期刊
PATTERN RECOGNITION
卷 47, 期 4, 页码 1731-1739出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.patcog.2013.11.012
关键词
Salient object detection; Particle swarm optimization; Multi-objective function
资金
- University Grant Commission (UGC), India
Despite significant amount of research works, the best available visual attention models still lag far behind human performance in predicting salient object. In this paper, we present a novel approach to detect a salient object which involves two phases. In the first phase, three features such as multi-scale contrast, center-surround histogram and color spatial distribution are obtained as described in Liu et al. model. Constrained Particle Swarm Optimization is used in the second phase to determine an optimal weight vector to combine these features to obtain saliency map to distinguish a salient object from the image background. To achieve this, we defined a simple fitness function which highlights a salient object region with well-defined boundary and effectively suppresses the background regions in an image. The performance is evaluated both qualitatively and quantitatively on a publicly available dataset. Experimental results demonstrate that the proposed model outperforms existing state-of-the-art methods in terms of precision, recall, F -measure and area under curve. (C) 2013 Elsevier Ltd. All rights reserved.
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