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.
Label
Description of the label
LC1
Color temperature 6500 kelvin, light intensity 5.2 lux
LC2
Color temperature 6500 kelvin, light intensity 36 lux
LC3
Color temperature 6500 kelvin, light intensity 187 lux
LC4
Color temperature 6500 kelvin, light intensity 720 lux
LC5
Color temperature 6500 kelvin, light intensity 2720 lux
LC6
Color temperature 2700 kelvin, light intensity 35 lux
LC7
Color temperature 6500 kelvin, light intensity 18 lux; the illumination came from the side of the face
M1
Lighting condition: LC4; natural head motions and rotations
M2
Lighting condition: LC4; continuous rhythmic nodding motion 60 times per minute
M3
Lighting condition: LC4; continuous rhythmic nodding motion 90 times per minute
H1
Lighting condition: LC4; high and descending HR (recorded immediately after running)