me 
an 
er- 
nd 
cal 
orn 
but 
ho- 
nal 
Ing 
lor. 
the 
"oc. 
ho- 
235 
  
  
(a) rms-x <R,G,B> [pix] (b) rms-x «mc,L Y» [pix] 
0.45 0.45 
0.4 plug 0.4F 
  
  
green 
  
  
  
  
  
red|1 0.25 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
NIST VT 
0.15 7. 0.15 
In 
0.1 0.1 
14 22 33 44 55 11 22 33 44 55 
(c) rms-y «R,G,B» [pix] (d) rms-y «mce,LY» [pix] 
0.45 
0.4 
0.35 
0.3 
0.25 
0.2 Y : 
0.15 NC + 
0.1 
11 22 33 44 55 11 22 33 44 55 
(e) sigma-py <R,G,B> [pix] (f) sigma-py «me,L Y» [pix] 
0.45 0.45 
0.4 0.4 
0.35 0. 35 
0.3 0.3 
0.25 0.25 
0.2 0.2 K 
0.15 0.15 N 
ZA x 
0.1 0.1 nt ZZ 
11 22 33 44 55 il 22 33 44 55 
Figure 1: Empirical precision of matching in the Glandorf project. Left column: single colour channels R,G,B. 
Right column: multichannel mc, intensities I, Y. Horizontal axis: width of the quadratic matching window. (a) 
and (b) rms in x, (c) and (d) rms in y, (e) and (f) e, 
IAPRS, Vol. 30, Part 5W1, ISPRS Intercommission Workshop “From Pixels to Sequences”, Zurich, March 22-24 1995