Optimising rPPG Signal Extraction by Exploiting Facial Surface Orientation.
Kwan Long WongJing Wei ChinTsz Tai ChanIsmoil OdinaevKristian SuhartonoKang TianquRichard H. Y. SoPublished in: CVPR Workshops (2022)
Keyphrases
- surface orientation
- facial shape
- shape from shading
- light source
- surface normals
- photometric stereo
- shape recovery
- planar surfaces
- facial images
- high frequency
- frequency domain
- facial expressions
- face images
- object surface
- face recognition
- computer vision
- transfer function
- intensity images
- perspective projection
- image data
- viewpoint
- three dimensional