Computer Science ›› 2017, Vol. 44 ›› Issue (Z11): 260-262.doi: 10.11896/j.issn.1002-137X.2017.11A.054

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Color Space Selection of Non-contact Heart Rate Measurement

CAO Jian-jian, FENG Jun, TANG Wen-ming and YU Ying   

  • Online:2018-12-01 Published:2018-12-01

Abstract: Compared with the traditional contact measurement method,the non-contact method for heart rate detection is more convenient and comfortable.Based on the non-contact heart rate measurement method of image-photoplethysmography(iPPG),this paper briefly analyzed the mechanism of this method and the measurement error of color space.The experiment compares the measurement error according to the different color space,which proves the necessity of selecting the color space during the non-contact heart rate measurement. On the other hand,optimal color space can be used to improve the accuracy of heart rate measurement accuracy of the color space.The experimental results show that the heart rate measurement with RGB color space has the smallest error compared with the heart rate obtained by electrocardiograph(ECG) at the same time.The average error of experiment is 1.68 bpm.Thus,choosing RGB color in non-contact heart rate measurement space can get higher accuracy.

Key words: Color space,Non-contact,Heart rate,Image-photo plethysmography

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