Color Noise Suppression
Shooting with a good camera does not necessarily spare you from trouble with noise. If lighting is insufficient for the sensor you can often see color noise in your photos. Color (chroma) noise is perceived as random color dots spoiling the color accuracy of a snap-shot.
Below is a fragment of the image: on the left - before filtration, on the right - after the color noise suppression.
The following photo illustrates color noise.
If we scale up the image we will clearly see color noise. Do you see these color blots on the cat's hair?
Open the photo in AKVIS Noise Buster.
Auto Filtering will be applied automatically.
The result of the filtration will be shown in the Before tab
in the preview area. To evaluate the accuracy of filtering, you
can drag the preview frame to see any other part of the photo processed,
or just draw the preview area anew on any part of the image.
As a result the color noise is completely suppressed.
Now we can also see some luminance noise. It's up to you to decide to reduce
it or not. You can suppress it a little bit by moving the slider of Luminance
Noise Level from 10 to 35 and increasing Microdetail to 100.
To apply the filtration settings to the whole image press
the  button.
To save the result press the  button.
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— Color Noise Suppression