Denoise Filter for Affinity Photo Tutorial

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By Andrew Buckle, Updated : 2021

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How to use the Denoise filter in Affinity Photo for Smoothing effects and more.


1. Where is the Denoise filter

The denoise filter for Affinity Photo can be found in the noise category in the filters menu.


2. Denoise filter settings

The denoise filter has a number of options to manipulate the noise in the image. The panel is split into two sets, the luminance and noise as well as the color and noise. If the image has a lot of color noise then you can use the color settings at the max and keep the luminance ones low, or vica versa.


3. Denoise filter can be used on shapes etc

You can use the filter with images as well as type and also presets such as brushes and shapes / shape tools and fonts / EPS shape sets and patterns and much more. The result depends on how much noise there is with the type or shape and as they maybe added as a solid color there may be little need for the smoothing effects of this filter.

4. macros

The great thing about Affinity Photo as with many apps, is that you can store a set of steps by recording and this is done in the macro panel (view menu) in Affinity Photo and you can combine the denoise filter along with other powerful filter effects such as deform filter and mirror filter / symmetry in Affinity Photo and the macro can be re-applied over and over to create amazing designs including repeat applies of the effect. The effect ends up becoming quite extreme and surreal if applied 20 or 30 times to any image and the macro feature really makes it very easy to apply the effect over and over again without the need for shortcuts etc

5. layers

All the filters work amazing well on layers and you can use the denoise filter on a layer (with a shape or perhaps the same image as below or perhaps a scaled form of the image) and the denoise filter can be applied and the layer can then be quickly blended with the background layer using a whole range of blending modes in Affinity Photo. Also, layers are super useful as if the denoise filter effect doesn't look great later on then you can always just remove the layer and start again without any destructive effect on the image.

6. Color channels

You can also use the feature with a noisy image in a particular channel. Say the image you have is very noisy in the red and not much in any of the other channels. Go to the view menu and studio and channels and select that channel, say the red channel, and then apply the color and luminance settings to that channel alone and then reset back to the full RGB etc

7. Selections

You don't have to apply the effect to the entire image, you can use selections such as the freehand selection and select say some lips or eyes etc if they are particularly noisy and then apply the luminance and color contributions depending on the image. You can also then go to another selection and then apply the effect again to that.