Collaborative compensative transformer network for salient object detection

doi:10.1016/j.patcog.2024.110600

Collaborative compensative transformer network for salient object detection

2024-10-01

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DOI：10.1016/j.patcog.2024.110600

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Salient object detection (SOD) is of high significance for various computer vision applications but is a challenging task due to the complicated scenes in real -world images. Most state-of-the-art SOD methods aim to build long-range dependency for improving global contrast modeling in complicated scenes. However, most of them suffer from the prior assumption of treating image patches as visual tokens for building long-range dependency. This is because this assumption leads to localizing salient regions with uncertain boundaries due to the lost object structure information. In this paper, to address this issue, we re -construct the prior assumption of treating both patches and superpixels as visual tokens for building long-range dependency, which takes into account the properties of superpixels and patches in preserving detailed structural -aware information and local context information, respectively. Based on the re -constructed prior assumption, we propose a Collaborative Compensative Transformer Network (CCTNet) for the SOD task. CCTNet firstly alternates the computation within the same kind of vision tokens and among different vision tokens to build their dependencies. By this means, the relationship between multi -level global context and detailed structure representation can be explicitly modeled for consistent semantic and object structure understanding. Then, CCTNet performs feature joint decoding for SOD by fusing the complementary global context and detailed structure for locating objects with certain boundaries. Extensive experiments were conducted to validate the effectiveness of the proposed modules. Furthermore, the experiments on ten benchmark datasets demonstrated the state-of-the-art performance of CCTNet on both RGB and RGB-D SOD.

Keywords:

Salient object detection

Collaborative relation transformer

Collaborative embedding

Collaborative compensative transformer network for salient object detection

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