areas and channel combinations:
Area Channels mo [Density Value]
fl fe 5 1.29
1 607 1.33
2 Ho 5 2.21
2 607 1.14
Table 2
When scanning, the radiation intensities are digitized in
discrete steps of 1. From this a random minimum a-priori
dispersion of + 1 can be estimated. The m,-values indicated
so that a
for the areas 1 and 2 are in the same magnitude,
random distribution can be assumed for the residuals. From
this follows for the examples mentioned above that th
and that a linear dependency
s for the
ese-
lected funetional model fits,
of the channels ! and 5 as well as of 6 and 7 exist
apeas 1 and 2. Apparently, this does no more apply to the
same channel combinations of the area 5. One obtains consid-
erabiy higher m,-values amounting to 5.15 and 7.10. This
yields result 1:
In the selected example of the li-channel-LANDSAT-data the
linear dependency can only be assumed between the channels
I and 5 as well as between 6 and 7 for small area sections
À
with relatively small data quantity.
li. Examination of the Residuals
Each particular residual obtained from the adjustment is
computed according to equation (1) and subjected to a modi-
fied Student-t-test. As test quantity is used: