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• ISPRS Commission V Symposium 2002
• 2-6 September 2002• Corfu – Greece
CLOSE-RANGE IMAGING CLOSE-RANGE IMAGING LONG-RANGE VISIONLONG-RANGE VISION
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Simple and low-cost digital Simple and low-cost digital photogrammetric systemsphotogrammetric systems
• Tutor: Gabriele Fangi, Professor at the Facoltà di Ingegneria, Università di Ancona, Italy.
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• Simple systems – easy to use, also for non expert photogrammetrists• Low cost – less than 10.000 $
– Rectification– Photointerpretation– Plotting
• simple stereoplotters• alternative systems without stereoscopy
• “Traditional” systems• VSD by Jakimsky, • Stereometric by Galileo-Siscam (Italy), • “RFD” by Geotop (Italy).
• Non-conventional systems• Rhad by Studio Presta, Italy• PhOX by Studio Presta, Italy• Canoma • PF3 by Geotop, Italy• Photomodeler
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• The list is far to be complete. I tried unsuccesfully to contact the dealers for
» 3D Builder
» 3D Navigator by Menci, Italy
» PhotoBuilder
UNIVERSITY OF ANCONA
FIMET
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Photogrammetric stereoplottersAnalog 1900-1980)
Analytical (1980-1990)
Digital (1990.....)
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RhADRhADby Studio Presta, Italyby Studio Presta, Italy
The easiest tool for simplest photogrammetric survey
RhADRhADby Studio Presta, Italyby Studio Presta, Italy
The easiest tool for simplest photogrammetric survey
1)
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• RhADRhAD1. Import the image in RhadRhad
(window-rose of the façade of Cathedral in Orvieto)
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2. Take four points in clockwise order at the corner of a rectangle and run the rectification. The final image is rectangular with two unknown scale
factors in the two main directions.
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3. Then with the help of some geometrical constraints (a circle, a square, etc) correctly dimension the image
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4. To get a stereo-partner, repeat steps 1, 2, 3, for the left
image