SDS-Net: Shallow-Deep Synergism-detection Network for infrared small target detection

• URL: http://arxiv.org/abs/2506.06042v1
• Date: Fri, 06 Jun 2025 12:44:41 GMT
• Title: SDS-Net: Shallow-Deep Synergism-detection Network for infrared small target detection
• Authors: Taoran Yue, Xiaojin Lu, Jiaxi Cai, Yuanping Chen, Shibing Chu,
• Abstract summary: Current CNN-based infrared small target detection methods overlook the heterogeneity between shallow and deep features.<n>The dependency relationships and fusion mechanisms fail to fully exploit the complementarity of multilevel features.<n>This paper proposes a shallow-deep synergistic detection network (SDS-Net) that efficiently models multilevel feature representations.
• Score: 0.18641315013048293
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Current CNN-based infrared small target detection(IRSTD) methods generally overlook the heterogeneity between shallow and deep features, leading to inefficient collaboration between shallow fine grained structural information and deep high-level semantic representations. Additionally, the dependency relationships and fusion mechanisms across different feature hierarchies lack systematic modeling, which fails to fully exploit the complementarity of multilevel features. These limitations hinder IRSTD performance while incurring substantial computational costs. To address these challenges, this paper proposes a shallow-deep synergistic detection network (SDS-Net) that efficiently models multilevel feature representations to increase both the detection accuracy and computational efficiency in IRSTD tasks. SDS-Net introduces a dual-branch architecture that separately models the structural characteristics and semantic properties of features, effectively preserving shallow spatial details while capturing deep semantic representations, thereby achieving high-precision detection with significantly improved inference speed. Furthermore, the network incorporates an adaptive feature fusion module to dynamically model cross-layer feature correlations, enhancing overall feature collaboration and representation capability. Comprehensive experiments on three public datasets (NUAA-SIRST, NUDT-SIRST, and IRSTD-1K) demonstrate that SDS-Net outperforms state-of-the-art IRSTD methods while maintaining low computational complexity and high inference efficiency, showing superior detection performance and broad application prospects. Our code will be made public at https://github.com/PhysiLearn/SDS-Net.

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