[9] Selim S Z, Ismail M A. K-means-type algorithms: a generalized convergence theorem and characterization of local optimality[J]. IEEE Transactions on Pattern Analysis and Machine Intelligence, 1984, 6(1): 81-87.

[10] Modha D S, Spangler W S. Feature weighting ink-means clustering[J]. Machine Learning, 2003, 52(3): 217-237.

[15] ZHENG Weijian, LEI Zhenggang, YU Chunchao, et al. Research on ground-based LWIR hyperspectral imaging remote gas detection[C/OL]//Applied Optics and Photonics China, 2015: DOI:10.1117/12.2199686.