Natural image matting through overlapping neighborhood propagation

Hongjing Peng; Jiang Duan; Jianhua Yuan; Dinghong Shao

doi:10.1117/12.921084

12 January 2012 Natural image matting through overlapping neighborhood propagation

Hongjing Peng, Jiang Duan, Jianhua Yuan, Dinghong Shao

Proceedings Volume 8350, Fourth International Conference on Machine Vision (ICMV 2011): Computer Vision and Image Analysis; Pattern Recognition and Basic Technologies; 83501C (2012) https://doi.org/10.1117/12.921084
Event: Fourth International Conference on Machine Vision (ICMV 11), 2011, Singapore, Singapore

Abstract

The Laplacian based matting methods are attracting a lot of attention due to their elegant and high quality closedform solution. In this paper, we develop an alternative Laplacian construction for matting task by using local linear learning model, and naturally derive its nonlinear extension by incorporating Kernel Ridge Regression algorithm. Our Laplacian matrix construction approaches are based on the assumption that the alpha matte of each pixel point can be reconstructed from its neighbors' alpha values in each of overlapping windows. In this way the induced Laplacians can better exploit neighborhood intrinsic structure to constrain the propagation of foreground and background labels. Experimental results demonstrate the proposed approaches produce very high accuracy matte values, of which our nonlinear method even outperforms other Laplacian based matting methods on many test images.

Citation Download Citation

Hongjing Peng, Jiang Duan, Jianhua Yuan, and Dinghong Shao "Natural image matting through overlapping neighborhood propagation", Proc. SPIE 8350, Fourth International Conference on Machine Vision (ICMV 2011): Computer Vision and Image Analysis; Pattern Recognition and Basic Technologies, 83501C (12 January 2012); https://doi.org/10.1117/12.921084

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KEYWORDS

Nickel

Matrices

Algorithm development

Chemical elements

RGB color model

Visualization

Image quality

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