In this paper a simple method of measuring the pulse rate is presented. Elaborated algorithm allows for efficient pulse rate registration directly from face images captured from a webcam. The desired signal is obtained by proper channel selection and principal component analysis. To determine the accuracy of the method an ECG signal is collected together with a video recordings. The effectiveness of the algorithm is considered...

: W artykule opisano zagadnienia dotyczące tworzenia optymalnego interfejsu użytkownika przeznaczonego dla osób starszych i przewlekle chorych.

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