---
title: objectMinimumNormalizedRadius
framework: vision
role: symbol
role_heading: Instance Property
path: vision/detecttrajectoriesrequest/objectminimumnormalizedradius
---

# objectMinimumNormalizedRadius

The minimum radius of the bounding circle of the object to track.

## Declaration

```swift
final var objectMinimumNormalizedRadius: Float { get set }
```

## See Also

### Configuring a request

- [objectMaximumNormalizedRadius](vision/detecttrajectoriesrequest/objectmaximumnormalizedradius.md)
- [targetFrameTime](vision/detecttrajectoriesrequest/targetframetime.md)
- [trajectoryLength](vision/detecttrajectoriesrequest/trajectorylength.md)