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. 2022 Oct 28;19(21):14080. doi: 10.3390/ijerph192114080

Figure 2.

Figure 2

Three virtual sensor (VS) constellations: (a) VS based entirely on physical sensor (PS), (b) VS based only another VS and (c) VS based on both virtual and physical sensors [32]. Virtual sensor intercorrelates with data captured by physical sensors which are embedded into software applications to implement the algorithmic analytics from all the data sets given.