0.0 
  
  
  
MEMBERSHIP 
  
  
  
  
  
  
VALUE 
Figure 2(a) S function ( ofter Zodeh,1975). 
0.0 
VALUE 
Figure 2(b): T ( bell shaped ) function 
Table 3. Summary of the results of examples 
(after Zadeh, 1975). 
  
NAME 
SAMPLEI 
  
  
X! 
X2 
x3 
  
  
Linguistic Variables Fuzzy Labeis for INFERENCE 
NDVI|HUE TONE NDVI HUE TONE MIXED HARD 
0.26 |9.80 13 |Medium(i.0) Low(1.0) Not SOIL(1.0) SOIL 
| . 
| Required (Pure) 
30.02 4229.11] 22 Low(0.12) | Medium(0.8) |Medium(1.0)| SOIL(0.88) SOIL 
  
| 
-0.17 1180.0| 14 
| Medium 
/ 
  
  
Medium(0.88) | High(0.2) 
Low(0.55) |Medium(0.996) | Low(0.22) |WATER(0.55) | WATER 
(0.45) | High(0.004) |Medium(1.0) | SOIL(0.45) 
High(0.78) VEGETATION 
  
  
High(1.0) |WATER(0.12) 
(0.004) 
  
  
  
  
  
  
  
APPENDIX- A 
  
jong Covers 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
> of 
ems scene 
| water Soil Vegetation 
T ^ 
a / 
; Built -u 3 
River Ponds Area P Barren Forest Non -Forest 
Building Roads Dense Open Agriculture Scrubs 
  
  
  
  
  
  
  
  
  
  
Fig.3 Classification hierarchy of land covers 
244 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B3. Vienna 1996 
   
   
  
  
   
  
   
  
   
   
    
    
  
    
    
  
  
   
   
     
     
     
  
    
   
  
   
   
    
KEY V 
ABSTR 
We deri 
during t 
compar 
of surfa 
scale fe 
Photog 
"shape: 
inform 
Traditic 
stereo 
photog 
acquire 
satellite 
missior 
process 
from i 
"shape 
digital 
The fa 
single 
planetz 
transm 
stereo 
planete 
of atm 
The ba 
brightr 
genera 
photo 
topogr 
topogr 
origin: 
ridges 
shado 
has sii 
1985; 
the ou 
The tv 
topogr 
priori 
sugges 
been 1 
suffer 
compl 
In sun 
astero 
the t