> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abbyy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# RemoveNoise Method of the ImageDocument Object

This method reduces the noise on the image. It allows you to specify the model of the expected noise: see [NoiseModelEnum](/fine-reader/engine/api-reference/enumerations/noisemodelenum) for the description of available noise models.

<Warning>
  This method can be used for color and 8-bit gray images only.
</Warning>

## Syntax

### C++

```cpp theme={null}
HRESULT RemoveNoise(
  NoiseModelEnum NoiseModel,
  VARIANT_BOOL   HasLargeCharacters
);
```

### C\#

```csharp theme={null}
void RemoveNoise(
  NoiseModelEnum NoiseModel,
  bool           HasLargeCharacters
);
```

### Visual Basic .NET

```vb theme={null}
Sub RemoveNoise( _
  NoiseModel As NoiseModelEnum, _
  HasLargeCharacters As Boolean _
)
```

## Parameters

**NoiseModel**

\[in] Specifies the type of the noise. It can be either white noise, or correlated noise. See details in the description of the [NoiseModelEnum](/fine-reader/engine/api-reference/enumerations/noisemodelenum) constants.

**HasLargeCharacters**

\[in] Specifies whether the characters on the image are bigger than 30 pixels.

## Return values

This method has no specific return values. It returns the [standard return values of ABBYY FineReader Engine functions](/fine-reader/engine/api-reference/return-codes).

## See also

[ImageDocument](/fine-reader/engine/api-reference/image-related-objects/imagedocument)