The following will show how images vary at different resolutions. Three examples are used to illustrate how resolution alters an image at various scales. Different scales.

Study Area: Section of an image taken on 20060324 by FERI at Morro Bay.
Native Resolution: 15cm GSD (Ground Sampling Distance)








Small Area
Size (Pixels at Native Resolution): 40 x 50
Size (Meters): 6 x 7
Truck Measurement: 37 pixels (Native Resolution); 5.55 meters (18.2 feet)









Medium Area
Size (Pixels at Native Resolution): 432 x 217
Size (Meters): 64.8 x 32.55


Large Area
Size (Pixels at Native Resolution): 2000 x 1500
Size (Meters): 300 x 225

15 cm (Native)	25 cm	50 cm	100 cm (1 m)

15 cm
25 cm
50 cm
100 cm (1 m)

50 cm (0.5 m)
100 cm (1 m)
2m
3m
4m
5m