---
title: exposure
framework: createml
role: symbol
role_heading: Type Property
path: createml/mlimageclassifier/imageaugmentationoptions/exposure
---

# exposure

An option for augmenting training data by lightening or darkening each image.

## Declaration

```swift
static let exposure: MLImageClassifier.ImageAugmentationOptions
```

## Discussion

Discussion Use this option to tell the image classifier to augment your training data set by creating darker or lighter versions of the original images.

The classifier creates four new images with random exposure variations for each original.

## See Also

### Selecting augmentation options

- [crop](createml/mlimageclassifier/imageaugmentationoptions/crop.md)
- [rotation](createml/mlimageclassifier/imageaugmentationoptions/rotation.md)
- [blur](createml/mlimageclassifier/imageaugmentationoptions/blur.md)
- [noise](createml/mlimageclassifier/imageaugmentationoptions/noise.md)
- [flip](createml/mlimageclassifier/imageaugmentationoptions/flip.md)