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foreground attention map

A foreground attention map is a spatial feature representation generated by neural network attention mechanisms that selectively highlights target objects or regions of primary interest in an image while suppressing background areas. In computer vision tasks such as image segmentation and object detection, this map assigns higher numerical weights or activation values to pixels and regions corresponding to the interior and features of foreground entities. By directing model capacity toward salient or task-relevant visual cues, foreground attention maps facilitate accurate feature extraction, assist in delineating boundaries between objects and their surrounding environments, and improve the localization of ambiguous or camouflaged targets.

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I Can Find You! Boundary-Guided Separated Attention Network for Camouflaged Object Detection

I Can Find You! Boundary-Guided Separated Attention Network for Camouflaged Object Detection

Hongwei Zhu, Peng Li, Haoran Xie, Xuefeng Yan, Dong Liang, Dapeng Chen, Mingqiang Wei, Jing Qin

OrganizationsHong Kong Polytechnic UniversityHuaweiLingnan UniversityMIIT Key Laboratory of Pattern Analysis and Machine IntelligenceNanjing University of Aeronautics and Astronautics

Why you should read this

Proposes a boundary-guided separated attention network that mirrors human perception by decoupling foreground and background streams to locate camouflaged objects with highly ambiguous boundaries, outperforming sixteen state-of-the-art methods across standard benchmarks.

Can you find me? By simulating how humans to discover the so-called ‘perfectly’-camouflaged object, we present a novel boundary-guided separated attention network (call BSA-Net). Beyond the existing camouflaged object detection (COD) wisdom, BSA-Net utilizes two-stream separated attention modules to highlight the separator (or say the camouflaged object’s boundary) between an image’s background and foreground: the reverse attention stream helps erase the camouflaged object’s interior to focus on the background, while the normal attention stream recovers the interior and thus pay more attention to the foreground; and both streams are followed by a boundary guider module and combined to strengthen the understanding of the boundary. The core design of such separated attention is motivated by the COD procedure of humans: find the subtle difference between the foreground and background to delineate the boundary of a camouflaged object, then the boundary can help further enhance the COD accuracy. We validate on three benchmark datasets that our BSA-Net is very beneficial to detect camouflaged objects with the blurred boundaries and similar colors/patterns with their backgrounds. Extensive results exhibit very clear COD improvements on our BSA-Net over sixteen SOTAs.

Added

2026-09-26