journal article·2025-05-26Open access

Panchromatic and Hyperspectral Image Fusion Using Ratio Residual Attention Networks

Fengxiang Xu, Nan Zhang, Zhenxiang Chen, Peiran Peng, Tingfa Xu

Applied Sciences· Volume 15· Issue 11

Abstract

Hyperspectral remote sensing images provide rich spectral information about land surface features and are widely used in fields such as environmental monitoring, disaster assessment, and land classification. However, effectively leveraging the spectral information in hyperspectral images remains a significant challenge. In this paper, we propose a hyperspectral pansharpening method based on ratio transformation and residual networks, which significantly enhances both spatial details and spectral fidelity. The method generates an initial image through ratio transformation and refines it using a residual attention network. Additionally, specialized loss functions are designed to preserve both spatial and spectral details. Experimental results demonstrate that, when evaluated on the EO-1 and Chikusei datasets, the proposed method outperforms other methods in terms of both visual quality and quantitative metrics, particularly in spatial detail clarity and spectral fidelity. This approach effectively addresses the limitations of existing technologies and shows great potential for high-resolution remote sensing image processing applications.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Advanced Image Fusion Techniques · Remote-Sensing Image Classification · Infrared Target Detection Methodologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China

School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China

Funding

the Natural Science Foundation of Chongqing

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