Title: Image segmentation - classify pixels from one of 7 classes Origin: cultivated Usage: development Order: uninformative Attributes: 1 pixel-class u CEMENT BRICKFACE GRASS FOLIAGE SKY PATH WINDOW # Pixel classes 2 region-centroid-col u (0,255) # centre pixel column of the region. 3 region-centroid-row u (0,255) # centre pixel row of the region. 4 short-line-density-5 u [0,1], # Low contrast line count 5 short-line-density-2 u [0,1], # High contrast line count 6 vedge-mean u [0,Inf] # Mean horizontal contrast 7 vedge-sd u [0,Inf] # Standard deviation of horizontal contrast 8 hedge-mean u [0,Inf] # Mean vertical contrast 9 hedge-sd u [0,Inf] # Standard deviation of vertical contrast 10 intensity-mean u [0,Inf] # Average intensity (R+G+B)/3 11 rawred-mean u [0,Inf] # Average red over areas 12 rawblue-mean u [0,Inf] # Average blue over areas 13 rawgreen-mean u [0,Inf] # Average green over areas 14 exred-mean u [-Inf,Inf] # Excess red (2R - (G + B)) 15 exblue-mean u [-Inf,Inf] # Excess blue (2B - (G + R)) 16 exgreen-mean u [-Inf,Inf] # Excess green (2G - (T + B)) 17 value-mean u [-Inf,Inf] # 3-d non linear transformation of RGB 18 saturation-mean u [-Inf,Inf] # same as for value-mean 19 hue-mean u [-Inf,Inf] # same as for value-mean