Full text: Technical Commission III (B3)

   
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n in [76]. Overall 
Build.: building; 
'ctness. 
s V M Lesen AN oh, ne itd un NRF BEART» 
IE EIRE ES EI 
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02 
— 
  
— 
re given in [%]. 
integrating more 
res related to car 
i-scale features. 
ticated model of 
Cumar & Hebert, 
the association 
Finally, we will 
| by using image 
ence Foundation 
(DFG) under grants HE 1822/25-1 and HI 1289/1-1. The 
Vaihingen data set was provided by the German Society for 
Photogrammetry, Remote Sensing and Geoinformation (DGPF) 
(Cramer, 2010): 
http://Www.ifp.uni-stuttgart.de/dgpf/DKEP-Allg.html. 
  
  
  
  
  
  
  
  
  
  
  
  
Class : d n 2 2, à 
= = = = = $ m = E 
Ref. eila&ailajlsiailslalsale 
Asph. | 25.14 | 1.31 | 1.76 | 0.48 | 0.01 | 0.53 | 0.44 | 0.04 184.62 
Build. 1.80 [13.14] 0.48 | 0.08 - 0.16 | 0.24 | 0.13 | 81.93 
Grass 1.54 | 0.63 | 14.65 | 1.21 | 0.41 | 4.65 | 0.09 | — [6321 
Agr. 0.98 0.31 | 0.75 | 7.32 = 3.231.003 == 158.02 
Beach 0.10 - - - 10.00] -- = - ES 
Tree 0.31 012 | 257 ]-0.18 — |1428| 0.01 — 181.73 
Car 0.26 0.02 | 0.03 | 0.01 - 0.01 | 0.31 - 147.94 
Bridge 0.14 | 0.06 [ -- - - - 10.02 7000| — 
Corr. 83.02 |84.24 | 72.37 | 78.94 | -- |62.48 127.22 | — 
  
  
  
  
  
  
  
  
  
  
  
  
    
    
Table 3: Confusion matrix for the experiment using 8 classes 
and the car confidence feature. All values are given in 
[%]. Overall accuracy: 74.84%. Asph: asphalt. 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Class à = : ; = ; : $ : 
Ref. za ZZ Al ES 
Asph. 24.63 | 1.28 | 1.60 | 0.72 | 0.01 | 0.56 | 0.88 | 0.03 | 82.90 
Build. 1.53 [13.26] 0.44 | 0.11 -- 0.16 | 0.40 | 0.13 | 82.70 
Grass 1.30 | 0.62 | 14.21 | 1.60 | 0.41 | 4.87 | 0.17 - 161.30 
Agr. 0.96 | 0.27 | 0.68 | 7.38 3.25 | 0.07 - 158.53 
Beach 0.10 - - -- 0.00 - m I m 
Tree 0:10 | 0.12 2.36 | 0.27 - [1458] 0.02 - 183.48 
Car 0.25 | 0.02 | 0.03 | 0.02 -- 0.01 | 0.32 -—- | 49.33 
Bridge | 0.12 | 007| - | - | - | - | 003 |000| - 
Corr. 84.95 | 84.79 | 73.49 | 72.99 | -- |62.24]|17.001| - 
  
Table 4: Confusion matrix for the experiment using 8 classes 
without car confidence feature. All values are given in 
[%]. Overall accuracy: 74.39%. Asph: asphalt. 
  
au 
Figure 2: Classification results. Left: original orthophoto; 
centre: ground truth superimposed to the intensity 
mage; right: results achieved with 14 classes and the 
car feature superimposed to the intensity image. 
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