The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol. XXXVII. Part B7. Beijing 2008 
531 
a) Asan reservoir b) Rana Pratap Sagar Dam 
0 p 1 p = Membership Value 
Figure 3. Single class water extracted from test data sets using 
AWIFS Images 
Sub-Pixel 
Classification 
Accuracy 
Data of Asan 
reservoir 
Data of Rana 
Pratap Sagar 
Dam 
User’s Accuracy (%) 
Water 
93.3 
95.4 
Producer’s Accuracy 
Water 
93.7 
97.1 
(%) 
Overall Accuracy (%) 
93.7 
97.1 
Table 2. User’s, Producer’s and Overall Accuracies for different 
data sets. 
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Figure 1 : Single class water extracted using PCM classifier