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Nonlocal active contour model for texture segmentation
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DOI：10.1007/s11042-016-3462-7.png)
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摘要
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Texture segmentation is a very important subject in the fields of computer vision. In order to segment the textures, active contour model based on nonlocal means method and tikhonov regularization is proposed. In detail, a new nonlocal tikhonov regularization smoothness term is added. The nonlocal operator is based on the image slice similarity. So better segmentation accuracy can be achieved for the images which contain special texture features. The good matter of our method is not only nonlocal operator added but also the original tikhonov regularization smoothness item based on the pixel values retained. The nonlocal operator is time consuming, while the reserved smoothness term can save time to some extent. The traditional active contour model can only be used to segment the conventional images. The nonlocal active contour model can dispose the textures well. What's more, in order to improve the computation efficiency, this paper designs the Split-Bregman algorithm. At last, our performance is demonstrated by segmenting many real texture images.
Keyword:
Texture segmentation
Nonlocal means method
Tikhonov regularization
Nonlocal tikhonov regularization
Nonlocal active contour model
Split-Bregman algorithm
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3
论文数:
2.0W
被引数:
3.2W
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