Fig. 2: Comparison of rPPG method performance across PURE and LGI-PPGI datasets. | npj Biosensing

Fig. 2: Comparison of rPPG method performance across PURE and LGI-PPGI datasets.

From: Optimal signal quality index for remote photoplethysmogram sensing

Fig. 2

This figure illustrates the average absolute beats-per-minute difference (|ΔBPM|) for three remote photoplethysmography (rPPG) methods: CHROM, GREEN, and OMIT, across all activities and subjects within the PURE (a) and LGI-PPGI (b) datasets. The analysis covers a range of window sizes from 1 to 12 seconds. |ΔBPM| represents the difference in beats per minute, serving as a measure of accuracy for each rPPG method.

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