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The blur filters are used to smoothen out the hard edges and details in the images. The resulting image is blurry. below is an example of a blurred image. The image of Kiki on right is the result of blur filter applied to the image on left.

../../_images/Blur.png

There are many different filters for blurring:

Gaussian Blur

You can input the horizontal and vertical radius for the amount of blurring here.

../../_images/Gaussian-blur.png

Motion Blur

Doesn’t only blur, but also subtly smudge an image into a direction of the specified angle thus giving a feel of motion to the image. This filter is often used to create effects of fast moving objects.

../../_images/Motion-blur.png

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This filter creates a regular blur.

../../_images/Blur-filter.png

Lens Blur

Lens Blur Algorithm.

../../_images/Lens-blur-filter.png