Sharpen Median Filter Bilateral Smoothing Filter

The sharpen filter has the effect of sharpening an image. It is a convolution that replaces each pixel with a weighted sum of the initial pixel value and its neighbors.

Sharpening can help enhance the edges of objects by improving the contrast of the image. The sharpen filter creates a crisp edge between light and dark parts of the image by darkening the dark pixels and lightening the light pixels. Sharpening cannot correct blurry or out of focus images.

OverviewObjectiveDeep Zoom

Filter Availability

Sharpen Filter (Before)


Sharpen Filter (After)


Whole Slide Images
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