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27 March 1987 Form Recognition Using Moment Invariants for Three Dimensional Perspective Transformations
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Proceedings Volume 0726, Intelligent Robots and Computer Vision V; (1987)
Event: Cambridge Symposium_Intelligent Robotics Systems, 1986, Cambridge, MA, United States
The invariant recognition of forms is important for many tasks. The purpose of this paper is to consider algebraic and moment invariants for perspective transformations. These are important because every lens system induces a perspective transformation. The approach consists of considering the non-linear perspective transformation in a higher dimensional, homogenous space. In homogeneous space the perspective transformation is linear and algebraic invariant theory may be used to determine absolute algebraic and moment invariants. The cross ratio is a well known perspective invariant. New moment invariants corresponding to the perspective transformation are derived. Examples are presented to demonstrate the theoretical approach. The significance of this work lies in the importance of invariant recognition for both human and machine vision.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kyoung T. Park and Ernest L. Hall "Form Recognition Using Moment Invariants for Three Dimensional Perspective Transformations", Proc. SPIE 0726, Intelligent Robots and Computer Vision V, (27 March 1987); doi: 10.1117/12.937716;


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