Abstract
Most of current salient object detection (SOD) methods focus on well-lit scenes, and their performance drops when generalized into low-light scenes due to limitations such as blurred boundaries and low contrast. To solve this problem, we propose a global guidance-based integration network (G2INet) customized for low-light SOD. First, we propose a Global Information Flow (GIF) to extract comprehensive global information, for guiding the fusion of multi-level features. To facilitate information integration, we design a Multi-level features Cross Integration (MCI) module, which progressively fuses low-level details, high-level semantics, and global information by interweaving. Furthermore, a U-shaped Attention Refinement (UAR) module is proposed to further refine edges and details for accurate saliency predictions. In terms of five metrics, extensive experimental results demonstrate that our method outperforms the existing twelve state-of-the-art models.
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