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首页> 外文期刊>Geoscience and Remote Sensing Letters, IEEE >An Adaptive IHS Pan-Sharpening Method
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An Adaptive IHS Pan-Sharpening Method

机译:自适应IHS平移方法

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摘要

The goal of pan-sharpening is to fuse a low spatial resolution multispectral image with a higher resolution panchromatic image to obtain an image with high spectral and spatial resolution. The Intensity-Hue-Saturation (IHS) method is a popular pan-sharpening method used for its efficiency and high spatial resolution. However, the final image produced experiences spectral distortion. In this letter, we introduce two new modifications to improve the spectral quality of the image. First, we propose image-adaptive coefficients for IHS to obtain more accurate spectral resolution. Second, an edge-adaptive IHS method was proposed to enforce spectral fidelity away from the edges. Experimental results show that these two modifications improve spectral resolution compared to the original IHS and we propose an adaptive IHS that incorporates these two techniques. The adaptive IHS method produces images with higher spectral resolution while maintaining the high-quality spatial resolution of the original IHS.
机译:全景锐化的目的是将低空间分辨率多光谱图像与高分辨率全色图像融合,以获得具有高光谱和空间分辨率的图像。强度-色相饱和度(IHS)方法是一种流行的泛锐化方法,因为它具有很高的效率和较高的空间分辨率。但是,生成的最终图像会发生光谱失真。在这封信中,我们介绍了两个新的改进,以改善图像的光谱质量。首先,我们提出IHS的图像自适应系数,以获得更准确的光谱分辨率。其次,提出了一种边缘自适应的IHS方法,以增强远离边缘的频谱保真度。实验结果表明,与原始IHS相比,这两种修改可提高光谱分辨率,我们提出了一种结合了这两种技术的自适应IHS。自适应IHS方法可产生具有更高光谱分辨率的图像,同时保持原始IHS的高质量空间分辨率。

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