Typical flight plan of a drone, will be replaced by own immage.
In principle, all photographic devices can be used for photo capturing.
- cell phones,
- DSLR cameras
- Drones with camera,
With Drones, software applications can be used to program flights and automate picture capturing.
- DJI Pilot
If the camera is capable to store GPS coordinates, geo referencing is more easy.
Photo capturing is the bases. Overlap between the photos should be high in order to create as much as possible key points