Methodological Innovations for Establishing Cemetery Spatial Databases—A UAV-Based Workflow Helping Small Communities

Various modern large-scale mapping techniques have already been introduced in earth sciences, cadastral mapping, and the agricultural sector. These methodologies often use remotely sensed data to compile various analogue or digital cartographic products as well as spatial databases. However, the map...

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Bibliographic Details
Published in:ISPRS international journal of geo-information 2024-02, Vol.13 (2), p.57
Main Authors: Pál, Márton, Hajdú, Edina
Format: Article
Language:English
Subjects:
Agricultural industry
Cartography
Cemeteries
cemetery databases
Computer vision
Digitization
Drones
Earth sciences
Field study
Fieldwork
Infrastructure
Innovations
large-scale mapping
Machine vision
Mapping
Methods
photogrammetry
Religion
Remote sensing
UAV
Workflow
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Summary:Various modern large-scale mapping techniques have already been introduced in earth sciences, cadastral mapping, and the agricultural sector. These methodologies often use remotely sensed data to compile various analogue or digital cartographic products as well as spatial databases. However, the mapping of cemeteries and standards for establishing a spatial database for them have rarely been published, and there is no definite method for this purpose in Hungary yet. We have compiled a methodology based on mapping experiences in three sample areas in the Roman Catholic Archdiocese of Eger in Hungary that are church properties. The initial UAV-based fieldwork orthomosaics were processed with a CV (computer vision)-based script that vectorised grave contours. After fieldwork, which included the recording of the deceased people’s names and their dates of birth and death in the case of all graves, a spatial database was created pairing each polygon with the corresponding personal data. A map was also generated from the results of the survey. The cartographic product and the database fulfil legal requirements and give hints for cemeteries regarding further planning. The developed method is capable of making mapping and database building easier—not just in the case of graves, but with other rectangular objects, too.
ISSN:2220-9964
2220-9964
DOI:10.3390/ijgi13020057