---
title: VNGenerateAttentionBasedSaliencyImageRequest
framework: vision
role: symbol
role_heading: Class
path: vision/vngenerateattentionbasedsaliencyimagerequest
---

# VNGenerateAttentionBasedSaliencyImageRequest

An object that produces a heat map that identifies the parts of an image most likely to draw attention.

## Declaration

```swift
class VNGenerateAttentionBasedSaliencyImageRequest
```

## Topics

### Accessing the Results

- [results](vision/vngenerateattentionbasedsaliencyimagerequest/results.md)

### Identifying Request Revisions

- [VNGenerateAttentionBasedSaliencyImageRequestRevision1](vision/vngenerateattentionbasedsaliencyimagerequestrevision1.md)

## Relationships

### Inherits From

- [VNImageBasedRequest](vision/vnimagebasedrequest.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCopying](foundation/nscopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Saliency analysis

- [Cropping Images Using Saliency](vision/cropping-images-using-saliency.md)
- [Highlighting Areas of Interest in an Image Using Saliency](vision/highlighting-areas-of-interest-in-an-image-using-saliency.md)
- [VNGenerateObjectnessBasedSaliencyImageRequest](vision/vngenerateobjectnessbasedsaliencyimagerequest.md)
- [VNSaliencyImageObservation](vision/vnsaliencyimageobservation.md)