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Salient object detection based on discriminative boundary and multiple cues integration

[+] Author Affiliations
Qingzhu Jiang, Zemin Wu, Chang Tian, Tao Liu, Mingyong Zeng, Lei Hu

PLA University of Science and Technology, College of Communication Engineering, Haifu Lane, Qinhuai District, Nanjing 210007, China

J. Electron. Imaging. 25(1), 013019 (Feb 01, 2016). doi:10.1117/1.JEI.25.1.013019
History: Received July 26, 2015; Accepted December 16, 2015
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Abstract.  In recent years, many saliency models have achieved good performance by taking the image boundary as the background prior. However, if all boundaries of an image are equally and artificially selected as background, misjudgment may happen when the object touches the boundary. We propose an algorithm called weighted contrast optimization based on discriminative boundary (wCODB). First, a background estimation model is reliably constructed through discriminating each boundary via Hausdorff distance. Second, the background-only weighted contrast is improved by fore-background weighted contrast, which is optimized through weight-adjustable optimization framework. Then to objectively estimate the quality of a saliency map, a simple but effective metric called spatial distribution of saliency map and mean saliency in covered window ratio (MSR) is designed. Finally, in order to further promote the detection result using MSR as the weight, we propose a saliency fusion framework to integrate three other cues—uniqueness, distribution, and coherence from three representative methods into our wCODB model. Extensive experiments on six public datasets demonstrate that our wCODB performs favorably against most of the methods based on boundary, and the integrated result outperforms all state-of-the-art methods.

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Citation

Qingzhu Jiang ; Zemin Wu ; Chang Tian ; Tao Liu ; Mingyong Zeng, et al.
"Salient object detection based on discriminative boundary and multiple cues integration", J. Electron. Imaging. 25(1), 013019 (Feb 01, 2016). ; http://dx.doi.org/10.1117/1.JEI.25.1.013019


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