Curved reflection symmetry detection with self-validation
ACCV'10 Proceedings of the 10th Asian conference on Computer vision - Volume Part IV
An algorithm to detect the weak-symmetry of a simple polygon
ICIAR'11 Proceedings of the 8th international conference on Image analysis and recognition - Volume Part I
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Affine-invariant feature vector, which captures local and semi-local features, was used in the detection of skewed symmetries. Here, the problem of symmetry axes detection has been formulated as a line detection problem, with known orientations within a local similarity matrix computed for a shape. Moreover, our technique allows all the local reflection-symmetries within an object to be detected. Experiments on detecting skewed symmetries of self-symmetric objects and generalized objects, under noises and occlusions, have demonstrated the effectiveness of this method.