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Feature2DAsyncExtensionDetectAsync Method
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Detect the features in the image

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 DetectAsync(
	this IFeature2DAsync feature2DAsync,
	IInputArray image,
	IOutputArray keypoints,
	IInputArray mask = null,
	Stream stream = null
)

Parameters

feature2DAsync
Type: Emgu.CV.CudaIFeature2DAsync
The Feature2DAsync object
image
Type: Emgu.CVIInputArray
The image from which the features will be detected from
keypoints
Type: Emgu.CVIOutputArray
The result vector of keypoints
mask (Optional)
Type: Emgu.CVIInputArray
The optional mask.
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