A Quasi-MQ EMD method for similarity analysis of DNA sequences

作者：Zhang, Jihong^*; Wang, Renhong; Bai, Fenglan; Zheng, Junsheng

来源：Applied Mathematics Letters, 2011, 24(12): 2052-2058.

DOI：10.1016/j.aml.2011.05.041

• EMD
• IMF
• MQ-RBF quasi-interpolation
• DNA sequences
• Similarity analysis

An empirical mode decomposition (EMD) method based on Multi-Quadrics radial basis MQ-RBF) quasi-interpolation (the Quasi-MQ EMD method) is presented and applied to similarity analysis of DNA sequences. The MQ-RBF quasi-interpolation is taken to approximate the extrema envelopes during the intrinsic mode IMF) sifting process. Our method is simple, easy to implement, and does not require solving any linear system of equations. Then we use the classic EMD method and our method to compare the local similarities among DNA sequences respectively. The work tests our method's suitability and better performance for local similarity analysis of DNA sequences by using the mitochondria of four different species.

• 出版日期2011-12
• 单位大连理工大学; 大连交通大学