---
title: CIDetectorMinFeatureSize
framework: coreimage
role: symbol
role_heading: Global Variable
path: coreimage/cidetectorminfeaturesize
---

# CIDetectorMinFeatureSize

A key used to specify the minimum size that the detector will recognize as a feature.

## Declaration

```swift
let CIDetectorMinFeatureSize: String
```

## Discussion

Discussion The value for this key is an NSNumber object ranging from 0.0 through 1.0 that represents a fraction of the minor dimension of the image.

## See Also

### Constants

- [CIDetectorAccuracy](coreimage/cidetectoraccuracy.md)
- [CIDetectorTracking](coreimage/cidetectortracking.md)
- [CIDetectorNumberOfAngles](coreimage/cidetectornumberofangles.md)
- [CIDetectorMaxFeatureCount](coreimage/cidetectormaxfeaturecount.md)