Table 2 Details of ROIs, including sampled pixels, thickness, image representation, and common co-included regions

From: The role of face regions in remote photoplethysmography for contactless heart rate monitoring

ROI Name

Pixels Sampled

Thickness (μm)

ROI Image

Common Co-Included ROIs

Upper Medial Forehead

504

1245.63

Whole Forehead (Forehead and Glabella)

Lower Medial Forehead

454

1221.88

Glabella

775

1386.11

Whole Forehead (Forehead and Glabella)

Right Malar

794

1086.20

Left Malar (Cheek)

Left Malar

955

1086.20

Right Malar (Cheek)

  1. The TOP-5 regions were taken, according to Li et al.61 and Kim et al.4.