191. 266. 
Fig. 1 Histgram of training data using 
spectral features for crop fields. 
  
  
  
opt X 
\ 
127. 191. 255. 
Fig. 2 Histgram of training data composed 
of first and second principal com- 
ponents from spectral data and a 
first principal component from 
texture data for crop fields. 
  
Fig. 3 Changed regions in land use accor- 
ding to subtraction between LAND- 
SAT images on 1972 and 1979. 
685