## Invert() {#invert}

Automatically inverts colors in a document image.

```csharp
public static PreprocessingFilter Invert()
```

### Return Value

InvertFilter object.

### See Also

* class [PreprocessingFilter](../../preprocessingfilter)
* namespace [Aspose.OCR.Models.PreprocessingFilters](../../preprocessingfilter)
* assembly [Aspose.OCR](../../../)

---

## Invert(Rectangle) {#invert_1}

Automatically inverts colors in a part of the image.

```csharp
public static PreprocessingFilter Invert(Rectangle area)
```

| Parameter | Type | Description |
| --- | --- | --- |
| area | Rectangle | Coordinates of the part of the image to be corrected. |

### Return Value

InvertFilter object.

### See Also

* class [PreprocessingFilter](../../preprocessingfilter)
* namespace [Aspose.OCR.Models.PreprocessingFilters](../../preprocessingfilter)
* assembly [Aspose.OCR](../../../)

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