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Substance, Filters/Effects: Median Filter (Color and Grayscale)

Setting the Radius value in the Median filter's dialog box in Photoshop.

Lena median filter

Using the Median Filter - Before and After Image

Removing impulse noise from the Lenna image using the median filter. Peak signal-to-noise ratio calculated using provided MATLAB function psnr .m, which is based on formula given in the text, (a) Original image, (b) Lenna with 40% additive impulse noise, (c) Processed image using 3x3 median filter, (d) Processed image using 5x5 median filter.

This is a nifty breakdown of a Temporal Median Filter procedure I developed for…

What is GIMP's equivalent of Photoshop's Median filter?

Apply median filter

The Spectral Median Filter: A Tilt Filter in a Servo Loop (tilting suzanne vega)

The fastest way to clean backgrounds in Photoshop is by using Photoshop's Filters. We found that the Median filter works very well and saves a ton of time. Go to Filter -> Noise -> Median and choose a radius that will make all the dirt vanish.