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

Namespace: Emgu.CV.Features2D
Assembly: Emgu.CV (in Emgu.CV.dll) Version: 2.4.2.1777 (2.4.2.1777)

Syntax

C#
public Matrix<TDescriptor> ComputeDescriptorsRaw(
	Image<Gray, byte> image,
	Image<Gray, byte> mask,
	VectorOfKeyPoint keyPoints
)
Visual Basic
Public Function ComputeDescriptorsRaw ( _
	image As Image(Of Gray, Byte), _
	mask As Image(Of Gray, Byte), _
	keyPoints As VectorOfKeyPoint _
) As Matrix(Of TDescriptor)
Visual C++
public:
Matrix<TDescriptor>^ ComputeDescriptorsRaw(
	Image<Gray, unsigned char>^ image, 
	Image<Gray, unsigned char>^ mask, 
	VectorOfKeyPoint^ keyPoints
)

Parameters

image
Type: Emgu.CV..::..Image<(Of <(<'Gray, Byte>)>)>
The image to compute descriptors from
mask
Type: Emgu.CV..::..Image<(Of <(<'Gray, Byte>)>)>
The optional mask, can be null if not needed
keyPoints
Type: Emgu.CV.Util..::..VectorOfKeyPoint
The keypoints where the descriptor computation is perfromed

Return Value

The descriptors from the given keypoints

See Also