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Removing baseline drift is an important step in preprocessing ECG signal. The traditional methods have disadvantages of large computation and poor results. This paper utilizes the morphology theory combined with the characteristics of ECG signal to propose a morphological method for removing the baseline drift, which uses different shapes and sizes to design a two-stage morphological filter and perform cascaded combination operations of closing-opening and opening-closing respectively. The proposed method is verified that it can maintain the morphological specificity, improve the SNR, reduce the MSE, and remove the noise efficiently.
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Keywords:
- ECG /
- baseline drift /
- morphological filter /
- structural element
[1] Deng Yong1, Shi Wen-Kang1, Liu Qi 2002 Acta Phys. Sin. 51 759 (in Chinese) [邓勇, 施文康, 刘琪 2002 51 759]
[2] Zhang H X, Zhu Y S, Niu J H, Tong S B 2000 Acta Phys. Sin. 49 1422 (in Chinese) [张红煊, 朱贻盛, 牛金海, 童善保 2000 49 1422]
[3] Shen W, Wang J 2011 Acta Phys. Sin. 60 118702 (in Chinese) [沈韡, 王俊2011 60 118702]
[4] Chouhan V S 2007 International Conference on Computing: Theory and Applications p512
[5] Mneimneh M A, Yaz E E, Johnson M T 2006 Computers in Cardiology (Valencia) p253
[6] Ezenwa B N A 1998 IEEE Proceedings of the Annual International Conference of the Engineering in Medicine and Biology Society 3 1230
[7] Xu L S 2005 IEEE Transactions on Biomedical Engineering 52 1973
[8] Zhang J M, Guan Q, Tang L M 2014 Chin. Phys. B 23 018701
[9] Zhang C, Shou G F, Lu H 2013 Chin. Phys. B 22 090701
[10] Pei L Q, Liu X Y, Wang Y 2011 Chin. Phys. B 20 047401
[11] Zhao L L 2012 Chinese Control Conference p3750
[12] Verma Rishendra 2013 IEEE 3rd International on Advance Computing Conference (IACC) p1223
[13] Soille P 2008 Morphological Image Analysis Principles and Applications (2nd Ed.) (Beijing: Tisinghua University Press) (in Chinese) [Soille P 2008 形态学图像分析原理与应用 (第2版) (北京：清华大学出版社)]
[14] Wang J L 2011 Ph. D. Dissertation (Jinan: Shangdong University) (in Chinese) [王金亮 2011 硕士学位论文 (济南: 山东大学)]
[15] Marago P, Schafer R W 1987 IEEE Trans Acoustics, Speech, and Signal Processing 35 1153
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[1] Deng Yong1, Shi Wen-Kang1, Liu Qi 2002 Acta Phys. Sin. 51 759 (in Chinese) [邓勇, 施文康, 刘琪 2002 51 759]
[2] Zhang H X, Zhu Y S, Niu J H, Tong S B 2000 Acta Phys. Sin. 49 1422 (in Chinese) [张红煊, 朱贻盛, 牛金海, 童善保 2000 49 1422]
[3] Shen W, Wang J 2011 Acta Phys. Sin. 60 118702 (in Chinese) [沈韡, 王俊2011 60 118702]
[4] Chouhan V S 2007 International Conference on Computing: Theory and Applications p512
[5] Mneimneh M A, Yaz E E, Johnson M T 2006 Computers in Cardiology (Valencia) p253
[6] Ezenwa B N A 1998 IEEE Proceedings of the Annual International Conference of the Engineering in Medicine and Biology Society 3 1230
[7] Xu L S 2005 IEEE Transactions on Biomedical Engineering 52 1973
[8] Zhang J M, Guan Q, Tang L M 2014 Chin. Phys. B 23 018701
[9] Zhang C, Shou G F, Lu H 2013 Chin. Phys. B 22 090701
[10] Pei L Q, Liu X Y, Wang Y 2011 Chin. Phys. B 20 047401
[11] Zhao L L 2012 Chinese Control Conference p3750
[12] Verma Rishendra 2013 IEEE 3rd International on Advance Computing Conference (IACC) p1223
[13] Soille P 2008 Morphological Image Analysis Principles and Applications (2nd Ed.) (Beijing: Tisinghua University Press) (in Chinese) [Soille P 2008 形态学图像分析原理与应用 (第2版) (北京：清华大学出版社)]
[14] Wang J L 2011 Ph. D. Dissertation (Jinan: Shangdong University) (in Chinese) [王金亮 2011 硕士学位论文 (济南: 山东大学)]
[15] Marago P, Schafer R W 1987 IEEE Trans Acoustics, Speech, and Signal Processing 35 1153
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