---
title: gaussianSigma
framework: coreimage
role: symbol
role_heading: Instance Property
path: coreimage/cicannyedgedetector/gaussiansigma
---

# gaussianSigma

## Declaration

```swift
var gaussianSigma: Float { get set }
```

## See Also

### Instance Properties

- [hysteresisPasses](coreimage/cicannyedgedetector/hysteresispasses.md)
- [inputImage](coreimage/cicannyedgedetector/inputimage.md)
- [perceptual](coreimage/cicannyedgedetector/perceptual.md)
- [thresholdHigh](coreimage/cicannyedgedetector/thresholdhigh.md)
- [thresholdLow](coreimage/cicannyedgedetector/thresholdlow.md)