Doubling the Signal Quality of Smartphone Camera Pulse Oximetry Using the Display Screen as a Controllable Selective Light Source.
Christian HolzEyal OfekPublished in: EMBC (2018)
Keyphrases
- light source
- multiple images
- projector camera
- shape from shading
- ground plane
- laser pointer
- single image
- photometric stereo
- computer screen
- lighting conditions
- object surface
- surface normals
- light intensity
- specular surfaces
- high quality
- multiple projectors
- structured light
- illumination conditions
- illumination direction
- moving shadow
- multiple light sources
- viewing direction
- computer vision
- structure from motion
- surface orientation
- cast shadows
- multi camera
- autocalibration
- camera motion
- shape recovery
- spherical harmonics
- multiple cameras
- video camera
- surface reconstruction
- field of view
- high resolution
- face recognition