CVFX Lecture 3: Closed-form matting
Автор: Rich Radke
Загружено: 2014-02-02
Просмотров: 10037
ECSE-6969 Computer Vision for Visual Effects
Rich Radke, Rensselaer Polytechnic Institute
Lecture 3: Closed-form matting (1/30/14)
0:00:01 Closed-form matting
0:02:09 The color line assumption
0:14:04 alpha is a linear function of I
0:23:26 The cost function J
0:37:25 J as a function of alpha
0:39:20 The matting Laplacian
0:44:21 Constraining the matte with scribbles
0:48:36 An example result
0:56:27 Spectral matting
1:06:45 Combining matting components
Follows Section 2.4 of the textbook, http://cvfxbook.com
Key references:
A. Levin, D. Lischinski, and Y. Weiss. A closed-form solution to natural image matting. IEEE Transactions on Pattern Analysis and Machine Intelligence, 30(2):228--42, Feb. 2008.
http://dx.doi.org/10.1109/TPAMI.2007....
A. Levin, A. Rav-Acha, and D. Lischinski. Spectral matting. IEEE Transactions on Pattern Analysis and Machine Intelligence, 30(10):1699--1712, Oct. 2008.
http://dx.doi.org/10.1109/TPAMI.2008.168
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