International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B3. Istanbul 2004 
Acknowledgements 
Thanks for the supporting from Natural Science Fund of P. R. 
China (No. 40171081). Thanks Jacek Grodecki and Gene Dial 
of SPACEIMAGE for supporting the IKONOS data and 
materials. 
References 
[1] Grodecki, J., 2001. Ikonos stereo feature extraction-RPC approach. 
Proc. ASPRS Annual Conference, St. Louis, 23-27 April. 7 (on 
CDROM). 
[2] Grodecki, J., Dial, G., 2003. Block adjustment of high-resolution 
satellite images described by rational functions. Photogrammetric 
Engineering and Remote Sensing 69 (1), 59-68. 
[3] Fraser, C.S., Hanley, H.B., Yamakawa, T., 2002a. 3D positioning 
accuracy of Ikonos imagery, Photogrammetric Record 17 (99), 
465-479. 
[4] Fraser, C.S., Hanley, H.B., Yamakawa, T., 2002b, High-precision 
geopositioning from Ikonos satellite imagery, Proceedings ASPRS 
Annual Meeting, Washington DC, 22-26 May. 9 (on CDROM). 
[5] Fraser, C.S., Baltsavias, E., Gruen, A., 2002c. Processing of Ikonos 
imagery for submeter 3D positioning and building extraction. 
ISPRS Journal of Photogrammetry and Remote Sensing 56 (3), 
177-194. 
[6] Jianqing Zhang, Shunyi Zheng, Yong Zhang, 2003, DTM modelling 
from remote sensing image with high resolution. Third 
International Symposium on Multi-spectral Image Processing and 
Pattern Recognition, Beijing, 20-22 October. 
[7] Zhang J., Zhang Z., 2002, Strict Geometric Model Based on Affine 
Transformation for Remote Sensing Image with High Resolution: : 
Int. Archives of ISPRS, Vol. XXXIV, Part 3B, Comm. III. 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
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Figure 3: The location of GCPs with the first test block. The block has 15 IKONOS images in three orbits. There are 86 
GCPs in all. The block adiustment has been tested for all the 86 GCPs, 20 GCPs and 8 GCPs three cases respectively. 
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8 GCPs 
     
   
   
  
  
  
  
   
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
   
  
  
  
  
  
  
  
  
  
   
  
    
   
  
  
   
    
   
  
  
  
  
  
  
  
   
POTENT 
GROUND C 
5 DG 
KEY WORDS: Ge 
ABSTRACT: 
Though the ERS sa 
missions" covers the 
altimetric measurem 
which come usually 
through a software 4 
altitudes, applying tc 
very accurate altituc 
explained. The valid 
control a global heig 
quantitative evaluati 
the altimeter radio | 
original simulation : 
altimeter data in mo 
RESUME : 
Bien que les satellite 
mission géodésique 
d'abord le principe g 
décrit la méthode ad. 
libre (fleuves, lacs .. 
pour but d'associer | 
zones d'eau facilem« 
conduit à l'extractior 
pour sélectionner les 
démontré une précisi 
utilisée dans la com 
l’altimètre ERS en fc 
contribuant au signal 
de simulation, déve 
altimétriques ERS da 
1 
The huge quantity of 
‚during its geodetic 
under certain conditi. 
to be used in quality 
elevation control p: 
Imagery. This is par 
ground operations in 
the mapping projec 
con ents.