According to the characteristic of impulse noise, a novel algorithm for detecting of impulse noise point from images based on directional derivatives are proposed in section four.
在本文的第四部分，根据脉冲噪声的概率分布特点，提出了一种新的去除这类噪声的算法。
Objective To find a new method for ECG autoanalysis of through the combination of energy transform and wavelet decomposition for detecting the characteristic point of QRS complex.
目的使用能量变换与小波分解的联合算法检测心电信号QRS波群的特征点，为心电信号的自动分析提供新的手段。
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