= 
  
  
  
av 30%: Xeownt BJT rary 
I tee 301: Rawat Qippmi oi D]D 
. 
S 
  
  
  
    
SS 
Fig.4 Extraction of an Orientation Point in the MLSC 
The left two images show a pair of stereo (100*100 pixels). The right three show the effects of LoG 
and Sobel filtering. The most left of the three shows an enlarged left image of the stereo arouhd the 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
center. 
Fig.5 Corner Extraction Process 
D x in the MLSC 
esl x 
57} REA 
lox ol 
Sa 7 
* % M e iH 
(a) (b) (c) (d) 
frequency frequency 
MET V "datalj.dat' o 14 F ’datal4.dat’ © 
12, = 12 + 
10r 4 10 = 
8L d 8 i 
6 d 6 A 
4} À 4 j 
2 7 2 È 
| À À "Mut dee D 
A i A i i A 0 WW W^ xv CN CN N° 
% 5.10 15 20 25 30 35 40 -10 0 10 20 30 40 50 60 
differences (cm) differences (cm) 
(a) Horizontal dif. (VX3000PLUS with 10jm) (b) Vertical dif. (VX3000PLUS) 
frequency frequency ur ROUND 0 
14 + E "data dat > 14 | 'datal2.dat' e—- 
: 12 + ; 
12 = 
10 z lof |i - 
L J SE li à 
6 L. - 
6 ze = ) | 
1 AF À 
AF | j 
) J 2 
0 : | À À OA © À © 
075 0 10202 08 40 -10 0 10 20 30 40 50 60 
: differences (cm) 
differences (cm) 
(c) Horizontal dif. ( PhotoScan with 15um) : (d) Vertical dif. (PhotoScan) 
Fig.6 Differences of Ground Coordinates Measured with GOKUU and BC-1 
difference = coord. with GOKUU - coord. with BC-1. Values are rounded off to 5cm. 
152 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B2. Vienna 1996 
  
Oc 
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