Towards Semi-Automatic Annotation of Toponyms on Old Maps Rainer Simon , Peter Pilgerstorfer Austrian Institute of Technology Leif Isaksen University of Southampton Elton Barker The Open University September 19-20 2013 | 8 th International Workshop on Digital Approaches to Cartographic Heritage, Rome, Italy
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Towards Semi-Automatic Annotation of Toponyms on Old Maps
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Towards Semi-Automatic Annotation ofToponyms on Old Maps
Rainer Simon, Peter PilgerstorferAustrian Institute of Technology
Leif IsaksenUniversity of Southampton
Elton BarkerThe Open University
September 19-20 2013 | 8th International Workshop on Digital Approaches to Cartographic Heritage, Rome, Italy
Map Digitization
But:Search & discovery limitedby available catalog metadata!
Spatial Search?
(Caistor St. Edmund)
„Venta“
Toponyms?
(Whitchurch)
„Mediolanum“
Toponyms?
(Lincoln)
„Lindum“
Toponyms?
Transcription? OCR?Remains a huge challenge.We envision a semi-automatic process in which a human expert is assisted in “annotation grunt work”
Goal:detect toponyms on old mapswith open source tools.
Approach:determine location, extent and orientationusing image processing andconnected component analysis