Track 13. Uncertainty in Digital Humanities Authors: Wolfgang Dorner, Anne Weinfurtner and Simon Graf

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Uncertainty in the spatial metadata
of historical photographs
A geomatic and photogrammetric driven
argumentation
Anne Weinfurtner

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Motivation

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The Approach
3D reconstruction
Long-term archiving
Open access to selected archive collections
Photo georeferencing
Photo documentation
Computer vision based image classification

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Point coordinates
Location of the photographer?
Geoname
County? City? District?
Current standard for spatial information
„View on České Budějovice“

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Spatial uncertainty of geonames
České Budějovice
?

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The Web portal

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Object_Coordinates
x_img
y_img
x_map
y_mapx_photographer
y_photographer
x
y
x
y
Georeferencing of photos and depicted objects

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Repetitive quality check of VGI

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∆ x
20 m
100 m
Outer orientation
∆ y
opening angle

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x (Longitude)
y (Latitude)
λ (Tilt)
φ (Orientation)
x,y
Outer orientation
λ
φ
x
y
z

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3D reconstruction of University of South
Bohemia in České Budějovice;
Photograph: Museum Fotoatelier Seidel
3D reconstruction

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Anne Weinfurtner, M. Eng.
Technische Hochschule Deggendorf
Grafenauerstr. 22
94078 Freyung, Germany
anne.weinfurtner@th-deg.de
www.photostruk.de
Contact