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Filter Manager Gaussian Sharpen Filter
Filter Manager

Information in this article applies to:

  • uScope Navigator (All Versions)

Article ID: NFL1048 — Created: 5 May 2017 — Reviewed: 13 Dec 2020

Question

What does the Gaussian Sharpen filter do?

Answer

The Gaussian sharpen filter has the effect of sharpening an image. It is a convolution that uses a Gaussian kernel to sharpen the image pixels by using information from each pixel's neighbors.

Gaussian Sharpen Filter — Before
Gaussian Sharpen Filter — Before

Gaussian Sharpen Filter — After
Gaussian Sharpen Filter — After

You can specify the kernel size (the height and width of the array of pixels to consider) and the Sigma (the standard deviation for the Gaussian function used the calculate the kernel).

Gaussian sharpening can have a dramatic effect on the apparent clarity of the resulting image. However, it can also introduce artifacts that are apparent only at high levels of magnification. Sharpening cannot correct blurry or out of focus images.

Note
This filter is available only for Deep Zoom filter sequences.

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