ISPRS Int. J. Geo-Inf. 2014, 3(3), 914-928; doi:10.3390/ijgi3030914
Vertical Measurements in Oblique Aerial Imagery
Direzione Generale della Pianificazione Urbanistica Territoriale e della Vigilanza Edilizia. Viale Trieste 186, 09121 Cagliari, Italy
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Received: 27 February 2014 / Revised: 5 June 2014 / Accepted: 2 July 2014 / Published: 14 July 2014
(This article belongs to the Special Issue Geographic Information Science and Remote Sensing Techniques for Sustainable Urban and Regional Planning)
Abstract
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-TextKeywords:
oblique images; vertical measurement; photogrammetry
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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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ISPRS Int. J. Geo-Inf.
EISSN 2220-9964
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