Accuracy of pulse wave measurement from the sole of rodents using RGB camera

Masato Takahashi; Takeshi Yamaguchi; Keiko Ogawa-Ochiai; Norimichi Tsumura; Norio Iijima

doi:10.1117/12.2607919

2 March 2022 Accuracy of pulse wave measurement from the sole of rodents using RGB camera

Masato Takahashi, Takeshi Yamaguchi, Keiko Ogawa-Ochiai, Norimichi Tsumura, Norio Iijima

Proceedings Volume 11968, Optical Diagnostics and Sensing XXII: Toward Point-of-Care Diagnostics; 119680D (2022) https://doi.org/10.1117/12.2607919
Event: SPIE BiOS, 2022, San Francisco, California, United States

Conference Poster

Abstract

In this paper, we report the results of accuracy verification of a measurement method for capturing pulse waves from the sole of rodents using an RGB camera in a non-contact, non-invasive manner. In order to acquire biometric data such as pulse waves from animals, a non-invasive method is required to minimize the impact on the animal. We experimented with verifying the accuracy of pulse waves using an RGB camera synchronized with the electrocardiogram (ECG). As a result, our proposed method of detecting pulse waves from the sole was observed to measure pulse rate with similar accuracy to an ECG. The deviation of the heartbeat interval was somewhat larger for the proposed method than for the ECG; the maximum absorption peak of the Green signal showed the same pattern in the extremities, indicating that the deviation of pulse wave propagation was larger than 1/250 s. The deviation between the R-wave peak of the ECG and the maximum absorption peak of the sole was 0.1 s.

Conference Presentation

Citation Download Citation

Masato Takahashi, Takeshi Yamaguchi, Keiko Ogawa-Ochiai, Norimichi Tsumura, and Norio Iijima "Accuracy of pulse wave measurement from the sole of rodents using RGB camera", Proc. SPIE 11968, Optical Diagnostics and Sensing XXII: Toward Point-of-Care Diagnostics, 119680D (2 March 2022); https://doi.org/10.1117/12.2607919

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