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ISPRS Commission V Symposium 2002 2-6 September 2002 Corfu – Greece CLOSE-RANGE IMAGING LONG-RANGE VISION.

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Presentation on theme: "ISPRS Commission V Symposium 2002 2-6 September 2002 Corfu – Greece CLOSE-RANGE IMAGING LONG-RANGE VISION."— Presentation transcript:

1 ISPRS Commission V Symposium 2002 2-6 September 2002 Corfu – Greece CLOSE-RANGE IMAGING LONG-RANGE VISION

2 Simple and low-cost digital photogrammetric systems Tutor: Gabriele Fangi, Professor at the Facoltà di Ingegneria, Università di Ancona, Italy.

3 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 (Ital y). Non-conventional systems Rhad by Studio Presta, Italy PhOX by Studio Presta, Italy Canoma PF3 by Geotop, Italy Photomodeler

4 The list is far to be complete. I tried unsuccesfully to contact the dealers for »3D Builder »3D Navigator by Menci, Italy »PhotoBuilder U NIVERSITY OF A NCONA FIMET

5 Photogrammetric stereoplotters Analog 1900-1980) Analytical (1980-1990) Digital (1990.....)

6 RhAD by Studio Presta, Italy The easiest tool for simplest photogrammetric surveyRhAD by Studio Presta, Italy The easiest tool for simplest photogrammetric survey 1)

7 RhADRhAD Rhad 1.Import the image in Rhad (window-rose of the façade of Cathedral in Orvieto)

8 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.

9 3.Then with the help of some geometrical constraints (a circle, a square, etc) correctly dimension the image

10 4.To get a stereo-partner, repeat steps 1, 2, 3, for the left image


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