Abstract
The salient region is the area of an image that attracts the attention of viewers. In this paper, a very effective saliency detection algorithm is proposed. Our algorithm is mainly based on two new techniques. First, the discrete cosine transform (DCT) is used for constructing the block-wise saliency map. Then, the superpixel-based segmentation is applied. Since DCT coefficients can reflect the color features of each block in the frequency domain and superpixels can well preserve object boundaries, with the two techniques, the performance of saliency detection can be significantly improved. The simulations performed on a database of 1000 images with human-marked ground truths show that our proposed method can extract the salient region very accurately and outperforms all of the existing saliency detection methods.
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Hsu, CY., Ding, JJ. (2013). Saliency Detection Using DCT Coefficients and Superpixel-Based Segmentation. In: Huet, B., Ngo, CW., Tang, J., Zhou, ZH., Hauptmann, A.G., Yan, S. (eds) Advances in Multimedia Information Processing – PCM 2013. PCM 2013. Lecture Notes in Computer Science, vol 8294. Springer, Cham. https://doi.org/10.1007/978-3-319-03731-8_12
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DOI: https://doi.org/10.1007/978-3-319-03731-8_12
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