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中文摘要：
传统的脉搏传感器只能获得单点脉搏信号，为获取多点脉搏信号，采用脉搏图像传感器采集脉搏动态图像．在对脉搏动态图像进行相关分析的基础上，提出一种改进相关法获取脉搏信号，通过定量深度变化实验验证该方法的正确性．研究结果表明，应用相关法可以获得良好的脉搏信号，实现对切脉皮肤表面多点脉搏信号的获取，为获取更全面的脉象信息奠定了基础．
英文摘要：
The traditional pulse sensor can only acquire the single point signal. In order to acquire the multipoint pulse signals, the pulse dynamic image was captured by applying the pulse image sensor. The improved correlation method was presented for the pulse dynamic image based on the principle of digital image correlation. Moreover, the correctness of the method was proved by a quantitative experiment of depth variation analysis. The results showed that the pulse signal could be acquired by using the correlation method, and then the multipoint pulse signals from the radial artery could be obtained. It could lay a foundation for acquisition of more complete pulse informations.
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