arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2411.04697cs.CV
收藏

动态亮度自适应鲁棒多模态图像融合

Dynamic Brightness Adaptation for Robust Multi-modal Image Fusion

Tianjin University(天津大学);Haihe Lab of ITAI(海河人工智能与信息技术实验室)

Yiming Sun, Bing Cao, Pengfei Zhu, Qinghua Hu

AI总结:

针对可见光图像受亮度波动影响导致融合质量下降的问题,提出BA-Fusion框架,通过亮度自适应门控模块和亮度一致性损失,实现鲁棒的多模态图像融合,优于现有方法。

摘要:

红外与可见光图像融合旨在整合模态优势,生成视觉增强且信息丰富的图像。在真实场景中,可见光成像易受动态环境亮度波动的影响,导致纹理退化。现有融合方法对此类亮度扰动缺乏鲁棒性,严重损害了融合图像的视觉保真度。为解决这一挑战,我们提出了亮度自适应多模态动态融合框架(BA-Fusion),该框架能够在动态亮度波动下实现鲁棒图像融合。具体而言,我们引入了一个亮度自适应门控(BAG)模块,该模块设计用于从亮度相关通道动态选择特征进行归一化,同时保留源图像中与亮度无关的结构信息。此外,我们提出了一种亮度一致性损失函数来优化BAG模块。整个框架通过交替训练策略进行调优。大量实验验证了我们的方法在保留多模态图像信息和视觉保真度方面优于最先进的方法,并在不同亮度水平下表现出显著的鲁棒性。我们的代码可在 https://github.com/SunYM2020/BA-Fusion 获取。

英文摘要:

Infrared and visible image fusion aim to integrate modality strengths for visually enhanced, informative images. Visible imaging in real-world scenarios is susceptible to dynamic environmental brightness fluctuations, leading to texture degradation. Existing fusion methods lack robustness against such brightness perturbations, significantly compromising the visual fidelity of the fused imagery. To address this challenge, we propose the Brightness Adaptive multimodal dynamic fusion framework (BA-Fusion), which achieves robust image fusion despite dynamic brightness fluctuations. Specifically, we introduce a Brightness Adaptive Gate (BAG) module, which is designed to dynamically select features from brightness-related channels for normalization, while preserving brightness-independent structural information within the source images. Furthermore, we propose a brightness consistency loss function to optimize the BAG module. The entire framework is tuned via alternating training strategies. Extensive experiments validate that our method surpasses state-of-the-art methods in preserving multi-modal image information and visual fidelity, while exhibiting remarkable robustness across varying brightness levels. Our code is available: https://github.com/SunYM2020/BA-Fusion.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑