To realize a seamless augmented reality system, proper simulation of real lighting is an important factor. In this paper, two spheres with Lambert surface are introduced in the real scene. Through image analysis and analytical geometry of three dimensions, the illumination parameters of the real scene are estimated automatically. These parameters describe a point light source and ambient light. Using the estimated illumination parameters, the synthetic scene is relighted through inserting proper virtual light sources in the scene graph tree. This work explores an image-based and post-illumination-processing approach to rapidly improve illumination consistency in augmented reality. Experimental results with a virtual blue goblet mixed into the real scene show that the proposed system can make the illumination in both scenes are identical.


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    Title :

    Estimation of Light Source Environment for Illumination Consistency of Augmented Reality


    Contributors:
    Feng, Yan (author)


    Publication date :

    2008-05-01


    Size :

    413498 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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