Photogrametry is the art and science of making accurate measurements by means of aerial photography:
- Analog photogrammetry (using films: hard-copy photos)
- Digital photogrammetry (digital images)
- Aerial photographs were the first form of remote sensing imagery.
Types of vantage points to acquire photographs?
- Vertical vantage points
- Low-oblique vantage points
- High-oblique vantage points