stereoscope, while the visopret 20 uses a
reflecting stereoscope. They are equipped with
a two-way illumination mechnism, which allows
measurements using film and prints.
4.2.10 Comparision of Systems with
Stereoscopic Image Measurement
Comparing the above mentioned systems, one can
see that they all differ from each other quit a
bit. It is therefore difficult to consider one
system better than the other, Nevertheless the
subdivision into stereocomparators, image-
space- and object-space plotters should be
noted. Especially the evaluation of
contourlines is done in the simplest way with
an object-space-plotter. In general the choice
of a system depends on the application one has
to do. But all systems have one thing in
common. Due to their low prices they make
photogrammetry affordable for people who are
not able to pay the price of a standard
analytical plotter. In Table 4.2.1 they are
listed in alphabetical order with some
important characteristics. The prices include
hardware and basic software to run the systems.
References:
Abdel Aziz Y.I. ,Karara H.M.: Direct
Linear Transformation from Compara-
tor Coordinates into Object Space
Coordinates. in Close Range Photo-
grammetry. Proceedings of the
ASP/UI Symposium on Close Range
Photogrammetry, pp. 420-475,
Urbana, Illinois, USA
Benning W., Effkemann C.: Adjustment
and image processing of scanned
photographs within a 3D-editor.
International Archives of Photo-
grammetry and Remote Sensing,
pp. 306-313, Vol. 28, Part: 5/1,
Zürich, 1990
Cambursano C., Dequal S., Zonca C.:
"STEREOBIT/20" and "RÉSEAU": A new
photogrammetric analytical system
for semimetric images. Theory and
software. XIV CIPA Symposium,
Delphi, Greece, 1991
Heimes F.J., Puruckherr R.: Ein kosten-
günstiges photogrammetrisches
Auswertesystem - Erfahrungen mit
Architekturanwendungen. Interna-
tional Archives of Photogrammetry
and Remote Sensing, pp. 138-148,
Vol. 28, Part 5/1, Zürich, 1990
Nolette C., Gagnon P.A., Agnard J.P.:
The DVP: Design, Operation, and
Performance. Photogrammetric
Engineering and Remote Sensing,
Dp. 65-69, Vol. 58, 1/1992
Pomaska G.: ROLLEIMETRIC - ein System-
konzept für photogrammetrische
Ingenieuranwendungen. Bildmessung
und Luftbildwesen, S. 3-11, 6/1988
Uren J., Philipa R.T.: A new low-cost
analytical Plotter applied to
architectural drawings and crack
propagation studies. International
Archives of Photogrammetry and
Remote Sensing, pp. 157-163,
Vol. 28, Part 5/1, Zürich, 1990
Wester-Ebbinghaus W.: Bündeltriangula-
tion mit gemeinsamer Ausgleichung
photogrammetrischer und geodäti-
scher Beobachtungen. Zeitschrift
für Vermessungswesen, S 101-111,
3/1985
Wester-Ebbinghaus W.: Simultaneous
Calibration of a Photogrammetric
Stereopair. Photogrammetric Record,
pp. 519-523, Vol. XII, No. 70,
10/1987
Wester-Ebbinghaus W.: State of the Art
and Prospects of Architectural
Photogrammetry. Keynote lecture at
the XIV CIPA Symposium, Delphi,
Greece, 1991
Wiemann M.: FOTO 3D - dreidimensionale
Objektvermessung mit herkómmlicher
Spiegelreflexkamera. Der Vermes-
sungsingenieur, S. 33, 1/1992
Addresses:
ADAM Technology
Enterprise Unit 1
Hayman Road
Bentley
Australia
Carl Zeiss Jena GmbH
Postfach 125
0-6900 Jena
FRG
Fachhochschule Bochum
Fachbereich Vermessungswesen
Postfach 100741
W-4630 Bochum
FRG
Gallileo Siscam
Tirecione e Uffici
Via Einstein 26
50013 Campi Bisenzio, Firenze
Italy
GEOTOP
Via Brecce Bianche 152
60131 Ancona
Italy
Howlang & Partner
Hebelstrasse 11
W-6000 Frankfurt 1
FRG