Bilateral Filtering for Gray and Color Images (1998)
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@INPROCEEDINGS{Tomasi98bilateralfiltering,
author = {C. Tomasi},
title = {Bilateral Filtering for Gray and Color Images},
booktitle = {},
year = {1998},
pages = {839--846}
}
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Abstract
tomasi @ cs.stanford.edu Bilateral filtering smooths images while preserving edges, by means of a nonlinear combination of nearby image values. The method is noniterative, local, and sim-ple. It combines gray levels or colors based on both their geometric closeness and their photometric similariv, and prefers near values to distant values in both domain and range. In contrast with filters that operate on the three bands of a color image separately, a bilateral filter can en-force the perceptual metric underlying the CIE-Lab color space, and smooth colors and preserve edges in a way that is tuned to human perception. Also, in contrast with standardjltering, bilateral filtering produces no phantom colors along edges in color images, and reduces phantom colors where they appear in the original image. 1
