A closed-form solution to video matting of natural snow

Authors:
Hai Liu;Lizhuang Ma;Xuan Cai;Zhihua Chen;Yang Shen
Affiliations:
Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;Department of Computer Science and Engineering, East China University of Science and Technology, Shanghai 200237, China and State Key Lab of CAD and CG, Zhejiang University, Hangzhou 310058, China;Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Venue:
Information Processing Letters
Year:
2009

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Abstract

In this paper, we address the problem on video matting of natural snow in snowing context. By optical features of natural snow and the continuity of a video, we design a suitable temporal filter to recover the background of the video and compute the approximate matte gradient. Using two types of information obtained, we first propose a closed-form solution to video matting of natural snow.