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Exploring Defocus Matting: Nonparametric Acceleration, Super-Resolution, and Off-Center Matting

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5 Author(s)
Neel Joshi ; Dept. of Comput. Sci. & Eng., California Univ., San Diego, La Jolla, CA ; Matusik, W. ; Avidan, S. ; Pfister, H.
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Defocus matting is a fully automatic and passive method for pulling mattes from video captured with coaxial cameras that have different depths of field and planes of focus. Nonparametric sampling can accelerate the video-matting process from minutes to seconds per frame. In addition, a super-resolution technique efficiently bridges the gap between mattes from high-resolution video cameras and those from low-resolution cameras. Off-center matting pulls mattes for an external high-resolution camera that doesn't share the same center of projection as the low-resolution cameras used to capture the defocus matting data. In this article, we address these limitations and extend defocus matting in several important ways

Published in:

Computer Graphics and Applications, IEEE  (Volume:27 ,  Issue: 2 )

Date of Publication:

March-April 2007

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