two land cover categories – your choice -
c) For each category, determine the location (X, Y coordinates) for 5 points of your choice – try to
select these points so that they are spread over the image but within the land cover category that
you are assessing
d) Write down those coordinates
e) In a new viewer, load one of the BGW images you just derived
f) Extract the pixel information – not the LUT value! – for each one of the 5 points for the
GREENNESS channel
g) Repeat (e) and (f) for the other two BGW images
h) Record your values in a table / prepare a simple graph and annotate your observations