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Point Object Extraction from Scanned Topographic Maps for the Digital Topographic Maps Production
Point Object Extraction from Scanned Topographic Maps for the Digital Topographic Maps Production
Autori:
Izdanje: Sinteza 2022 - International Scientific Conference on Information Technology and Data Related Research
DOI: 10.15308/Sinteza-2022-49-57
Oblast: Theoretical Computer Science and Artificial Intelligence Session
Stranice: 49-57
Apstrakt:
Topographic maps published by the Military Geographical Institute are an important cartographic source in the process of creating a digital topographic map in the scale of 1:25 000. Existing topographic maps are scanned and georeferenced, but vectorization of the required content from these maps is done manually, which requires a lot of time. The homogeneity of cartographic content gives the potential for the application of algorithms for automatic vectorization of geospatial data. This paper presents a tool programmed in the Python programming language that extracts point symbol - well objects (as a hydrographic object) from a georeferenced map, by identifying objects based on assigned samples and generating vector point spatial data. Recognition is performed on a processed input raster containing only shades of blue. The output data are the geographical coordinates of the identified objects and the initial raster with markings at the places where the objects are recognized. 1074 wells on 24 map sheets in the wider area of Novi Sad and Zrenjanin were generated. Proposed Points from Corner method showed satisfactory positional accuracy results.
Ključne reči: Object Detection, Automatic Vectorization, Template Matching, Scanned Maps Processing, Computer Vision
Priložene datoteke:
- 49-57 ( veličina: 375,02 KB, broj pregleda: 258 )
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BibTeX format
@article{article, author = {M. Basarić, M. Mrlješ and S. Bakrač}, title = {Point Object Extraction from Scanned Topographic Maps for the Digital Topographic Maps Production}, journal = {Sinteza 2022 - International Scientific Conference on Information Technology and Data Related Research}, year = 2022, pages = {49-57}, doi = {10.15308/Sinteza-2022-49-57} }
RT Conference Proceedings A1 Miloš Basarić A1 Marko Mrlješ A1 Saša Bakrač T1 Point Object Extraction from Scanned Topographic Maps for the Digital Topographic Maps Production AD Univerzitet Singidunum, Beograd, Beograd, Srbija YR 2022 NO doi: 10.15308/Sinteza-2022-49-57
M. Basarić, M. Mrlješ and S. Bakrač, Point Object Extraction from Scanned Topographic Maps for the Digital Topographic Maps Production, Univerzitet Singidunum, Beograd, 2022, doi:10.15308/Sinteza-2022-49-57