A tensor motion descriptor based on histograms of gradients and optical flow.
Virgínia Fernandes MotaEder de Almeida PerezLuiz Maurilio MacielMarcelo Bernardes VieiraPhilippe Henri GosselinPublished in: Pattern Recognit. Lett. (2014)
Keyphrases
- optical flow
- motion model
- structure tensor
- motion field
- image sequences
- optical flow estimation
- motion estimation
- motion parameters
- motion segmentation
- camera motion
- image gradient
- optical flow computation
- least squares
- image motion
- image descriptors
- flow field
- velocity field
- vector field
- optical flow algorithm
- moving objects
- optical flow fields
- gradient orientation
- ego motion
- dense optical flow
- motion discontinuities
- computer vision
- rigid body motion
- motion analysis
- d scene
- motion boundaries
- motion features
- moving camera
- shape descriptors
- optical flow field
- visual motion
- action recognition
- color histogram
- shape context
- object recognition
- image retrieval
- feature tracking
- smoothness constraint
- frame interpolation
- computation of optical flow
- optic flow
- binocular disparity
- motion patterns
- keypoints
- missing data
- video sequences
- feature extraction
- three dimensional