Contact-Less, Optical Heart Rate Determination in the Field Ambient Assisted Living

A continuous monitoring of vital parameters, such as the heart rate, can be beneficial in order to quantify a person’s health status. Especially in the field ambient assisted living (AAL) such of information can support elderly persons with their self-determined living. In this study, we propose a new contact-less, optical method to determine the heart rate. This approach is based on an individual, situation dependent skin colour model, an advanced tracking, an independent component analysis (ICA) and an adaptive filtering. Moreover, this method was evaluated in a general setting with twelve different scenarios and three AAL specific scenarios. Overall, the findings indicate that this approach can be used in the field AAL.

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