Table 1

Accuracy of segmentation results for the natural scene.

Method and representation

Similarity measure (%)

Quality rate (%)

Segmentation result based on the original spectral reflectance data

95.76

95.26

Segmentation result based on the proposed invariant representation

98.03

97.90

K-means using the original spectral reflectance data

91.86

79.80

K-means using the proposed invariant representation

93.85

92.64

PCA + Ncut using the original spectral reflectance data

92.11

90.26

PCA + Ncut using the proposed invariant representation

94.11

93.87

Ibrahim et al. EURASIP Journal on Image and Video Processing 2011 2011:2   doi:10.1186/1687-5281-2011-2