- Tytuł:
- On the applicability of integrated UAV photogrammetry and automatic feature extraction for cadastral mapping
- Autorzy:
-
Ajayi, Oluibukun Gbenga
Oruma, Emmanuel - Powiązania:
- https://bibliotekanauki.pl/articles/43852813.pdf
- Data publikacji:
- 2022
- Wydawca:
- Polska Akademia Nauk. Czasopisma i Monografie PAN
- Tematy:
-
zarządzanie gruntami
segmentacja obrazu
mapowanie
land management
remote sensing applications
image segmentation
automatic boundary extraction
UAV mapping - Opis:
- The applicability of integratedUnmannedAerialVehicle (UAV)-photogrammetry and automatic feature extraction for cadastral or property mapping was investigated in this research paper. Multi-resolution segmentation (MRS) algorithm was implemented on UAVgenerated orthomosaic for mapping and the findings were compared with the result obtained from conventional ground survey technique using Hi-Target Differential Global Positioning System (DGPS) receivers. The overlapping image pairs acquired with the aid of a DJI Mavic air quadcopter were processed into an orthomosaic using Agisoft metashape software while MRS algorithm was implemented for the automatic extraction of visible land boundaries and building footprints at different Scale Parameter (SPs) in eCognition developer software. The obtained result shows that the performance of MRS improves with an increase in SP, with optimal results obtained when the SP was set at 1000 (with completeness, correctness, and overall accuracy of 92%, 95%, and 88%, respectively) for the extraction of the building footprints. Apart from the conducted cost and time analysis which shows that the integrated approach is 2.5 times faster and 9 times cheaper than the conventional DGPS approach, the automatically extracted boundaries and area of land parcels were also compared with the survey plans produced using the ground survey approach (DGPS) and the result shows that about 99% of the automatically extracted spatial information of the properties fall within the range of acceptable accuracy. The obtained results proved that the integration of UAVphotogrammetry and automatic feature extraction is applicable in cadastral mapping and that it offers significant advantages in terms of project time and cost.
- Źródło:
-
Advances in Geodesy and Geoinformation; 2022, 71, 1; art. no. e19, 2022
2720-7242 - Pojawia się w:
- Advances in Geodesy and Geoinformation
- Dostawca treści:
- Biblioteka Nauki
Artykuł