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Remote Sensing Image Enhancement via Robust Guided Filtering

机译:通过鲁棒的引导滤波进行遥感影像增强

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Remote sensing image enhancement methods have to preserve the original reflectance values as possible as they can, whereas emphasising the edges and increasing the contrast. In this study, a remote sensing image enhancement method based on robust guided filtering is proposed. We propose a multiscale decomposition with the robust guided filtering to obtain the approximation and detail layers of the image. Then the extracted details are amplified and added to the approximation layer to obtain the enhanced image. Both visual and quantitative comparisons show that the proposed method has a better preservation capability than the former methods, as well as a better contrast improvement along-with edge enhancement.
机译:遥感图像增强方法必须尽可能保留原始反射率值,同时强调边缘并增加对比度。本文提出了一种基于鲁棒引导滤波的遥感图像增强方法。我们提出了带有鲁棒引导滤波的多尺度分解,以获得图像的近似层和细节层。然后,将提取的细节放大并添加到逼近层中,以获得增强的图像。视觉和定量比较均表明,所提出的方法具有比以前的方法更好的保存能力,以及伴随边缘增强的更好的对比度改善。

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