Segmentation of short human exons based on spectral features of double curves
by Rong Jiang, Hong Yan
International Journal of Data Mining and Bioinformatics (IJDMB), Vol. 2, No. 1, 2008

Abstract: This paper presents a new segmentation method based on spectral analysis to locate borders between short protein coding regions and non-coding regions. We formulate the innovative double curve representation of a DNA sequence and apply local three-codon measurement on the discrete Fourier spectral features at 1/3 frequency to identify short protein coding regions. The proposed spectral segmentation method based on double curves requires no prior knowledge of the DNA data. Our simulation results show that the proposed spectral method greatly improves the accuracy of identifying short coding regions in DNA sequences compared with the results obtained from the other methods that analyse DNA sequences directly.

Online publication date: Mon, 21-Jan-2008

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