Noise resistant invariants of curves
Geometric invariance in computer vision
Fast recognition using algebraic invariants
Geometric invariance in computer vision
An application of wavelet-based affine-invariant representation
Pattern Recognition Letters
Image registration and object recognition using affine invariants and convex hulls
IEEE Transactions on Image Processing
Affine invariants of convex polygons
IEEE Transactions on Image Processing
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A method dealing with recognition of partially occluded and affine transformed binary objects is presented. The method is designed for objects with smooth curved boundary. It divides an object into affine-invariant parts and uses modified radial vector for the parts description. Object recognition is performed via string matching in the space of radial vectors.