Image "appearance" may change over time due to a variety of causes such as: 1) object or camera motion; 2) generic photometric events including variations in illumination (e.g. shadows) and specular reflections; and 3) "iconic changes" which are specific to the objects being viewed and include complex occlusion events and changes in the material properties of the objects. We propose a general framework for representing and recovering these "appearance changes" in an image sequence as a "mixture" of different causes. The approach generalizes previous work on optical flow to provide a richer description of image events and more reliable estimates of image motion.


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    Title :

    A framework for modeling appearance change in image sequences


    Contributors:
    Black, M.J. (author) / Fleet, D.J. (author) / Yacoob, Y. (author)


    Publication date :

    1998-01-01


    Size :

    1301655 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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