Software Engineering

Abstract

Measuring vital signs is essential to know the health condition of a person.  Traditionally, these vital signs are measured using electrocardiogram (ECG), photoplethysmography (PPG), pulse oximeter which is more costly. Nowadays, smartphones play a vital role in healthcare services. Measurement of vital signs using smartphone becomes easier and affordable to all common people. This paper presents a comparative review of various techniques by using smartphone devices to measure vital signs directly by the patients.

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