Sparse Contribution Feature Selection and Classifiers Optimized by Concave-Convex Variation for HCC Image Recognition

Table 4

The running time of three classifiers.

	ELM	SVM	RF
Before selection	2.320221 s	463.804518 s	35.183513 s
After selection	1.900448 s	262.635644 s	18.348838 s