Abstract
Reliable saliency detection can be used to quickly and effectively locate objects in images. In this paper, a novel algorithm for saliency detection based on superpixels clustering and stereo disparity (SDC) is proposed. Firstly, we use an improved superpixels clustering method to decompose the given image. Then, the disparity of each superpixel is computed by a modified stereo correspondence algorithm. Finally, a new measure which combines stereo disparity with color contrast and spatial coherence is defined to evaluate the saliency of each superpixel. From the experiments we can see that regions with high disparity can get higher saliency value, and the saliency maps have the same resolution with the source images, objects in the map have clear boundaries. Due to the use of superpixel and stereo disparity information, the proposed method is computationally efficient and outperforms some state-of-the-art colorbased saliency detection methods.
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This work was supported by NSFC Joint Fund with Guangdong under Key Project (U1201258), National Natural Science foundation of China (61402261, 61303088, 61572286), the scientific research foundation of Shandong Province of Outstanding Young Scientist Award (BS2013DX048), Shandong Ji’nan Science and Technology Development Project (201202015).
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Gao, Ss., Chi, J., Li, L. et al. Saliency detection based on superpixels clustering and stereo disparity. Appl. Math. J. Chin. Univ. 31, 68–80 (2016). https://doi.org/10.1007/s11766-016-3365-4
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DOI: https://doi.org/10.1007/s11766-016-3365-4