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# MPSCNNDilatedPoolingMax

A dilated max pooling filter.

```
class MPSCNNDilatedPoolingMax
```

## Overview

For each pixel, returns the maximum value of pixels in the `kernelWidth * kernelHeight` filter region by step size `dilationFactorX` `*` `dilationFactorY`.

## Topics

### Initializers

[`-  initWithCoder:device:`](/documentation/MetalPerformanceShaders/MPSCNNDilatedPoolingMax/init(coder:device:))

Initializes a dilated max pooling filter.

[`-  initWithDevice:kernelWidth:kernelHeight:dilationRateX:dilationRateY:strideInPixelsX:strideInPixelsY:`](/documentation/MetalPerformanceShaders/MPSCNNDilatedPoolingMax/init(device:kernelWidth:kernelHeight:dilationRateX:dilationRateY:strideInPixelsX:strideInPixelsY:))

Initializes a dilated max pooling filter.

### Instance Properties

[`dilationRateX`](/documentation/MetalPerformanceShaders/MPSCNNDilatedPoolingMax/dilationRateX)

[`dilationRateY`](/documentation/MetalPerformanceShaders/MPSCNNDilatedPoolingMax/dilationRateY)

## Relationships

### Inherits From

[`MPSCNNPooling`](/documentation/MetalPerformanceShaders/MPSCNNPooling)

### Conforms To

[`Hashable`](/documentation/Swift/Hashable)

[`NSSecureCoding`](/documentation/Foundation/NSSecureCoding)

[`NSCoding`](/documentation/Foundation/NSCoding)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`Equatable`](/documentation/Swift/Equatable)

[`CVarArg`](/documentation/Swift/CVarArg)

[`NSCopying`](/documentation/Foundation/NSCopying)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

---

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