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Feature2DAsyncExtensionComputeAsync Method
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Compute the descriptors on the image from the given keypoint locations.

Namespace: Emgu.CV.Cuda
Assembly: Emgu.CV.World (in Emgu.CV.World.dll) Version: 3.2.0.2682 (3.2.0.2682)
Syntax
public static void ComputeAsync(
	this IFeature2DAsync feature2DAsync,
	IInputArray image,
	IOutputArray keypoints,
	IOutputArray descriptors,
	Stream stream = null
)

Parameters

feature2DAsync
Type: Emgu.CV.CudaIFeature2DAsync
The Feature2DAsync object
image
Type: Emgu.CVIInputArray
The image to compute descriptors from
keypoints
Type: Emgu.CVIOutputArray
The keypoints where the descriptor computation is perfromed
descriptors
Type: Emgu.CVIOutputArray
The descriptors from the given keypoints
stream (Optional)
Type: Emgu.CV.CudaStream
Use a Stream to call the function asynchronously (non-blocking) or null to call the function synchronously (blocking).

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IFeature2DAsync. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
See Also