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Optimal contrast based saliency detection

Published: 01 August 2013 Publication History

Abstract

Saliency detection has been gaining increasing attention in recent years since it could significantly boost many content-based multimedia applications. Most traditional approaches adopt the predefined local contrast, global contrast, or heuristic combination of them to measure saliency. In this paper, based on the underlying premises that human visual attention mechanisms work adaptively for various scales and salient objects can maximally pop out with respect to the background within a specific surrounding area, we propose a novel saliency detection method using a new concept of optimal contrast. A number of contrast hypotheses are first calculated with various surrounding areas by means of sparse coding principles. Afterwards, these hypotheses are compared using an entropy-based criterion and the optimal contrast is selected which is treated as the core factor for building the saliency map. Finally, a multi-scale enhancement is performed to further refine the results. Comprehensive evaluations on three publicly available benchmark datasets and comparisons with many up-to-date algorithms demonstrate the effectiveness of the proposed work.

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  1. Optimal contrast based saliency detection

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    Published In

    cover image Pattern Recognition Letters
    Pattern Recognition Letters  Volume 34, Issue 11
    August, 2013
    109 pages

    Publisher

    Elsevier Science Inc.

    United States

    Publication History

    Published: 01 August 2013

    Author Tags

    1. Eye tracking
    2. Multi-scale
    3. Optimal contrast
    4. Saliency detection
    5. Sparse coding

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