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Title: On multi-image reconstruction from historic photographs
Authors: Καλησπεράκης, Ηλίας
Πέτσα, Έλλη
Ρόβα, Μαργαρίτα
Καρράς, Γιώργος
Item type: Conference publication
Conference Item Type: Full Paper
Keywords: Calibration;Orientation;Non-Metric;Bundle;Reconstruction;Visualization;Architectural Heritage Conservation;Βαθμονόμηση;Προσανατολισμός;Δέσμη;Ανοικοδόμηση;Οραματισμός;Αρχιτεκτονική διατήρησης της πολιτιστικής κληρονομιάς
Subjects: Technology
Issue Date: 28-Jan-2015
Date of availability: 28-Jan-2015
Abstract: The ultimate purpose of this work is to reconstruct photogrammetrically a distinguished building in the centre of Athens, which has been torn down years ago. Five old photographs were available taken apparently with the same camera, the nominal calibration para-meters of which could be somehow ‘guessed’. As a first step, it was decided to employ our own bundle-adjustment software, which works within a commercial CAD environment. Besides, unlike most commercially available 3D reconstruction software, it allows full control over the whole adjustment process (by presenting individual image point residuals, producing RMS errors for check points, accommodating additional calibration parameters etc.). A second task was to compare these results with PhotoModeler, in order to evaluate this widely used (but in certain aspects ‘obscure’) tool against a rigorous photogrammetric approach. Besides solutions with no control information, a few full and partial control points were established from existing architectural drawings, allowing self-cali-bration procedures. The two software tools produced essentially equivalent results, thus validating the precision of the PhotoModeler approach. However, certain additional features of a proper bundle adjustment program (e.g. recovery of radial lens distortion, self-ca-libration with minimal or unconventional control), discussed here, may allow a fuller exploitation of the powerful reconstruction and visualisation tools of the PhotoModeler type. It was confirmed that, using suitable software, rigorous approaches can be applied to historic images, and results of reasonable precision may be expected, limited only by possible inaccuracies in scale.
Language: English
Citation: Kalisperakis, I., Rova, M., Petsa, E. and Karras, G. (2003). On multi-image reconstruction from historic photographs. XIX CIPA International Symposium, Antalya, Turkey, pp. 216-219. Available from:
Conference: XIX CIPA International Symposium
Access scheme: Publicly accessible
License: Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες
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