Proceedings

Context-aware Cross-level Fusion Network for Camouflaged Object Detection

Yujia Sun, Geng Chen, Tao Zhou, Yi Zhang, Nian Liu

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Proceedings of the Thirtieth International Joint Conference on Artificial Intelligence. Main Track. Pages 1025-1031.

https://doi.org/10.24963/ijcai.2021/142

Keywords

  • Computer Vision: 2D and 3D Computer Vision

Abstract

Camouflaged object detection (COD) is a challenging task due to the low boundary contrast between the object and its surroundings. In addition, the appearance of camouflaged objects varies significantly, e.g., object size and shape, aggravating the difficulties of accurate COD. In this paper, we propose a novel Context-aware Crosslevel Fusion Network (C2F-Net) to address the challenging COD task. Specifically, we propose an Attention-induced Cross-level Fusion Module (ACFM) to integrate the multi-level features with

informative attention coefficients. The fused features are then fed to the proposed Dual-branch Global Context Module (DGCM), which yields multi-scale feature representations for exploiting rich global context information. In C2F-Net, the two modules are conducted on high-level features using a cascaded manner. Extensive experiments on three widely used benchmark datasets demonstrate that our C2F-Net is an effective COD model and outperforms state-of-the-art models remarkably. Our code is publicly available at:

https://github.com/thograce/C2FNet.

Yujia Sun, Geng Chen, Tao Zhou, Yi Zhang, and Nian Liu. 2021. Context-aware Cross-level Fusion Network for Camouflaged Object Detection. In Proceedings of the Thirtieth International Joint Conference on Artificial Intelligence, IJCAI-21. IJCAI, 1025–1031. https://doi.org/10.24963/ijcai.2021/142
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