---
title: VNGenerateForegroundInstanceMaskRequest
framework: vision
role: symbol
role_heading: Class
path: vision/vngenerateforegroundinstancemaskrequest
---

# VNGenerateForegroundInstanceMaskRequest

A request that generates an instance mask of noticable objects to separate from the background.

## Declaration

```swift
class VNGenerateForegroundInstanceMaskRequest
```

## Topics

### Accessing the Results

- [results](vision/vngenerateforegroundinstancemaskrequest/results.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

### Image background removal

- [Applying visual effects to foreground subjects](vision/applying-visual-effects-to-foreground-subjects.md)
- [VNInstanceMaskObservation](vision/vninstancemaskobservation.md)
- [VNGenerateForegroundInstanceMaskRequestRevision1](vision/vngenerateforegroundinstancemaskrequestrevision1.md)