ER 
TM 
I 
  
[^ 
( 
N 
  
  
  
d 
S 
TE 
Wis: 
JT 
A] 
/ 
NS 
  
  
NT IT d 
or 
  
CNE 
7p 
= 
zz 
3&7 1 
I 3) 
  
Rx 
  
  
  
  
  
  
  
  
  
  
  
  
0 | 100 200m 
Fig. 6 Contour map plotted by a 
human operator (contour 
interval =5m) 
Fig. 
7 
Contour map plotted through 
. matching on low-pass- 
filtered patches with low- 
pass-filtering of x-paral- 
laxes (contour interval=10m) 
  
  
m 
pare 
— 
d 
— 
— 
T 
RS 
> 
WC 
7 
|^ 
|^ 
nm 
  
fl 
N 
N— : 
  
= 
fa 
  
  
ax 
ets 
C 
ul 
BS 
S 
= 
N 
SS 
= 
SE 
MN 
  
  
  
  
  
AZ 
y 
N 
AN 
  
  
  
  
SES CN Mes: 
= 
  
  
EG > 
DW cu Uie DS GE 
| LA) EJ CL 
FT TAR RZ TIA 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Fig. 8 Contour map plotted through : Fig. 9 Contour map plotted through 
matching on low-pass- 
filtered patches with 
median filtering of x-par- 
allaxes (contour interval- 
5m) 
- 925 - 
matching on Log-filtered 
patches with median-filter- 
ing of x-parallaxes (contour 
interval-5m)