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图学学报 ›› 2026, Vol. 47 ›› Issue (3): 543-552.DOI: 10.11996/JG.j.2095-302X.2026030543

• 图像处理与计算机视觉 • 上一篇    下一篇

适配器微调SAM与低频融合的遥感图像语义分割

李景涛1,2, 封筠1,2(), 赵志宏1,2   

  1. 1 石家庄铁道大学信息科学与技术学院河北 石家庄 050043
    2 河北省电磁环境效应与信息处理重点实验室河北 石家庄 050043
  • 收稿日期:2025-10-16 接受日期:2026-02-06 出版日期:2026-06-30 发布日期:2026-06-30
  • 通讯作者:封筠,E-mail:fengjun@stdu.edu.cn
  • 基金资助:
    河北省自然科学基金(F2024210005);石家庄市市级科技计划资助(2512100201A);中国铁路南宁局集团有限公司科研计划项目(工25-2)

Adapter fine-tuning SAM and low-frequency fusion for semantic segmentation of remote sensing images

LI Jingtao1,2, FENG Jun1,2(), ZHAO Zhihong1,2   

  1. 1 School of Information Science and Technology, Shijiazhuang Tiedao University, Shijiazhuang Hebei 050043, China
    2 Hebei Key Laboratory of Electromagnetic Environmental Effects and Information Processing, Shijiazhuang Hebei 050043, China
  • Received:2025-10-16 Accepted:2026-02-06 Published:2026-06-30 Online:2026-06-30
  • Contact: FENG Jun,E-mail:fengjun@stdu.edu.cn
  • Supported by:
    Natural Science Foundation of Hebei Province(F2024210005);Science and Technology Program of Shijiazhuang(2512100201A);Scientific Research Plan Project of China Railway Nanning Bureau Group Co., Ltd.(G25-2)

摘要:

针对现有多模态遥感图像语义分割模型具有小目标分割精度低,跨模态特征提取不充分及融合效果不理想的问题,提出一种基于适配器优化和低频信息提取与融合的双分支多模态网络SAMLoF。通过联合适配器结构,高效微调分割一切模型的图像编码器参数,以使模型在保持通用能力的基础上,学习遥感领域的特定知识;对于不同模态图像设计特定的低频信息输入模块,通过快速傅里叶变换为模型提供更多大尺度环境结构与上下文信息;利用基于注意力的高效特征融合模块,促进不同模态特征中相关信息的充分融合。在Vaihingen和Potsdam数据集上与15种方法进行评估比较,SAMLoF的mF1与mIoU指标均达到最优值,结果表明SAMLoF可有效提取并融合遥感图像中的不同模态特征,尤其能为复杂小目标物体生成精确且平滑的边界轮廓。

关键词: 遥感图像语义分割, 分割一切模型, 适配器微调, 低频信息, 特征融合

Abstract:

To address the problems of low small-target segmentation accuracy, insufficient cross-modal feature extraction and unsatisfactory fusion effect in multimodal remote sensing image semantic segmentation models, a dual-branch multimodal network Segment Anything Model Low-Frequency Fusion (SAMLoF), based on adapter optimization and low-frequency information extraction and fusion was proposed. By efficiently fine-tuning the parameters of the Segment Anything Model image encoder through the proposed joint adapter structure, the model could learn specific knowledge in the field of remote sensing while maintaining its general capabilities. The specific low-frequency information input modules for different modal images were designed to provide more large-scale environmental structures and contextual information for the model through the Fast Fourier Transform. An efficient feature fusion module based on attention was proposed to promote the full fusion of relevant information in different modal features. SAMLoF was evaluated and compared with 15 methods on the Vaihingen and Potsdam datasets. Both mF1 and mIoU metrics of SAMLoF reached the optimal values. The results showed that SAMLoF could effectively extract and fuse different modal features in remote sensing images, especially generating accurate and smooth boundary contours for complex small target objects.

Key words: semantic segmentation of remote sensing images, segment anything model, adapter fine-tuning low-frequency information, feature fusion

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