Exploration of the optimal skin-camera distance for facial photoplethysmographic imaging measurement using cameras of different types.
Bin HanKamen IvanovLei WangYan YanPublished in: EAI Endorsed Trans. Ambient Syst. (2016)
Keyphrases
- imaging devices
- ccd camera
- single shot
- multiple cameras
- hand held
- single camera
- camera calibration
- captured images
- multi camera
- imaging model
- image sensor
- field of view
- light intensity
- camera images
- camera array
- surveillance system
- camera views
- time of flight
- multi view
- camera network
- acquired images
- radial distortion
- stereo camera
- perspective camera
- omni directional
- binocular vision
- omnidirectional camera
- focal length
- depth cameras
- video camera
- computational photography
- computer vision
- imaging process
- image sequences
- virtual camera
- camera positions
- intrinsic parameters
- vision system
- digital camera
- ground plane
- moving camera
- lens distortion
- image acquisition
- high resolution
- camera motion
- single viewpoint
- light field
- imaging systems
- calibration method
- structured light
- human faces
- white balance
- active illumination
- face images
- uncalibrated cameras