A unified differential geometric framework for estimation of local surface shape and orientation from projective texture distortion is proposed, based on a differential version of the texture stationarity assumption introduced by Malik and Rosenholtz. This framework allows the information content of the gradient of any texture descriptor defined in a local coordinate frame to be characterized in a very compact form. The analysis encompasses both full affine texture descriptors and the classical "texture gradients". For estimation of local surface orientation and curvature from uncertain observations of affine texture distortion, the proposed framework allows the dimensionality of the search space to be reduced from five to one.<>


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    Title :

    Surface orientation and curvature from differential texture distortion


    Contributors:
    Garding, J. (author)


    Publication date :

    1995-01-01


    Size :

    689733 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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