The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol. XXXVII. Part B5. Beijing 2008 
Original terrain Compressed terrain (Bit Rate=0.3,PNSR=34.7) 
Figure 8. Flat area 
Compressed terrain (Bit Rate=l.l, PNSR=22.38) 
Figure 9. Mountainous area 
Figure 10. The global interface 
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