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Strange graphical effects with the "H.S.V. Blur" filter...

Normal blur effects spread all the components of a pixel's color around the image. The HSV blur effect though allows you to control the three components of a color indiviudally:

  • H = Hue, or color. For example red, pink and brown all have a red hue. Grey, white and black do not have hue.
  • S = Saturation or purity. In the above examples red is a pure color with high saturation, while pink and brown have low saturation.
  • V = Value, or strength or brightness. Red has a medium value, brown has a low value, pink has a high value.

These two pictures will illustrate the ideas better maybe:

I've used red and blue to illustrate what HSV means, but any base color has the same properties, for example green, yellow or orange.

So if we blur the components independently what sort of images can we get?

In the above example only the hue component has been blurred. As you can see, the red of the child's coat has spread to other areas of the photograph. In the example below the color and the value parts of the image have been blurred:

The dialog box is quite simple:

Here is one last example, a sort of "Old Polaroid" effect:

Old Polaroid Effect

More examples of Blur and HSV Blur


How to create a sepia vignette from a normal photograph
Sepia Vignette Effect

How to apply Artistic Effects easily and simply to your images

How to create a pencil sketch from your photograph
Rough Sketch Effect

Paint Effects

Blue China Effect

Duotone EffectHow to make a duotone image

Roy Lichtensten Effect


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