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A Technique for Finding the Symmetry Axes of Implicit Polynomial Curves under Perspective Projection
March 2005 (vol. 27 no. 3)
pp. 465-470
This paper presents an algebraic technique for detecting the symmetry axes of a perspectively projected plane curve. The procedure applies to implicit polynomials which has been fitted to 2D image data acquired by means of a photo camera or a TV set. The effectiveness of the proposed method has been demonstrated experimentally by using both synthetic and real images.

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Index Terms:
Symmetry axis, perspective projection, invariants, implicit polynomial representation.
Citation:
Giovanni Marola, "A Technique for Finding the Symmetry Axes of Implicit Polynomial Curves under Perspective Projection," IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 27, no. 3, pp. 465-470, March 2005, doi:10.1109/TPAMI.2005.45
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