论文标题
时间变化度量分析：改进的二阶差异图
Temporal Variation Measure Analysis: An Improved Second-Order Difference Plot
论文作者
论文摘要
在这项研究中，提出了改进的二阶差异图，以分析心率变异性的可变性。尽管可以通过二阶差异图以图形方式显示心血管系统生理状态的变化，但本图现有指标的描述能力不足。结果，无法充分提取二阶差异图中包含的生理信息。在解决问题时，提出了时间变化度量分析，以定量地描述二阶差异图中散点点的分布模式，并提取加速度信息以使心率变异性变化。实验结果证明了时间变化测量分析的有效性。作为定量指标，时间变化熵是正确设计的，并成功地应用于心脏生理状态的识别和分类。
In this study, an improved second-order difference plot is proposed to analyze the variability of heart rate variability. Although the variation of physiological status of cardiovascular system can be shown graphically by the second-order difference plot, the descriptive ability of existing indicators for this plot is insufficient. As a result, the physiological information contained in the second-order difference plot cannot be extracted adequately. Addressing the problem, the temporal variation measure analysis is presented to describe distribution patterns of scatter points in the second-order difference plot quantitatively and extract the acceleration information for variation of heart rate variability. Experiment results demonstrate the effectiveness of the temporal variation measure analysis. As a quantitative indicator, the temporal variation entropy is properly designed and successfully applied in the recognition and classification of the physiological statuses of the heart.
