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Saliency detection is one of the extraordinary abilities of the human visual system (HVS), and also provides a powerful tool for predicting where humans tend to focus in the free-viewing process. In this paper, we propose a novel method for computing image saliency. At first, an image is subject to L<sub>0</sub> smoothing to characterize its fundamental(More)
A novel computational model for detecting salient regions in color images is proposed by utilizing early visual features and performing spectral normalization in the octonion algebra framework, which can accommodate more feature channels than quaternions can. Firstly, feature maps based on edge intensity, the black-white, red-green, and blue-yellow color(More)
A novel computational model for detecting salient regions in color images is proposed, based on a two-stage coarse-to-fine framework. Firstly, different early visual feature maps - including the edge intensity; the black-white, red-green, and blue-yellow color opponents; and the Gabor features with four directions - are incorporated into the eight channels(More)
Saliency detection is one of the extraordinary abilities of the human visual system; it also provides a powerful tool for predicting where people tend to focus in the free-viewing process. In this paper, we propose a novel salient-object detection method which applies an over-segmentation-based saliency detection algorithm to multi-level smoothed images.(More)
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