Texture Feature Extraction and Classification of SEM Images of Wheat Straw/Polypropylene Composites in Accelerated Aging Test

Table 3

Sensitivity and 1 − specificity values of classification model using SVM.

Image sample	Sensitivity		1 − specificity
	Calibration	Cross validation	Calibration	Cross validation
Class 1	1.000	1.000	0	0
Class 2	0.942	0.813	0	0.016
Class 3	0.961	0.875	0	0.047
Class 4	1.000	1.000	0	0.016
Class 5	1.000	1.000	0	0