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Most of the methods used so far for road extraction are to extract the roads as poly-lines from remote sensing image, but in the high resolution image, the road always has the character of surface, so the extraction result should be parallel contour. In the paper, multi-resolution analysis, template matching theory, combining double-Snake model are used to extract the road from high resolution image...
Median filter was once the most popular nonlinear filter for removing impulse noise because of its good denoising power. In this paper, we present a novel adaptive fuzzy median filter to the restoration of salt & pepper impulse noise-corrupted image, which is particularly effective at removing highly impulsive noise. First we estimate noise level based on fussy set theory, then process the corrupted...
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