Table 1.

Accuracies of classification in the positive spectrum data in the five-fold cross-validation experiment (%).

Group	BPNN	KNN	SVM	DBN+GD+Softmax	DBN+L-BFGS+Softmax
1	79.41	58.82	64.71	88.24	94.12
2	73.53	85.29	61.76	94.12	97.06
3	76.47	82.35	85.29	91.18	97.06
4	76.47	79.41	67.65	88.24	91.18
5	79.41	82.35	61.76	91.18	97.06
Mean	77.06	77.64	68.23	90.59	95.30

Bold values indicate the best results.