IAPRS & SIS, Vol.34, Part 7, “Resource and Environmental Monitoring”, Hyderabad, India, 2002 
  
  
  
  
Importing digitized 
vector layer from 
ARC/INFO to DIP S/W 
  
  
i 
  
  
Georegistration 
(map > Vector laver) 
  
  
il 
  
  
Loading of satellite data 
to DIP S/W 
  
i 
  
  
Georegistration 
(map — image) 
  
i 
  
  
OVERLA Y 
  
  
il 
  
  
Image extraction for Rohtak 
  
  
il 
  
FCC & NDVI image 
  
il 
  
  
Computing mean NDVI of 
each polygon 
  
  
J 
  
  
Computing spatial correlation 
based on mean NDVI 
  
  
i 
U 
  
   
     
    
   
  
  
  
Supervised Image 
Classification 
using MXL 
  
    
   
  
  
  
  
Finding the class having 
wheat crop 
  
  
  
Sample Selection using 
  
  
  
il 
  
Estimating area under wheat crop 
using Stratified CUBSS 
  
  
Estimating area 
under wheat crop by 
Remote Sensing technique 
  
=: 
3 
  
  
Comparison of estimators 
  
  
Fig. 2 Flow chart of the empirical study integrating GIS and Remote Sensing