Jeviation of s 5E T 3 
| drawn in ^ E ji exaggeration 
n E d 
the stereo © 4! Yo i 5 
je of about a s E 3 
tion of the S E tee stator aid 
irate. After = 5 F i n 
t makes no E: E d .----- 3 
is value. A © 1Ë 3 
: © E 3 x 
| too large = E vn aa Soon 
© 0 E 1 1 À 
hie | © + 
d points in > 0 10 20 30 40 SO ek wai D2 
raton = stereo angle [°] 
sd the less 
d. Also the a? ; i Luci: 
increasing Fig. 7 Standard deviation of elevation errors of single points in dependence on the exaggeration factor 
to explain 
tor causes Se 100[ ] 
e the used 9 - ] 
lation, it is = 80 | |  exaggeration 
ses a rapid = A 
for small © 60} X 5 
xample for S ] o 4 
dir line just E aol diem 
/e a totally © i yids ma. 3 
9 L 
ted points E 200 |] £3 "am 1 
ar than 40 = i 
0 1 LLL Lt ek 1 urhe id A + 
shows the 0 10 20 30 40 S er rice. 0.2 
hole DTM, stereo angle [9] 
sideration. 
se curves : "CT 
minimum Fig. 8 Number of matched points in dependence on the exaggeration factor 
reo angle 
with a big m T T7 TT TT TTTTTTTTTTTUTETETTT TU TTA DT T. TT-UTTTTT 
QF T T T T ; 
ble stereo N 2 - | exaggeration 
s can be 2 A 5 
g. 8. Up to 2 o 
> the stan- p [ mie 
fluence of o 15r 1 E 
ause the D Lt 1e 1 A DU EHR LONE {OIL eur 3 
S 
= x 
| from the © — - —1 
ini $ 
ictors indi = ink Loi Snir on 
the choice -= | : 
S 
the stereo S 
nic of the 3 
OD 
reo angle 9 5} À 
t accuracy G | 
as a suffi- 2 
S x 
a 9 xS X 
MAR EX XK 
0 LLL LLL LLLA LLL LAE LE LL LLL LLL LLL AL el LLL LL LL 
0 10 20 30 40 50 
stereo angle [9] 
Fig. 9 Standard deviation of height errors of the whole DTM in dependence on the exaggeration factor 
29 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B1. Vienna 1996