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Invariant object recognition by shape space analysis

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3 Author(s)
J. Zhang ; Wisconsin Univ., Eau Claire, WI, USA ; X. Zhang ; H. Krim

This paper describes a new approach to invariant object recognition. In this approach, an object is represented by a set of key points called landmarks. All possible translation, scaling, and rotation of the object are placed into an equivalent class and associated to a single point in a complex projective space called the shape space. Object recognition is then achieved by distance calculations in this shape space. This approach is invariant to object translation, scaling, and rotation, and is computationally simple. Our experimental results also indicate that it is insensitive to noise and moderate occlusions

Published in:

Image Processing, 1998. ICIP 98. Proceedings. 1998 International Conference on

Date of Conference:

4-7 Oct 1998