2 A : 10.0m 
20cm Fig. 2a: Orthoimage and contours, 
surface reconstruction using 3 images 
orthoimage scale: 12:900 
equidistance of contours: 0.2m 
*4 Fig. 2b: Standard deviations oz of DTM, fig. 2a 
+10cm 
  
Fig. 2c: 
Ocm the marked area in fig. 2a, and corresponding residual image 
  
Figure 2: Example 'Meadow' 
760 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B3. Vienna 1996