2,271
Views
10
CrossRef citations to date
0
Altmetric
Research Article

Homogeneous tree height derivation from tree crown delineation using Seeded Region Growing (SRG) segmentation

& ORCID Icon
Pages 195-208 | Received 22 Mar 2020, Accepted 30 Jul 2020, Published online: 24 Aug 2020

Figures & data

Figure 1. Study area.

Figure 1. Study area.

Figure 2. Methodology workflow.

Figure 2. Methodology workflow.

Figure 3. Flight planning covering the study area using Altizure.

Figure 3. Flight planning covering the study area using Altizure.

Table 1. Specification of UAV camera.

Figure 4. GCP allocation.

Figure 4. GCP allocation.

Figure 5. On site measurement of tree height using total station.

Figure 5. On site measurement of tree height using total station.

Figure 6. Marker placed in Agisoft.

Figure 6. Marker placed in Agisoft.

Figure 7. Dense cloud result.

Figure 7. Dense cloud result.

Figure 8. Workflow in segmentation process.

Figure 8. Workflow in segmentation process.

Figure 9. Seed points.

Figure 9. Seed points.

Figure 10. SRG displayed in ArcMap.

Figure 10. SRG displayed in ArcMap.

Figure 11. Tree crown width measurement.

Figure 11. Tree crown width measurement.

Table 2. Coordinates of GCPs in RSO projection.

Figure 12. Photogrammetric results at the study area.

Figure 12. Photogrammetric results at the study area.

Figure 13. Error graph and outliers range.

Figure 13. Error graph and outliers range.