13.2 GCP (Ground Control Point)
The user can identify and view the marked images within GCP by selecting the "GCP" option from the Data verification screen. Before starting the process of identifying the images to GCP, the user needs to select the geotagged image folder by browsing it on the Data verification screen, as shown in the following screen.
Once the user clicks on the "GCP" button, they will see the geotagged images on the screen, as shown in the following screen.
On this screen, there is an option to download a template for a CSV file by clicking on the "Download CSV Template" button, allowing the user to generate a CSV file accordingly.
The user needs to import a CSV file containing the latitude and longitudes of the GCP by clicking the "Import CSV" button. The Import CSV screen will be displayed as shown in the following screen.
On this screen, the user clicks on the "Browse" button to select the CSV file containing the latitude and longitude coordinates of the GCP for the uploaded geotagged image set. If required, the user must change the EPSG number for the selected geographical area of the plan. Afterward, click on the “Import” button to import the CSV file. This action will mark the GCP area in a circle and the images within the GCP in red color, as shown in the following screen.
On this screen, the user will see the number of total predicted GCPs and the number of Marked GCPs. To view images from GCP, clicking on the red point within the circle will display the image view with image details, as shown in the following screen.
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