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Removal of White Noise from ECG Signal Based on Morphological Component Analysis

查看全文 作  者:ZHAO [1]Wei;HUANG Xiao-[2]jing;YOU Rong-[2]yi 高影响力作者 机构地区:[1]ChengYi College, Jimei University;[2]School of Sciences, Jimei University高影响力机构 出  处:《Chinese Journal of Biomedical Engineering(English Edition)》索引2014年第23卷第1期,共6页高影响力期刊 基  金:Natural Science Foundatoin of Fujian Province of China;grant number:2012J01280 摘  要:To effectively suppress white noise and preserve more useful components of electrocardiogram(ECG) signal, a novel de-noising method based on morphological component analysis(MCA) is proposed. MCA is a method which allows us to separate features contained in an original signal when these features present different morphological aspects. According to the features of ECG, we used the UWT dictionary to sparsely represent mutated component, and used the DCT dictionary to sparsely represent smooth component. The experimental results of the samples choosing from MIT-BIH databases show that the MCA-based method is effective for white noise removal. 关 键 词:ECG信号 成分分析 形态学 白噪声 稀疏表示 去噪方法 噪声去除 心电图
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