Frequency and Edge-Guided Segment Anything Model for Remote Sensing Image Semantic Segmentation

• URL: http://arxiv.org/abs/2608.15054v1
• Date: Sat, 15 Aug 2026 05:55:41 GMT
• Title: Frequency and Edge-Guided Segment Anything Model for Remote Sensing Image Semantic Segmentation
• Abstract summary: Segment Anything Model (SAM) offers strong segmentation performance and generalization capabilities for RSISS tasks.<n>FE-SAM is a scalable and efficient framework for RSISS.<n>Experiments on three benchmark datasets demonstrate that FE-SAM outperforms state-of-the-art methods.
• Score: 39.9598566181483
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Remote sensing image semantic segmentation (RSISS) has attracted significant attention due to the growing demand for fine-grained land cover information. The Segment Anything Model (SAM), proposed as a foundation vision model, offers strong segmentation performance and generalization capabilities for RSISS tasks. However, existing SAM-based approaches face two limitations: (1) Insufficient adaptation of SAM's features to the diverse characteristics of land cover types. (2) Semantic ambiguity at object boundaries, which hinders accurate delineation. To address these limitations, we propose Frequency and Edge-guided SAM (FE-SAM), a scalable and efficient framework for RSISS. Specifically, we introduce a Frequency-Modulated Adapter (FMA) that adaptively decomposes and modulates frequency-domain features based on the input data. It selectively enhances informative high- and low-frequency components corresponding to different land cover types. Furthermore, to improve SAM's ability to capture fine-grained details, we design EGRefiner, which integrates multi-scale edge-enhanced information extracted from the input image. Extensive experiments on three benchmark datasets demonstrate that FE-SAM outperforms state-of-the-art methods. The source codes are available at: https://github.com/oucailab/FE-SAM.

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