Helmholtz stereopsis has been previously introduced as a surface reconstruction technique that does not assume a model of surface reflectance. This technique relies on the use of multiple cameras and light sources, and it has been shown to be effective when the camera and source positions are known. Here, we take a stratified look at uncalibrated Helmholtz stereopsis. We derive a photometric matching constraint that can be used to establish correspondence without any knowledge of the cameras and sources (except that they are co-located), and we determine conditions under which we can obtain affine and metric reconstructions. An implementation and experimental results are presented.


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    Title :

    Toward a stratification of Helmholtz stereopsis


    Contributors:


    Publication date :

    2003-01-01


    Size :

    613021 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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