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Exploiting CCTV Cameras for Hand Hygiene Recognition in ICU

Weijun Huang (Institute of Basic Medicine and Cancer, China); Jia Huang (The Third People's Hospital of Shenzhen); Guowei Wang (The Third People's Hospital of Shenzhen, China); Hongzhou Lu (Department of Infectious Diseases, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China); Min He (College of Electrical and Information Engineering, Hunan University; Institute of Basic Medicine and Cancer, Chinese Academy of Sciences); Wenjin Wang (Southern University of Science and Technology)

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08 Jun 2023

The monitoring of hand hygiene activities can effectively reduce the infection and contamination in the Intensive Care Unit (ICU). In this paper, we created a clinical dataset using CCTV cameras installed in ICU to explore the feasibility of recognizing hand washing steps of clinicians. A video processing architecture including hand landmark detection and classification is presented. Such a system can potentially be used to alarm the clinicians to follow the guidelines of hand hygiene. The experimental results show that the average accuracy of our methodology can achieve 95\% under personalized model, 56\% under generalized model. The preliminary results suggest that hand hygiene is subject-dependent, which is related to the palm size and washing habit of individuals. The cross-subject modeling or subject-adaptive learning can be applied to further improve the accuracy of recognition towards a more generalized solution. The insights of study are helpful for designing an hand hygiene scoring and alarming system as a part of hospital IoT.

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