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  • Pseudo-invariant image transformations on a hexagonal lattice

    Author(s)
    Sheridan, Phillip E.
    Griffith University Author(s)
    Sheridan, Phillip E.
    Year published
    2000
    Metadata
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    Abstract
    A novel data structure for a machine vision system is presented in this paper. The approach is inspired from anatomical considerations of the primate's vision system. The geometrical arrangements of cones (photo receptors) on a primate's retina can be described in terms of a hexagonal lattice. The importance of this lattice is that it possesses special computational features pertinent to the vision process. Pseudo- (quasi-) invariant transformations are relevant to both biological and machine vision systems. They provide a means by which an image can be represented independent of a coordinate system. This facilitates the ...
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    A novel data structure for a machine vision system is presented in this paper. The approach is inspired from anatomical considerations of the primate's vision system. The geometrical arrangements of cones (photo receptors) on a primate's retina can be described in terms of a hexagonal lattice. The importance of this lattice is that it possesses special computational features pertinent to the vision process. Pseudo- (quasi-) invariant transformations are relevant to both biological and machine vision systems. They provide a means by which an image can be represented independent of a coordinate system. This facilitates the object recognition process. This paper describes a method of producing pseudo-invariant image transformations on a hexagonal lattice. A method of implementing the invariant transformations on a computer is provided. Application areas where the transformations can be employed are discussed.
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    Journal Title
    Image and Vision computing
    Volume
    18
    DOI
    https://doi.org/10.1016/S0262-8856(00)00036-6
    Subject
    Artificial Intelligence and Image Processing
    Electrical and Electronic Engineering
    Publication URI
    http://hdl.handle.net/10072/67434
    Collection
    • Journal articles

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