Table 2. Assessment of the accuracy of the land-use classification for 2006 by verification using Quickbird images from GoogleEarth.


Image classification Quickbird image
Forest Plantation Agriculture Mixed Pasture Campos Urban
Forest 118 4 2 4 4 2
Plantation 6 97 2 3 3 4
Agriculture 1 3 78 10 3 3 2
Mixed 1 7 73 6 1
Pasture 1 5 8 62 9 1
Campos 1 3 1 78 1
Urban 1 5 3 79
Other 1 0 1 0 3 0 0
Total 128 106 98 104 84 97 83
Accuracy (%) 92.2 91.5 79.6 70.2 73.8 80.4 95.2
Total accuracy (%) 83.6