SGFNet:冗余减少的光谱空间融合网络用于高光谱图像分类
Boyu Wang1,2, Chi Cao1, Dexing Kong2
1Faculty of Innovation and Engineering, Macau University of Science and Technology, Taipa 999078, Macau.
Entropy (Basel, Switzerland)
|October 28, 2025
概括
通过减少光谱冗余和不确定性,SGFNet提高了高光谱图像分类 (HSIC). 这种光谱引导的融合网络提高了分析复杂的HSIC数据的准确性和效率.
科学领域:
- 遥感 遥感 遥感 遥感
- 计算机视觉 计算机视觉
- 信号处理 信号处理
背景情况:
- 超光谱图像分类 (HSIC) 面临着由于高维度,光谱冗余和空间噪声的挑战.
- 现有的深度学习模型经常与特征冗余性和缺乏光谱空间合性作斗争.
- 准确的HSIC需要有效地减少不确定性,并保留信息的光谱空间相互作用.
研究的目的:
- 为HSIC提出SGFNet,一个新的光谱导向融合网络.
- 从信息理论的角度来解决特征冗余和不确定性.
- 提高高光谱图像分类模型的效率和准确性.
主要方法:
- 开发了一种光谱感知过模块 (SAFM) 来抑制噪声和编码光谱.
- 引入了一个光谱空间自适应融合 (SSAF) 模块,以增强功能交互.
- 设计了一种光谱导向门CNN (SGGC),用于高效的空间表示提取.
主要成果:
- 在四个基准数据集上,SGFNet在多个指标上表现出卓越的表现.
- 拟议的网络始终优于八个最先进的HSIC模型.
- 广泛的实验验证了SGFNet光谱空间融合方法的有效性.
结论:
- 通过平衡减少冗余和信息保存,SGFNet为HSIC提供了高效和有效的解决方案.
- SGFNet的信息理论设计增强了超频谱数据的特征表示.
- 拟议的模块 (SAFM,SSAF,SGGC) 有助于提高HSIC准确性和模型效率.
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