A closed-form solution to video matting of natural snow

被引：1
|
作者：
Liu, Hai [1 ]
Ma, Lizhuang [1 ]
Cai, Xuan [1 ]
Chen, Zhihua [2 ,3 ]
Shen, Yang [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Comp Sci & Engn, Shanghai 200240, Peoples R China
[2] E China Univ Sci & Technol, Dept Comp Sci & Engn, Shanghai 200237, Peoples R China
[3] Zhejiang Univ, State Key Lab CAD & CG, Hangzhou 310058, Zhejiang, Peoples R China
来源：
INFORMATION PROCESSING LETTERS | 2009年 / 109卷 / 18期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
Design of algorithms; Closed-form solution; Temporal filter; Matte gradient; Informed Matting;
D O I：
10.1016/j.ipl.2009.07.005
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
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. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：1097 / 1104
页数：8
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