65 
8.3.3. Interior Orientation 
In this case the interior orientation is defined by three co-ordinates, which 
give the location of focus in the system of the fiducial marks. The results are 
shown in Table 13. 
liable 13. Elements of interior orientation and their standard errors. Roent 
genograms from an iodine 125 radiation source. Values in milli 
meters. 
Picture 
number 
x Q 
v 
** o 
Vo 
s 
/0 
c 
s c 
21 
— 1.156 
.239 
2.831 
.398 
37.042 
.241 
22 
— .322 
.885 
2.396 
.801 
37.260 
Ml 
23 
— 1.670 
.827 
1.607 
.482 
36.830 
.502 
24 
—1.748 
1.048 
2.249 
1.040 
36.208 
.700 
25 
— 1.630 
.858 
3.249 
.765 
36.535 
.569 
26 
—1.055 
.681 
1.393 
.632 
37.374 
.422 
27 
— 1.273 
.242 
1.709 
.424 
37.320 
.243 
28 
— 1.409 
.305 
1.592 
.283 
37.357 
.200 
29 
— .726 
.669 
2.208 
.607 
37.538 
.415 
210 
— .420 
.559 
2.334 
.502 
37.062 
.335 
211 
— 1.820 
.852 
1.118 
.794 
37.368 
.534 
212 
—1.486 
.698 
1.630 
.646 
37.392 
.450 
213 
— .933 
.188 
1.789 
.327 
37.372 
.188 
214 
— 1.269 
.800 
1.418 
.747 
38.092 
.517 
215 
— .988 
.774 
1.920 
.709 
37.851 
.483 
216 
— .958 
.444 
1.732 
.405 
37.425 
.269 
217 
— .315 
.690 
1.773 
.621 
37.744 
.396 
218 
—1.800 
.533 
1.076 
.520 
37.193 
.360 
Variance 
between 
0.244089 
0.321348 
0.197170 
Variance 
within 
0.455594 
0.389685 
0.187055 
F (17, 146) 
0.563 
0.824 
1.053 
Test 
not significant 
not significant 
not significant 
Mean 
— 1.165 
1.890 
37.276 
Standard 
error of 
the mean 
.159 
.147 
.102