Research Article

Noncontact Heart Rate Measurement Using a Webcam, Based on Joint Blind Source Separation and a Skin Reflection Model: For a Wide Range of Imaging Conditions

Table 2

Video labels in the Public Benchmark Dataset.

LabelDescription of the label

LC1Color temperature 6500 kelvin, light intensity 5.2 lux
LC2Color temperature 6500 kelvin, light intensity 36 lux
LC3Color temperature 6500 kelvin, light intensity 187 lux
LC4Color temperature 6500 kelvin, light intensity 720 lux
LC5Color temperature 6500 kelvin, light intensity 2720 lux
LC6Color temperature 2700 kelvin, light intensity 35 lux
LC7Color temperature 6500 kelvin, light intensity 18 lux; the illumination came from the side of the face
M1Lighting condition: LC4; natural head motions and rotations
M2Lighting condition: LC4; continuous rhythmic nodding motion 60 times per minute
M3Lighting condition: LC4; continuous rhythmic nodding motion 90 times per minute
H1Lighting condition: LC4; high and descending HR (recorded immediately after running)
P1Subject #1 with light skin tone
P2Subject #2 with dark skin tone
P3Subject #3 with dark skin tone