Full text: Proceedings; XXI International Congress for Photogrammetry and Remote Sensing (Part B4-3)

imrfMMH 
m s- 
M- i?. S 
e- 
Statistics 
Study area 
Slope classes 
Aspect regions 
Slope <5° 
5° < Slope < 15° 
Slope >15° 
E 
NE 
N 
NW 
W 
sw 
S 
SE 
Accuracy 
RMSE 
15,6 
11,2 
16,2 
23,8 
13,0 
14,8 
14,1 
12,3 
11,7 
12,5 
13,1 
12,2 
LE 
30,5 
22,0 
31,7 
46,7 
25,4 
29,0 
27,6 
24,1 
22,8 
24,5 
25,7 
23,8 
Cl 
51,2 
36,9 
53,2 
78,4 
42,7 
48,7 
46,4 
40,5 
38,3 
41,0 
43,2 
40,0 
No of points 
137519 
49763 
71645 
16396 
16819 
15521 
15037 
18071 
17917 
17212 
18121 
18021 
Percentage 
94,4% 
99,4% 
99,8% 
99,7% 
99,8% 
99,7% 
99,2% 
99,4% 
99,5% 
99,5% 
99,5% 
99,5% 
Error 
Minimum 
-50,0 
-35,0 
-50,0 
-80,0 
-56,0 
-61,0 
-60,0 
-44,0 
-29,0 
-29,0 
-32,0 
-35,0 
Maximum 
47,0 
34,0 
49,0 
64,0 
35,0 
29,0 
32,0 
37,0 
43,0 
48,0 
49,0 
39,0 
Mean 
-1,2 
-0,5 
-0,5 
-6,5 
-8,4 
-15,3 
-13,3 
-3,4 
6,7 
9,4 
8,3 
2,0 
S.D 
15,6 
11,2 
16,2 
24,7 
15,5 
21,3 
19,4 
12,8 
13,4 
15,6 
15,5 
12,3 
|Error| 
Mean 
12,1 
8,6 
12,9 
20,2 
11,8 
17,1 
15,4 
9,9 
10,5 
12,3 
12,2 
9,6 
Tableau 1: Statistics for the error (reference CDED level 1 minus SRTM model 
Statistics 
CDED/ICESat 
SRTM/ICESat 
Mean 
-9,1 
-4,8 
S.D 
12,7 
14,9 
RMSE 
12,7 
14,8 
|Error| 
12,7 
11,3 
Kurtosis 
0,094 
0,701 
Skew 
0,363 
-0,430 
Min 
-40,8 
-46,2 
Max 
27,6 
36,3 
N. Points 
175 
174 
Tableau 3: Error of ICESat points versus CDED level 1 and SRTM 
Figure 6: ICESat’s profiles over Mount Carleton 
- SJCESAT 
S_CDED_I 
S_SRTM 
% 
Co
	        
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