Towards using covariance matrix pyramids as salient point descriptors in 3D point clouds.
Moritz KaiserXiao XuBogdan KwolekShamik SuralGerhard RigollPublished in: Neurocomputing (2013)
Keyphrases
- covariance matrix
- salient points
- covariance matrices
- salient features
- feature vectors
- sample size
- point cloud
- principal component analysis
- saliency map
- information content
- objective function
- multivariate gaussian
- human actions
- eigenvalues and eigenvectors
- geometrical interpretation
- color information
- global features
- vision system