Application of EMD-Based SVD and SVM to Coal-Gangue Interface Detection

Table 1

Comparison of singular values of selected IMFs for each caving state.

	𝜆1	𝜆2	𝜆3	𝜆4	𝜆5	𝜆6	𝜆7
Top-coal caving	5.8913	5.0226	4.7560	3.5182	2.7658	2.6858	1.0905
Coal-gangue caving	19.3695	13.7673	12.2830	6.8331	6.5870	4.2883	3.0371
IMF component	𝐶3	𝐶2	𝐶4	𝐶5	𝐶1	𝐶6	𝐶7