一种基于交叉聚焦线性注意力的红外和可见光图像融合方法

The image fusion method using cross-focusing linear attention solves the problems of long-distance dependence and insufficient cross-modal feature interaction in infrared and visible light image fusion, achieving efficient information preservation and detail enhancement, and is suitable for applications such as night vision, search and rescue, perimeter protection and intelligent transportation.

CN120976036BActive Publication Date: 2026-07-17KUNMING UNIV OF SCI & TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
KUNMING UNIV OF SCI & TECH
Filing Date
2025-08-02
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing infrared and visible light image fusion methods fail to effectively model long-range dependencies and cross-modal feature interactions, resulting in the loss of detailed information in the fused image.

Method used

An image fusion method based on cross-focusing linear attention is adopted, which includes a four-level encoder and decoder. Through bi-branch feature extraction, adaptive feature correction, cross-focusing linear attention fusion and frequency-aware feature aggregation, combined with a joint loss function optimization model, it achieves full interaction and information preservation of cross-modal features.

Benefits of technology

It significantly improves the visual quality and robustness of fused images, better preserves thermal targets and visible light details, enhances the semantic richness and contrast of images, and is suitable for applications such as night vision, search and rescue, perimeter protection, and intelligent transportation.

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Abstract

本发明涉及一种基于交叉聚焦线性注意力的红外和可见光图像融合方法,属于计算机视觉技术领域,包括:将红外和可见光图像分别输入四级编码器进行处理,包括双分支特征提取模块用于特征提取,将提取后的特征经过自适应特征矫正模块进行特征矫正,经过校正后的双分支特征经过交叉聚焦线性注意力融合模块进行特征融合得到四个阶段的多尺度特征;将多尺度特征输入解码器经过频率感知特征聚合,然后经过上采样恢复特征尺寸得到融合图像,结合所设计的联合损失函数训练图像融合网络。最终,结合特征矫正,交叉聚焦线性注意力融合模块以及频率感知特征聚合模块,能够得到含有丰富语义特征的融合图像,对下游任务具有重要的促进作用。
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