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Applied Research of Wavelet Transform Fusion in Land-Use Monitoring Survey of Urban Fringe

机译:小波变换融合在城市边缘区土地利用监测中的应用研究

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Image fusion is a very useful technique of obtaining high-resolution multi-spectral images from low spatial resolution multi-spectral and high-resolution panchromatic images. Nowadays many fusion techniques are available. However, those conventional fusion techniques existed also some shortcomings, which could not keep balance for preserving spectral information very well in a fused image with high-resolution spatial information. Hence, in this research a recent and efficient technique of fusion based on wavelet transformation was applied. The results presented the wavelet transform method is proved to be the best option for visual appreciation, preserving most 93% of the spectral information content, and as well improving the interpretability of low-resolution multi-spectral image classification. Meanwhile the results also further show the application potentiality of fusion technique based on wavelet transform for improving urban land classes in urban fringe.
机译:图像融合是从低空间分辨率多光谱图像和高分辨率全色图像中获得高分辨率多光谱图像的非常有用的技术。如今,可以使用许多融合技术。然而,那些常规的融合技术也存在一些缺点,在具有高分辨率空间信息的融合图像中,不能很好地保持光谱信息的平衡。因此,在这项研究中,应用了一种基于小波变换的最新有效融合技术。结果表明,小波变换方法被证明是视觉欣赏的最佳选择,可以保留最多93%的光谱信息内容,并提高了低分辨率多光谱图像分类的可解释性。同时,结果还进一步表明了基于小波变换的融合技术在改善城市边缘地带中的应用潜力。

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