```{index} single: Filters; ITK Invert Intensity Image Filter
```
# ITK Invert Intensity Image Filter

Invert the intensity of an image.

## Group (Subgroup)

ITKImageIntensity (ImageIntensity)

## Description

InvertIntensityImageFilter inverts intensity of pixels by subtracting pixel value to a maximum value. The maximum value can be set with SetMaximum and defaults the maximum of input pixel type. This filter can be used to invert, for example, a binary image, a distance map, etc.

### Author

 Gaetan Lehmann. Biologie du Developpement et de la Reproduction, INRA de Jouy-en-Josas, France.

### Related Filters

- IntensityWindowingImageFilter ShiftScaleImageFilter

![](Images/ITKInvertIntensityImageFilter.png)


### Input Parameter(s)

| Parameter Name | Parameter Type | Parameter Notes | Description |
|----------------|----------------|-----------------|-------------|
| Maximum | Scalar Value |Float64 | Set/Get the maximum intensity value for the inversion. |

### Input Cell Data

| Parameter Name | Parameter Type | Parameter Notes | Description |
|----------------|----------------|-----------------|-------------|
| Image Geometry | Geometry Selection | Image | Select the Image Geometry Group from the DataStructure. |
| Input Cell Data | Array Selection | Allowed Types: int8, uint8, int16, uint16, int32, uint32, int64, uint64, float32, float64 | The image data that will be processed by this filter. |

### Output Cell Data

| Parameter Name | Parameter Type | Parameter Notes | Description |
|----------------|----------------|-----------------|-------------|
| Output Cell Data | DataObjectName |  | The result of the processing will be stored in this Data Array inside the same group as the input data. |

## Example Pipelines

## License & Copyright

Please see the description file distributed with this plugin.

## DREAM3D-NX Help

If you need help, need to file a bug report or want to request a new feature, please head over to the [DREAM3DNX-Issues](https://github.com/BlueQuartzSoftware/DREAM3DNX-Issues/discussions) GitHub site where the community of DREAM3D-NX users can help answer your questions.