A Dataset and Toolkit for Multiparameter Cardiovascular Physiology Sensing on Rings
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908353522827264 |
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| author | Tang, Jiankai Wang, Kegang Ding, Yingke Ji, Jiatong Wang, Zeyu Zhang, Xiyuxing Chen, Ping Shi, Yuanchun Wang, Yuntao |
| author_facet | Tang, Jiankai Wang, Kegang Ding, Yingke Ji, Jiatong Wang, Zeyu Zhang, Xiyuxing Chen, Ping Shi, Yuanchun Wang, Yuntao |
| contents | Smart rings offer a convenient way to continuously and unobtrusively monitor cardiovascular physiological signals. However, a gap remains between the ring hardware and reliable methods for estimating cardiovascular parameters, partly due to the lack of publicly available datasets and standardized analysis tools. In this work, we present $τ$-Ring, the first open-source ring-based dataset designed for cardiovascular physiological sensing. The dataset comprises photoplethysmography signals (infrared and red channels) and 3-axis accelerometer data collected from two rings (reflective and transmissive optical paths), with 28.21 hours of raw data from 34 subjects across seven activities. $τ$-Ring encompasses both stationary and motion scenarios, as well as stimulus-evoked abnormal physiological states, annotated with four ground-truth labels: heart rate, respiratory rate, oxygen saturation, and blood pressure. Using our proposed RingTool toolkit, we evaluated three widely-used physics-based methods and four cutting-edge deep learning approaches. Our results show superior performance compared to commercial rings, achieving best MAE values of 5.18 BPM for heart rate, 2.98 BPM for respiratory rate, 3.22\% for oxygen saturation, and 13.33/7.56 mmHg for systolic/diastolic blood pressure estimation. The open-sourced dataset and toolkit aim to foster further research and community-driven advances in ring-based cardiovascular health sensing. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_04172 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A Dataset and Toolkit for Multiparameter Cardiovascular Physiology Sensing on Rings Tang, Jiankai Wang, Kegang Ding, Yingke Ji, Jiatong Wang, Zeyu Zhang, Xiyuxing Chen, Ping Shi, Yuanchun Wang, Yuntao Image and Video Processing Human-Computer Interaction Medical Physics Smart rings offer a convenient way to continuously and unobtrusively monitor cardiovascular physiological signals. However, a gap remains between the ring hardware and reliable methods for estimating cardiovascular parameters, partly due to the lack of publicly available datasets and standardized analysis tools. In this work, we present $τ$-Ring, the first open-source ring-based dataset designed for cardiovascular physiological sensing. The dataset comprises photoplethysmography signals (infrared and red channels) and 3-axis accelerometer data collected from two rings (reflective and transmissive optical paths), with 28.21 hours of raw data from 34 subjects across seven activities. $τ$-Ring encompasses both stationary and motion scenarios, as well as stimulus-evoked abnormal physiological states, annotated with four ground-truth labels: heart rate, respiratory rate, oxygen saturation, and blood pressure. Using our proposed RingTool toolkit, we evaluated three widely-used physics-based methods and four cutting-edge deep learning approaches. Our results show superior performance compared to commercial rings, achieving best MAE values of 5.18 BPM for heart rate, 2.98 BPM for respiratory rate, 3.22\% for oxygen saturation, and 13.33/7.56 mmHg for systolic/diastolic blood pressure estimation. The open-sourced dataset and toolkit aim to foster further research and community-driven advances in ring-based cardiovascular health sensing. |
| title | A Dataset and Toolkit for Multiparameter Cardiovascular Physiology Sensing on Rings |
| topic | Image and Video Processing Human-Computer Interaction Medical Physics |
| url | https://arxiv.org/abs/2505.04172 |