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Open AccessArticle

Vertical Measurements in Oblique Aerial Imagery

Direzione Generale della Pianificazione Urbanistica Territoriale e della Vigilanza Edilizia. Viale Trieste 186, 09121 Cagliari, Italy
Author to whom correspondence should be addressed.
ISPRS Int. J. Geo-Inf. 2014, 3(3), 914-928;
Received: 27 February 2014 / Revised: 5 June 2014 / Accepted: 2 July 2014 / Published: 14 July 2014
PDF [1848 KB, uploaded 14 July 2014]


This article first introduces oblique aerial imagery, then describes how vertical distances can be measured once the pixel distances of the original pictures are known. The calculations require that, not only all camera settings be known, but also that one relies on the availability of detailed digital terrain and digital surface models (DSM and DTM), in order to provide the necessary ground level for calculating vertical distances. The algorithm is finally implemented in an online viewer. View Full-Text
Keywords: oblique images; vertical measurement; photogrammetry oblique images; vertical measurement; photogrammetry

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Molinari, M.; Medda, S.; Villani, S. Vertical Measurements in Oblique Aerial Imagery. ISPRS Int. J. Geo-Inf. 2014, 3, 914-928.

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