一种基于小波变换与Mamba的双域融合全色锐化方法及系统

By employing a dual-domain fusion method combining wavelet transform and Mamba, the problems of spectral distortion and insufficient spatial detail in panchromatic sharpening are solved, achieving efficient and stable spectral consistency and detail clarity, which is suitable for global modeling of high-resolution remote sensing images.

CN121582099BActive Publication Date: 2026-07-17JIANGSU OCEAN UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JIANGSU OCEAN UNIV
Filing Date
2025-11-10
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing panchromatic sharpening methods tend to introduce spectral distortion when enhancing spatial details. Traditional methods are difficult to build robust optimizations for complex scenes, while deep learning methods have high computational overhead and loose cross-modal coupling, making it difficult to achieve efficient global modeling.

Method used

A dual-domain fusion method combining wavelet transform and Mamba is adopted. Through decomposition and feature extraction in the frequency and spatial domains, combined with high-frequency detail residual injection and upsampling, cross-modal feature fusion is achieved. Furthermore, Mamba interactive modeling and channel attention reconstruction are used to ensure spectral consistency and detail clarity.

Benefits of technology

It significantly reduces spectral distortion, preserves spatial details, improves spectral consistency, and achieves efficient global modeling. It is suitable for the computational efficiency and deployment cost of high-resolution remote sensing images, has strong multi-scale representation capabilities, and is stable in training and convergence.

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Abstract

本发明公开了一种基于小波变换与Mamba的双域融合全色锐化方法及系统,涉及图像处理技术领域,该方法在频域分支采用两级小波分解获取低频主体与高频细节并供注入;在空间域分支设置空间Mamba与光谱Mamba双路径,通过交互Mamba实现空谱信息深度融合;配合渐进式融合上采样与通道注意力重建,最终输出高分辨率多光谱影像。系统包含数据对齐、特征提取、频域分解、Mamba交互、融合上采样与重建等模块。在QuickBird与IKONOS数据集上,所提方法在主观视觉与MS‑SSIM、PSNR、SAM等客观指标上优于对比方法,且推理效率高、部署友好。
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