计算机科学 ›› 2017, Vol. 44 ›› Issue (Z11): 260-262.doi: 10.11896/j.issn.1002-137X.2017.11A.054
曹剑剑,冯军,汤文明,余瑛
CAO Jian-jian, FENG Jun, TANG Wen-ming and YU Ying
摘要： 采用非接触式方法进行人体心率检测,较传统接触式的测量方法更加便捷舒适。基于图像光学容积(iPPG)的非接触式心率测量方法,简要分析该方法的实现流程及颜色空间产生测量误差的机理,设计实验来对比不同颜色空间的测量误差,一方面证明了在非接触式心率测量过程中进行颜色空间选取的必要性,另一方面获得了可用以提高心率测量精度的最优颜色空间。实验结果表明,与同一时刻采用心电测量仪(ECG)得到的心率相比,采用RGB颜色空间进行心率测量的误差最小,实验的平均误差达到1.68 bpm。因此,在非接触式心率测量中选择RGB颜色空间可以达到更高的精度。
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