International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XXXIX-B7, 2012 
XXI! ISPRS Congress, 25 August — 01 September 2012, Melbourne, Australia 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Trento Absolute Error [m] on matched points - Tile 1 
DSM | BIAS | ST.DEV. |  RMSELE95 | LE95 | # Points 
Non post-processed 
Ascending 0.84 5.45 3.52 17.50 114250 
Descending -1.59 4.67 4.94 14.04 137899 
Post-processed (SRTM, 20 m threshold) 
Ascending 0.65 4.67 4.72 13.40 108705 
Descending -1.18 4.20 4.36 12.55 123037 
Post-processed (SRTM, 15 m threshold) 
Ascending 0.62 4.48 4.53 12.83 104756 
Descending -0.83 4.20 4.28 11.24 106193 
Trento Absolute Error [m] on matched points - Tile 2 
DSM BIAS | ST.DEV. | RMSELE9 | LE95 # Points 
Non post-processed 
Ascending 1.28 6.96 7.08 20.42 71772 
Descending -0.90 8.99 9.03 30.58 86062 
Post-processed (SRTM, 20 m threshold) 
Ascending 1.30 6.24 6.38 16.10 67776 
Descending -0.45 6.26 6.27 17.98 71736 
Post-processed (SRTM, 15 m threshold) 
Ascending 1.14 5.95 6.06 1523 63605 
Descending 0.13 5.80 5.80 16.22 61851 
Table 2. Trento matched points analysis results 
Trento DSM Absolute Error [m] - Tile 1 
DSM BIAS | ST.DEV. | _RMSELE95 | LE95 # Points 
Non post-processed 
Ascending -0.09 11.43 11.43 51.58 298937 
Descending -1.84 5.62 5.91 17.63 289522 
Merged -1.19 7,82 7.92 33-37 303522 
Post-processed (SRTM, 20 m threshold) 
Ascending 0.88 5.20 5.28 14.38 286049 
Descending -1.23 4.56 4.72 14.61 289525 
Merged -0.44 4.80 4.82 14.09 290566 
Post-processed (SRTM, 15 m threshold) 
Ascending 1.07 4.89 S.01 13.86 286046 
Descending -0.43 4.60 4.62 13.18 289496 
Merged 0.19 4.81 4.81 14.10 290533 
Trento DSM Absolute Error [m] - Tile 2 
DSM BIAS | ST.DEV. |  RMSELE9S | LE95 # Points 
Non post-processed 
Ascending 2.54 11.30 11.59 86.69 115247 
Descending -0.14 13.37 13.37 87.61 116980 
Merged -1.04 9.45 9.51 29.07 117330 
Post-processed (SRTM, 20 m threshold) 
Ascending 1.14 7.13 7.23 20.62 115038 
Descending 1.48 742 1.27 20.32 113771 
Merged 0.27 7.42 7.42 20.50 117323 
Post-processed (SRTM, 15 m threshold) 
Ascending 1.48 7.12 7.27 20.32 113771 
Descending 0.50 7.47 7.49 20.40 116561 
Merged 1.10 7.60 7.68 21.28 116878 
  
  
  
  
  
  
  
Table 3. Trento interpolated DSMs analysis results 
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