Focal Boundary Guided Salient Object Detection
Wang, Yupei; Zhao, Xin; Hu, Xuecai; Li, Yin; Huang, Kaiqi
Source PublicationIEEE Transactions on Image Processing

The performance of salient object segmentation has been significantly advanced by using the deep convolutional networks. However, these networks often produce blob-like saliency maps without accurate object boundaries. This is caused by the limited spatial resolution of their feature maps after multiple pooling operations and might hinder downstream applications that require precise object shapes. To address this issue, we propose a novel deep model—Focal Boundary Guided (Focal-BG) network. Our model is designed to jointly learn to segment salient object masks and detect salient object boundaries. Our key idea is that additional knowledge about object boundaries can help to precisely identify the shape of the object. Moreover, our model incorporates a refinement pathway to refine the mask prediction and makes use of the focal loss to facilitate the learning of the hard boundary pixels. To evaluate our model, we conduct extensive experiments. Our Focal-BG network consistently outperforms the state-of-the-art methods on five major benchmarks. We provide a detailed analysis of these results and demonstrate that our joint modeling of salient object boundary and mask helps to better capture the shape details, especially in the vicinity of object boundaries.

KeywordVisual Saliency Detection, Salient Object Segmentation, Boundary Detection, Deep Learning
Indexed BySCI
WOS IDWOS:000462386000014
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Document Type期刊论文
Affiliation1.Institute of Automation, Chinese Academy of Sciences
2.University of Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wang, Yupei,Zhao, Xin,Hu, Xuecai,et al. Focal Boundary Guided Salient Object Detection[J]. IEEE Transactions on Image Processing,2019,6(28):2813-2824.
APA Wang, Yupei,Zhao, Xin,Hu, Xuecai,Li, Yin,&Huang, Kaiqi.(2019).Focal Boundary Guided Salient Object Detection.IEEE Transactions on Image Processing,6(28),2813-2824.
MLA Wang, Yupei,et al."Focal Boundary Guided Salient Object Detection".IEEE Transactions on Image Processing 6.28(2019):2813-2824.
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