Development of a voiding diary using urination recognition technology in mobile environmentDevelopment of a voiding diary using urination recognition technology in mobile environment
- Other Titles
- Development of a voiding diary using urination recognition technology in mobile environment
- Authors
- 박건현; 김수진; 조영삼
- Issue Date
- Dec-2020
- Publisher
- 한국운동재활학회
- Keywords
- Urination time recognition; Urination management system; Mobile voiding chart
- Citation
- Journal of exercise rehabilitation, v.16, no.6, pp.529 - 533
- Journal Title
- Journal of exercise rehabilitation
- Volume
- 16
- Number
- 6
- Start Page
- 529
- End Page
- 533
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/79893
- DOI
- 10.12965/jer.2040790.395
- ISSN
- 2288-176X
- Abstract
- We invented a wearable device that can measure voiding time and frequency by checking a habitual series of characteristic motions among men. This study collected and analyzed urination time data collected smart bands worn by patients to resolve the clinical issues posed by using voiding charts. By developing a smart band-based algorithm for assessing urination time in patients, this study aimed to explore the feasibility of urination management systems. This study aimed to assess urination time based on a patient’s posture and changes in posture.
Motion data were obtained from a smart band on the arm. An algorithm that identifies the three stages of urination (forward movement, urination, backward movement) was developed based on data collected from a 3-axis accelerometer and tilt angle data. Therefore, we analyze hidden Markov model (HMM)-based sequential data to determine urination time. Real-time data were acquired from the smart band. For data corresponding to a specific duration, the value of the signals was calculated and then compared with the set analysis model to calculate the time of urination. The final accuracy of the algorithm was calculated based on clinical guidelines for urologists. The experiment showed a high average accuracy of 92.5%, proving the robustness of the proposed algorithm. The proposed urination time recognition technology draws on acceleration data and tilt angle data collected via a smart band; these data were then analyzed using a classifier after applying the HMM method.
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