282 
7. Conclusion 
Based on macro photos an accuracy of some microns in the object space can be 
reached if the photo orientation will be done by bundle orientation and systematic 
image errors are respected. With video cameras in an on-line solution the same can 
be done with less expensive instrumentation. 
The special geometric situation of macro images is requiring a particular 
three-dimensional control pattern if the relation between both camera positions is 
not known. With a set of two cameras, like used in on-line solution with video 
cameras, a flat control pattern is sufficiant. In using beam splitters, the control 
pattern can have also a different location than the object. 
References 
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Jacobsen, K., Hielscher, H., Husen, B., Benther, U. 1990, Precise Object Determination 
by Digital Macro Photogrammetry, ISPRS Com V, Zürich 1990 
Lohmann, P., Picht, G., Weidenhammer, J., Jacobsen, K., Skog, L. 1989, The Design 
and Development of a Digital Photogrammetric Stereo Workstation, Journal 
of Photogr. and Remote Sens., 1989, pp 215 
Picht, G. 1987, Planicomp Operation with SPOT Imagery, Seminar on Photogrammetric 
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Sasse, V., Altrogge, G. 1988, Realisation of Automatic Correlation within a Digital 
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