Asphalt Mixture Segregation Detection: Digital Image Processing Approach

Table 3

Classification results for both sites together.

Standard deviation	Predict group membership		Total
	Segregated	Nonsegregated
Segregated%	80	20	100
Nonsegregated%	20.7	73.3	100

75.0% of original grouped cases correctly classified.
Threshold line is in standard deviation of 41.