This paper presents a method to reconstruct the surface reflectance of objects from images. For objects with spatially-varying materials, we assume that each point can be represented as a weighted sum of several basic materials. First, a cluster algorithm is applied to automatically compute the number of basic materials. Then, the weight map and parameters of the reflectance model are iteratively optimized. In this step, diffuse and specular albedo is separately estimated to exhibit more reliable results. Finally,using our output parameters the object could be reconstructed under arbitrary illumination/viewing conditions. Besides those objects composed with distinct materials, this method is also useful to reconstruct objects mixed with complex materials, such as alloy and marble.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Reflectance Reconstruction of Objects with Spatially Varying Materials


    Contributors:
    Wang, Qiushi (author) / Ma, Lizhuang (author) / Zeng, Zhou (author)


    Publication date :

    2008-05-01


    Size :

    684584 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



    Iterative method for tomographic reconstruction of time-varying objects

    Yau, S. F. / Chiu, Y. H. | British Library Online Contents | 2000


    Cushion with spatially varying lattice structures

    LANG STEVEN C / MANKAME NILESH D / WHITE BRENNON L et al. | European Patent Office | 2019

    Free access

    Cushion With Spatially Varying Lattice Structures

    LANG STEVEN C / MANKAME NILESH D / WHITE BRENNON L et al. | European Patent Office | 2019

    Free access

    Classification of spatially unresolved objects

    Nalepka, R. F. / Horwitz, H. M. / Hyde, P. D. et al. | NTRS | 1972


    Surface Reflectance Modeling of Real Objects with Interreflections

    Machida, T. / Yokoya, N. / Takemura, H. et al. | British Library Conference Proceedings | 2003