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# CINoiseReduction

The properties you use to configure a noise reduction filter.

```
protocol CINoiseReduction : CIFilterProtocol
```

## Topics

### Instance Properties

[`inputImage`](/documentation/CoreImage/CINoiseReduction/inputImage)

The image to use as an input image.

[`noiseLevel`](/documentation/CoreImage/CINoiseReduction/noiseLevel)

The amount of noise reduction.

[`sharpness`](/documentation/CoreImage/CINoiseReduction/sharpness)

The sharpness of the final image.

## See Also

[`noiseReduction()`](/documentation/CoreImage/CIFilter-swift.class/noiseReduction())

Reduces noise by sharpening the edges of objects.


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