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A new method based on gray-natural logarithm ratio bilateral filtering is presented for image smoothing in this work.A new gray-natural logarithm ratio range filter kernel,leading to adaptive magnitude from image gray distinction information,is pointed out for the bilateral filtering.The new method can not only well restrain noise but also keep much more weak edges and details of an image,and preserve the original color transition of color images.Experimental results show the effectiveness for image denoising with our method.
A new method based on gray-natural logarithm ratio bilateral filtering is presented for image smoothing in this work. A new gray-natural logarithm ratio range filter kernel, leading to adaptive magnitude from image gray distinction information, is pointed out for the bilateral filtering. The new method can not only only well restrain noise but also keep much more weak edges and details of an image, and preserve the original color transition of color images. Experimental results show the effectiveness for image denoising with our method.