---
title: minimumSize
framework: vision
role: symbol
role_heading: Instance Property
path: vision/detectrectanglesrequest/minimumsize
---

# minimumSize

The minimum size of the rectangle detected as a proportion of the smallest dimension.

## Declaration

```swift
var minimumSize: Float
```

## Discussion

Discussion The property’s value defaults to 0.2, but you can set it to any value in the range [0.0, 1.0]. Any smaller rectangles that Vision may detect aren’t returned.

## See Also

### Configuring a request

- [maximumAspectRatio](vision/detectrectanglesrequest/maximumaspectratio.md)
- [maximumObservations](vision/detectrectanglesrequest/maximumobservations.md)
- [minimumAspectRatio](vision/detectrectanglesrequest/minimumaspectratio.md)
- [minimumConfidence](vision/detectrectanglesrequest/minimumconfidence.md)
- [quadratureToleranceDegrees](vision/detectrectanglesrequest/quadraturetolerancedegrees.md)