MPSImageFindKeypoints

Declaration

class MPSImageFindKeypoints

Overview

This kernel is used to find a list of keypoints whose values are greater than the minimumThresholdValue in MPSImageKeypointRangeInfo. The keypoints are generated for a specified region in the image. The pixel format of the source image must be MTLPixelFormat.r8Unorm.

Topics

Initializers

• init(coder:device:)
• init(device:info:)

Instance Properties

• keypointRangeInfo

Instance Methods

• encode(to:sourceTexture:regions:numberOfRegions:keypointCount:keypointCountBufferOffset:keypointDataBuffer:keypointDataBufferOffset:)

Relationships

Inherits From

• MPSKernel

Conforms To

• CVarArg
• CustomDebugStringConvertible
• CustomStringConvertible
• Equatable
• Hashable
• NSCoding
• NSCopying
• NSObjectProtocol
• NSSecureCoding

See Also

Keypoints

• MPSImageKeypointData
• MPSImageKeypointRangeInfo