high 
ght, im- 
of the 
2veloped, 
classi- 
jed in 
tion 
(1.1) 
dg. 1 
ral 
gure 
lay be 
nt the 
which 
| the 
  
  
  
  
Band 1 grey values (9,) — 
ors Fig. 1: Two-dimensional feature space 
y) is à 
variance | 
). 
| the 
X Vegetation. 
      
ing a 
aximum 
an va- 
ing 
ined 
* X 
Y x % 
4- 
x 
nts x * 
x x 
x x 
Water 
(Zn1) 
Band 2 grev values 
» 
  
  
Band 1 grey values —— 
Fig. 2: Hyperplanes separating the three object classes 
e grey 
57