International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B2. Istanbul 2004 
  
  
THI 
  
  
  
    
(a) Type-code: 701, Band: Red (Orthophoto) (b) Type 
  
oN BEG ® aN 
KEY V 
  
  
(c) Type-code: 624, Band: Red (Orthophoto) (d) Type-code: 624, Band: NIR (IKONOS) ABSTI 
  
  
Figure 2: Examples of grey level distributions on pixels within unchanged objects sorted by object types and spectral bands. This ar 
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Old Orthophoto: 
   
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images 
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The cla 
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the san 
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one mi 
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Figure 3: due to 
  
  
  
  
these ri 
of land 
  
  
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e coastal 
district 
in the ' 
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big ge 
4 Le Rhi 
  
  
(a) Old Orthophoto 
X . The ris 
‘al the We 
: ged pixels n 
(c) Changed p district 
: > ; ; tnfisroe ans ec to the 
Figure 4: Example of changed pixel cluster which was detected as a part of large area object. ; e 
e c underw