---
title: "RequestDescriptor.trackHomographicImageRegistrationRequest(_:)"
framework: vision
role: symbol
role_heading: Case
path: "vision/requestdescriptor/trackhomographicimageregistrationrequest(_:)"
---

# RequestDescriptor.trackHomographicImageRegistrationRequest(_:)

A descriptor that describes a track homographic image request.

## Declaration

```swift
case trackHomographicImageRegistrationRequest(TrackHomographicImageRegistrationRequest.Revision)
```

## See Also

### Getting the image alignment, feature print, and background removal descriptor

- [RequestDescriptor.trackTranslationalImageRegistrationRequest(_:)](vision/requestdescriptor/tracktranslationalimageregistrationrequest(_:).md)
- [RequestDescriptor.generateForegroundInstanceMaskRequest(_:)](vision/requestdescriptor/generateforegroundinstancemaskrequest(_:).md)
- [RequestDescriptor.generateImageFeaturePrintRequest(_:)](vision/requestdescriptor/generateimagefeatureprintrequest(_:).md)