Matching and Perturbation Theories for Affine-Invariant Shapes Using QR Factorization with Column Pivoting.
Zhaozhong WangYuanYuan YuPublished in: J. Math. Imaging Vis. (2014)
Keyphrases
- affine invariant
- fourier descriptors
- affine transformation
- contour matching
- object matching
- singular value decomposition
- scale invariant
- shape recognition
- multiscale
- curvature scale space
- planar objects
- trademark images
- arc length
- curve matching
- zernike moments
- shape matching
- shape representation
- geometric transformations
- feature points
- shape descriptors
- feature detectors
- shape model
- affine invariance
- region descriptors
- least squares
- computer vision
- image segmentation
- scale space
- matching algorithm
- image matching
- convex hull