N 
lechanical 
id Method 
dr'jjm PARTIAL CALIBRATION 
of a Stereoscopic Optical - Mechanical 
201- Projection Instrument Grid Method 
Right Projector 
c = 150mm z »300 mm 
Radial Distortion 
s¿ 14 2.8 3.5 5.2 5.6 5.9 5.0 4.5 6.1 (4.5) pm 
Fig. 4.21: 32. Partial calibration of projector. The dashed curve 
t represents the radial distortion according to a polynomial of 
1SV tan =8.1pm fifth order. 
Fig. 4.21: 34. Cf. Fig. 4.21: 32. 
Right Projector 
Residuals after Adjustment 
z - 2c 
RMSVres = 5.3pm RMSV rad -5.4pm RMSV tan «5.2 pm 
Right Projector 
Residuals after Adjustment 
z - 2.5c 
RMSV =6.5 urn RMSV “6.9 pm RMSV. -6.1pm 
res r rad tan r