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Diffusion-based saliency detection with optimal seed selection scheme
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DOI：10.1016/j.neucom.2017.02.007.png)
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Abstract
En 中文
To detect salient regions in images, a widely accepted practice is to construct a graph on the image elements, and then assign a saliency value to each node in the graph according to its distance to a number of initial seeds. Two problems emerge in this procedure, i.e., generating the initial seeds and propagating the saliency values. In this work, a scheme for selecting the initial seeds is introduced. A linear model is learned to predict the confidence of assigning a superpixel to the foreground or to the background, and then an adaptive thresholding method is adopted to generate reliable foreground and background Seeds, from which the saliency value is propagated in the diffusion procedure. The proposed approach is experimentally evaluated on several saliency detection datasets, and improved results are observed compared with a number of the state of the art methods. (C) 2017 Elsevier B.V. All rights reserved.
Keywords:
Saliency detection
Seed selection
Diffusion
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