Optical flow sensor as a reference for reduction of motion artefacts in photoplethysmographic measurements.
Nicolas De Pinho FerreiraClaudine GéhinBertrand MassotPublished in: EMBC (2020)
Keyphrases
- optical flow
- motion model
- image sequences
- motion field
- motion estimates
- motion estimation
- optical flow estimation
- motion parameters
- camera motion
- optical flow computation
- flow field
- motion segmentation
- high frame rate
- image motion
- inertial sensors
- ego motion
- feature tracking
- sensor measurements
- least squares
- sensor networks
- reference frame
- velocity field
- sensor data
- computer vision
- moving objects
- rigid body motion
- dense optical flow
- vector field
- consecutive frames
- optical flow fields
- computation of optical flow
- visual motion
- flow estimation
- time of flight
- d scene
- optical flow algorithm
- motion discontinuities
- image measurements
- motion compensation
- moving camera
- frame interpolation
- human motion
- moving observer
- motion vectors
- motion features
- scene structure
- rigid motion
- smoothness constraint
- motion patterns