“Motion regularization for matting motion blurred objects” by , Tai and Brown




    Motion regularization for matting motion blurred objects



    We address the problem of matting motion blurred objects from a single image. Existing single-image matting methods are designed to extract static objects that have fractional pixel occupancy. This arises because the real scene object has a finer resolution than the discrete image pixel and therefore only occupies a portion of the pixel. For a motion blurred object, however, fractional pixel occupancy is attributed almost entirely to the object’s motion over the exposure time. While conventional matting techniques can be used to matte motion blurred object, they are not formulated in a manner that considers the object’s local motion. Not surprisingly, these existing techniques often produce less than satisfactory results when used to matte motion blurred objects, especially when not on solid colored background.


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