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Nonlocal Variational Model for Saliency Detection

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  • Meng Li
  • Yi Zhan
  • Lidan Zhang

Abstract

We present a nonlocal variational model for saliency detection from still images, from which various features for visual attention can be detected by minimizing the energy functional. The associated Euler-Lagrange equation is a nonlocal -Laplacian type diffusion equation with two reaction terms, and it is a nonlinear diffusion. The main advantage of our method is that it provides flexible and intuitive control over the detecting procedure by the temporal evolution of the Euler-Lagrange equation. Experimental results on various images show that our model can better make background details diminish eventually while luxuriant subtle details in foreground are preserved very well.

Suggested Citation

  • Meng Li & Yi Zhan & Lidan Zhang, 2013. "Nonlocal Variational Model for Saliency Detection," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-7, September.
    • Handle: RePEc:hin:jnlmpe:518747
    DOI: 10.1155/2013/518747
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