臺灣博碩士論文加值系統

本研究提出使用心率變異度(Heart Rate Variability, HRV)的八個統計值(平均值、SDNN、SDNN Index、SDANN、RMSSD、CV、pNN50
與pNN20)來計算兩RR Interval 時間序列間的距離，進而根據此種距
離計算的結果進行RR Interval 時間序列的叢集處理。透過多組不同類型的RR Interval時間序列資料集的實驗結果顯示，此種方式所產生的叢集結果能有效地區隔出資料集內不同類型的RR Interval時間序列。

This study proposes a method to cluster RR Interval time series. First,the distance of any two RR Interval time series is defined based on eight statistic features of Heart Rate Variability (including Mean, SDNN, SDNN
Index, SDANN, RMSSD, CV, pNN50 and pNN20).
Then, RR Interval time series are clustered based on this distance. Experimental results with various datasets indicate that this method can effectively distinguish different types of RR Interval time series.

摘要......................................................i
ABSTRACT................................................. ii
目錄..................................................... iv
圖 次.................................................... vi
表 次....................................................vii
第一章、 緒論..............................................1
1.1 研究背景...............................................1
1.2 研究動機...............................................1
1.3 研究目的...............................................2
1.4 研究流程...............................................2
1.5 論文架構...............................................3
第二章、文獻探討...........................................5
2.1. 生理訊號簡介..........................................5
2.2. 心電圖原理............................................5
2.2.1. 心電圖波形..........................................6
2.3. 心率變異度............................................7
2.3.1. 心率變異度之頻域分析方法............................8
2.3.2 心率變異度之時域分析方法............................10
2.4 演化樹(evolutionary tree) ............................13
2.4.1 演化樹的簡介........................................13
2.4.2 演化關係推導的方法..................................14
2.4.3 UPGMA的介紹.........................................14
2.5 Albert C.-C. Yang等人提出之方法介紹...................18
2.6 心臟疾病簡介..........................................19
2.6.1 心房纖維顫動....................................... 19
2.6.2 鬱血性心臟衰竭..................................... 21
第三章、研究方法......................................... 22
3.1 資料集內資料前處理................................... 22
3.2 距離計算方式......................................... 23
3.3 叢集產生方式..........................................24
3.4 叢集品值評估方式......................................24
第四章、實驗結果......................................... 27
4.1 短RRI序列集實驗結果.................................. 27
4.2 長RRI序列集實驗結果.................................. 29
4.3混合長短RRI序列集實驗結果............................. 30
第五章、討論............................................. 34
5.1 曼哈頓距離公式與歐基里德距離公式之比較............... 34
5.2 加權實驗............................................. 34
第六章、結論與未來研究................................... 36
參 考 文 獻.............................................. 37

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