arXiv:2506.12836cs.CV2025-06中稿 · IEEE IGARSS 2025被引 3

融合卷积与记忆机制,提升遥感变化检测精度

HyRet-Change: A hybrid retentive network for remote sensing change detection

  • 采用并行卷积与多头记忆模块捕捉互补特征
  • 自适应交互机制提升对细微变化的识别能力
  • 适用于复杂场景下的高精度遥感变化检测

近期基于卷积和变换器的变化检测方法表现优异。然而,局部与全局依赖关系如何协同以缓解伪变化仍不明确。直接使用标准自注意力存在固有局限:全局特征表示受限、计算复杂度为二次方、训练并行性差。为此,我们提出一种基于孪生网络的框架 HyRet-Change,可在多尺度特征中无缝融合卷积与记忆机制,保留关键信息并增强复杂场景适应性。具体地,引入新型特征差分模块,以并行方式结合卷积与多头记忆机制,捕获互补信息;同时设计自适应局部-全局交互上下文感知机制,通过信息交换实现相互学习,提升判别能力。在三个具有挑战性的变化检测数据集上实验,性能优于现有方法。代码已开源。

原文摘要 · Abstract (English)

Recently convolution and transformer-based change detection (CD) methods provide promising performance. However, it remains unclear how the local and global dependencies interact to effectively alleviate the pseudo changes. Moreover, directly utilizing standard self-attention presents intrinsic limitations including governing global feature representations limit to capture subtle changes, quadratic complexity, and restricted training parallelism. To address these limitations, we propose a Siamese-based framework, called HyRet-Change, which can seamlessly integrate the merits of convolution and retention mechanisms at multi-scale features to preserve critical information and enhance adaptability in complex scenes. Specifically, we introduce a novel feature difference module to exploit both convolutions and multi-head retention mechanisms in a parallel manner to capture complementary information. Furthermore, we propose an adaptive local-global interactive context awareness mechanism that enables mutual learning and enhances discrimination capability through information exchange. We perform experiments on three challenging CD datasets and achieve state-of-the-art performance compared to existing methods. Our source code is publicly available at https://github.com/mustansarfiaz/HyRect-Change.

遥感变化检测混合模型注意力机制

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