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Bilateral filter
Image processing algorithm
A bilateral filter is a non-linear, edge-preserving, and noise-reducing smoothing filter for images. It replaces the intensity of each pixel with a weighted average of intensity values from nearby pixels. This weight can be based on a Gaussian distribution.
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Texto em inglês Ainda não há artigo no seu idioma: trecho em inglês.
A bilateral filter is a non-linear, edge-preserving, and noise-reducing smoothing filter for images. It replaces the intensity of each pixel with a weighted average of intensity values from nearby pixels. This weight can be based on a Gaussian distribution. Crucially, the weights depend not only on Euclidean distance of pixels, but also on the radiometric differences (e.g., variations in color intensity or depth). This dual dependency preserves sharp edges while suppressing noise.
Texto: Wikipédia em inglês, CC BY-SA 4.0. · Imagem: U.S. National Park Service / Phrood (Public domain) ·
