mpscnnpooling(3) [mojave man page]
MPSCNNPooling(3) MetalPerformanceShaders.framework MPSCNNPooling(3) NAME
MPSCNNPooling SYNOPSIS
#import <MPSCNNPooling.h> Inherits MPSCNNKernel. Inherited by MPSCNNDilatedPoolingMax, MPSCNNPoolingAverage, MPSCNNPoolingL2Norm, and MPSCNNPoolingMax. Instance Methods (nonnull instancetype) - initWithDevice:kernelWidth:kernelHeight: (nonnull instancetype) - initWithDevice:kernelWidth:kernelHeight:strideInPixelsX:strideInPixelsY: (nullable instancetype) - initWithCoder:device: (nonnull instancetype) - initWithDevice: Additional Inherited Members Detailed Description This depends on Metal.framework Pooling is a form of non-linear sub-sampling. Pooling partitions the input image into a set of rectangles (overlapping or non-overlapping) and, for each such sub-region, outputs a value. The pooling operation is used in computer vision to reduce the dimensionality of intermediate representations. Method Documentation - (nullable instancetype) initWithCoder: (NSCoder *__nonnull) aDecoder(nonnull id< MTLDevice >) device NSSecureCoding compatability See MPSKernel::initWithCoder. Parameters: aDecoder The NSCoder subclass with your serialized MPSCNNPooling device The MTLDevice on which to make the MPSCNNPooling Returns: A new MPSCNNPooling object, or nil if failure. Reimplemented from MPSCNNKernel. Reimplemented in MPSCNNDilatedPoolingMax, MPSCNNPoolingAverage, MPSCNNPoolingL2Norm, and MPSCNNPoolingMax. - (nonnull instancetype) initWithDevice: (nonnull id< MTLDevice >) device Standard init with default properties per filter type Parameters: device The device that the filter will be used on. May not be NULL. Returns: A pointer to the newly initialized object. This will fail, returning nil if the device is not supported. Devices must be MTLFeatureSet_iOS_GPUFamily2_v1 or later. Reimplemented from MPSCNNKernel. - (nonnull instancetype) initWithDevice: (nonnull id< MTLDevice >) device(NSUInteger) kernelWidth(NSUInteger) kernelHeight Initialize a pooling filter Parameters: device The device the filter will run on kernelWidth The width of the kernel. Can be an odd or even value. kernelHeight The height of the kernel. Can be an odd or even value. Returns: A valid MPSCNNPooling object or nil, if failure. - (nonnull instancetype) initWithDevice: (nonnull id< MTLDevice >) device(NSUInteger) kernelWidth(NSUInteger) kernelHeight(NSUInteger) strideInPixelsX(NSUInteger) strideInPixelsY Initialize a pooling filter Parameters: device The device the filter will run on kernelWidth The width of the kernel. Can be an odd or even value. kernelHeight The height of the kernel. Can be an odd or even value. strideInPixelsX The output stride (downsampling factor) in the x dimension. strideInPixelsY The output stride (downsampling factor) in the y dimension. Returns: A valid MPSCNNPooling object or nil, if failure. Reimplemented in MPSCNNPoolingAverage, MPSCNNPoolingL2Norm, and MPSCNNPoolingMax. Author Generated automatically by Doxygen for MetalPerformanceShaders.framework from the source code. Version MetalPerformanceShaders-100 Thu Feb 8 2018 MPSCNNPooling(3)
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MPSCNNPoolingNode(3) MetalPerformanceShaders.framework MPSCNNPoolingNode(3) NAME
MPSCNNPoolingNode SYNOPSIS
#import <MPSNNGraphNodes.h> Inherits MPSNNFilterNode. Inherited by MPSCNNPoolingAverageNode, MPSCNNPoolingL2NormNode, and MPSCNNPoolingMaxNode. Instance Methods (nonnull instancetype) - initWithSource:kernelWidth:kernelHeight:strideInPixelsX:strideInPixelsY: (nonnull instancetype) - initWithSource:filterSize:stride: (nonnull instancetype) - initWithSource:filterSize: Class Methods (nonnull instancetype) + nodeWithSource:filterSize: (nonnull instancetype) + nodeWithSource:filterSize:stride: Additional Inherited Members Detailed Description A node for a MPSCNNPooling kernel This is an abstract base class that does not correspond with any particular MPSCNNKernel. Please make one of the MPSCNNPooling subclasses instead. Method Documentation - (nonnull instancetype) initWithSource: (MPSNNImageNode *__nonnull) sourceNode(NSUInteger) size Convenience initializer for MPSCNNPooling nodes with square non-overlapping kernels Parameters: sourceNode The MPSNNImageNode representing the source MPSImage for the filter size kernelWidth = kernelHeight = strideInPixelsX = strideInPixelsY = size Returns: A new MPSNNFilter node for a MPSCNNPooling kernel. - (nonnull instancetype) initWithSource: (MPSNNImageNode *__nonnull) sourceNode(NSUInteger) size(NSUInteger) stride Convenience initializer for MPSCNNPooling nodes with square kernels Parameters: sourceNode The MPSNNImageNode representing the source MPSImage for the filter size kernelWidth = kernelHeight = size stride strideInPixelsX = strideInPixelsY = stride Returns: A new MPSNNFilter node for a MPSCNNPooling kernel. - (nonnull instancetype) initWithSource: (MPSNNImageNode *__nonnull) sourceNode(NSUInteger) kernelWidth(NSUInteger) kernelHeight(NSUInteger) strideInPixelsX(NSUInteger) strideInPixelsY Init a node representing a MPSCNNPooling kernel Parameters: sourceNode The MPSNNImageNode representing the source MPSImage for the filter kernelWidth The width of the max filter window kernelHeight The height of the max filter window strideInPixelsX The output stride (downsampling factor) in the x dimension. strideInPixelsY The output stride (downsampling factor) in the y dimension. Returns: A new MPSNNFilter node for a MPSCNNPooling kernel. + (nonnull instancetype) nodeWithSource: (MPSNNImageNode *__nonnull) sourceNode(NSUInteger) size Convenience initializer for MPSCNNPooling nodes with square non-overlapping kernels Parameters: sourceNode The MPSNNImageNode representing the source MPSImage for the filter size kernelWidth = kernelHeight = strideInPixelsX = strideInPixelsY = size Returns: A new MPSNNFilter node for a MPSCNNPooling kernel. + (nonnull instancetype) nodeWithSource: (MPSNNImageNode *__nonnull) sourceNode(NSUInteger) size(NSUInteger) stride Convenience initializer for MPSCNNPooling nodes with square non-overlapping kernels and a different stride Parameters: sourceNode The MPSNNImageNode representing the source MPSImage for the filter size kernelWidth = kernelHeight = size stride strideInPixelsX = strideInPixelsY = stride Returns: A new MPSNNFilter node for a MPSCNNPooling kernel. Author Generated automatically by Doxygen for MetalPerformanceShaders.framework from the source code. Version MetalPerformanceShaders-100 Thu Feb 8 2018 MPSCNNPoolingNode(3)