More on natural image matting

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Presentation transcript:

More on natural image matting Digital Visual Effects Yung-Yu Chuang with slides by

A closed form solution to natural alpha matting, CVPR 2006 With slides from Prof. Hwann-Tzong Chen

Linear relation (grayscale for now)

Linear relation

Optimization

Optimization

Optimization

Optimization

Optimization

Optimization

Optimization

The inverse

Optimization

Optimization

A global sampling method for alpha matting, CVPR 2011

Idea input robust improved color shared global

Search space

Propagation and random search

KNN Matting, CVPR 2012

Nonlocal principle

Nonlocal principle for mattes

Kernels and features

KNN matting

Results

Results

Results

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