心電圖學訊號擷取方法Electrocardiography signal extraction method

專利類型

發明

專利國別 (專利申請國家)

中華民國

專利申請案號

102128334

專利證號

I 554249

專利獲證名稱

心電圖學訊號擷取方法Electrocardiography signal extraction method

專利所屬機關 (申請機關)

國立成功大學

獲證日期

2016/10/21

技術說明

在心電圖訊號中，基線飄移這種低頻雜訊一直是個影響特徵萃取的重要因素，且要在不影響主要特徵波型的資訊下去除基線飄移一直不是一件容易的事情，故去除基線飄移在心電圖訊號處理的研究當中至今一直還是個重點研究之一；在心電圖訊號當中最不易偵測準確的P波及T波起始點及結束點位置亦同時為最容易受到基線飄移影響的特徵；而本技術在P波及T波起始點及結束點位置偵測卻能夠在不去除基線飄移的心電圖訊號下進行準確萃取，這不僅能夠省下基線飄移去除所額外增加的複雜度，還能在不受基線飄移去除後的影響下，從保留資訊較完整的訊號中偵測P波及T波起始點及結束點，為心電圖訊號特徵萃取的研究領域中提供了降低複雜度以及準確萃取的實用性。另外，一般傳統P波及T波起始點及結束點位置偵測幾乎都會使用梯度變化的概念進行偵測，而本技術則是跳脫了這種傳統的偵測方向，為此研究領域中提供了新穎性。故本技術無論在實用性或是新穎性上皆對心電圖訊號特徵萃取的研究有所貢獻。 Baseline drift was an important issue for automatic feature extraction on ECG signals. And it’s not easy to remove the baseline drift but not to affect other useful features concurrently. The features P, T onsets and offsets in ECG signals are not only the hardest features for accurately detection but also seriously affected by baseline drift. However, the robustness of this technique are not only accurately extracting P, T onsets and offsets but also not affected by baseline drift. So the benefits of this technique can omit the step of “baseline drift removal” to reduce the complexity of ECG feature extraction and extract the P, T onsets and offsets from the original ECG signals which maintained the complete medical information. In addition, the traditional methods for P, T onsets and offsets detection were based on the concept of gradient. But this technique jump out this detecting concept to provide a novel method on this field of research.

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本部(收文號1100027013)同意該校110年5月12日成大產創字第1101101269號號函申請終止維護專利(成大)

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