Robust Recognition of Planar Shapes Under Affine Transforms Using Principal Component Analysis.
Georgios TzimiropoulosNikolaos MitianoudisTania StathakiPublished in: IEEE Signal Process. Lett. (2007)
Keyphrases
- planar shapes
- robust recognition
- principal component analysis
- shape description
- medial axis
- dimensionality reduction
- covariance matrix
- partial occlusion
- dimension reduction
- feature extraction
- face recognition
- feature space
- affine transformation
- affine invariant
- riemannian manifolds
- face images
- low dimensional
- energy function
- object detection
- pairwise