In: Wagner W., Szekely, B. (eds.): ISPRS TC VII Symposium - 100 Years ISPRS, Vienna, Austria, July 5-7, 2010, IAPRS, Vol. XXXVIII, Part 7B 
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green dots in Fig. 6 represents a circular target (Fig 2c), while 
the orange lines represent the coded target patterns (Fig. 2b). 
(b) 
Figure 6. Graphical representation of the bundle adjustment 
solution for (a) Cage and (b) Box based camera calibration 
Calibration 
parameters 
Calculated 
values from 
cage 
Calculated 
values from 
box 
Focal length 
20.601 
20.603 
Principle 
point location 
X P 
0.056 mm 
0.064 mm 
y P 
-0.020 mm 
-0.019mm 
Radial 
distortion 
coefficients 
K1 
2.781e-004 
2.74196e-004 
K2 
-4.996e-007 
-4.1747e-007 
K3 
9.139e-011 
-1.5359e-011 
De-centring 
distortion 
coefficients 
PI 
-6.173e-007 
2.989e-007 
P2 
8.341 e-006 
2.637e-005 
Scaling 
elements 
B1 
8.1521e-005 
1.5082e-005 
B2 
-1.0153e-005 
9.6088e-006 
Table 2 Camera calibration parameters 
Table 2 shows the solutions to the bundle adjustment and the 
calibration parameters obtained from the two experiments. 
Table 2 lists the calibration parameters that were obtained as a 
part of the bundle adjustment solution 
GAUSSIAN RADIAL DISTORTION PLOT [dr shown in micrometres] 
GAUSSIAN RADIAL DISTORTION PLOT [dr shown in micrometres] 
Figure 7. Radial distortion plots showing the distortion (Y-axis, 
pm) as a function of distance (X-axis, mm) from the principal 
point for results of camera calibration obtained from (a) Cage 
and (b) Box. The plots are obtained from Australis software 
DECENTRING DISTORTION PLOT [P(r) shown in micrometres] 
DECENTRING DISTORTION PLOT [P(r) shown in micrometres] 
Figure 8. Decentring distortion plots showing distortion (Y- 
axis, pm), against radial distance (X-axis, mm) for results of 
camera calibration obtained from (a) Cage and (b) Box. The 
plots are obtained from Australis software