---
title: MPSImageCanny
framework: metalperformanceshaders
role: symbol
role_heading: Class
path: metalperformanceshaders/mpsimagecanny
---

# MPSImageCanny

## Declaration

```swift
class MPSImageCanny
```

## Topics

### Initializers

- [init(coder:device:)](metalperformanceshaders/mpsimagecanny/init(coder:device:).md)
- [init(device:)](metalperformanceshaders/mpsimagecanny/init(device:).md)
- [init(device:linearToGrayScaleTransform:sigma:)](metalperformanceshaders/mpsimagecanny/init(device:lineartograyscaletransform:sigma:).md)

### Instance Properties

- [colorTransform](metalperformanceshaders/mpsimagecanny/colortransform.md)
- [highThreshold](metalperformanceshaders/mpsimagecanny/highthreshold.md)
- [lowThreshold](metalperformanceshaders/mpsimagecanny/lowthreshold.md)
- [sigma](metalperformanceshaders/mpsimagecanny/sigma.md)
- [useFastMode](metalperformanceshaders/mpsimagecanny/usefastmode.md)

## Relationships

### Inherits From

- [MPSUnaryImageKernel](metalperformanceshaders/mpsunaryimagekernel.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCoding](foundation/nscoding.md)
- [NSCopying](foundation/nscopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [NSSecureCoding](foundation/nssecurecoding.md)