Table 1.

Accuracy assessment of cover classification for Syracuse, New York, using high-resolution digital color infrared imagery.*

Class nameReferenceRow totalUser’s accuracy (%)Standard error (%)
Tree/shrubGrass/herbaceousBare soilWaterImpervious surface
Classified
    Tree/shrub  25.0    3.75    0.0    0.0    0.25  29  86.2    3.2
    Grass/herb    3.5  13.0    0.75    0.0    1.5  18.75  69.3    5.4
    Bare soil    0.0    0.0    0.5    0.0    0.75    1.25  40.0  24.5
    Water    0.0    0.0    0.0    6.5    0.0    6.5100.0    0.0
    Impervious    2.25    4.5    1.0    0  36.75  44.5  82.6    2.8
Column total  30.75  21.25    2.25    6.5  39.25100
Producer’s accuracy (%)  81.3  61.2  22.2100.0  93.6Overall 81.75
Standard error (%)    3.5    5.3  14.7    0.0    2.0Overall 1.9
  • *Myeong et al. (2001). Error matrix entries are based on percent of 400 ground-truth points.