C# Класс Emgu.CV.Features2D.SIFTDetector

Wrapped SIFT detector structure

Наследование: Emgu.Util.UnmanagedObject, IKeyPointDetector, IDescriptorExtractor

Открытые методы

Метод	Описание
ComputeDescriptors ( Byte>.Image image, byte>.Image mask, MKeyPoint keyPoints ) : Emgu.CV.Features2D.ImageFeature[]	Compute the descriptor given the image and the point location
ComputeDescriptors ( byte>.Image image, MKeyPoint keyPoints ) : Emgu.CV.Features2D.ImageFeature[]	Compute the ImageFeature on the image from the given keypoint locations.
DetectFeatures ( Byte>.Image image, byte>.Image mask ) : Emgu.CV.Features2D.ImageFeature[]	Detect image features from the given image
DetectKeyPoints ( Byte>.Image image, byte>.Image mask ) : Emgu.CV.Structure.MKeyPoint[]	Detect the SURF keypoints from the image
DetectKeyPoints ( byte>.Image image ) : Emgu.CV.Structure.MKeyPoint[]	Detect the keypoints in the image
SIFTDetector ( ) : System	Create a SIFT detector with the default parameters
SIFTDetector ( int nOctaves, int nOctaveLayers, int firstOctave, AngleMode angleMode, double threshold, double edgeThreshold, double magnification, bool isNormalize, bool recalculateAngles ) : System	Create a SIFTDetector using the specific values

Метод	Описание
DisposeObject ( ) : void	Release the unmanaged resources associated with this object

Метод	Описание
CvSIFTDetectorComputeDescriptors ( IntPtr detector, IntPtr image, IntPtr mask, IntPtr keypoints, IntPtr descriptors ) : void
CvSIFTDetectorCreate ( int nOctaves, int nOctaveLayers, int firstOctave, AngleMode angleMode, double threshold, double edgeThreshold, double magnification, [ isNormalize, [ recalculateAngles ) : IntPtr
CvSIFTDetectorDetectFeature ( IntPtr detector, IntPtr image, IntPtr mask, IntPtr keypoints, IntPtr descriptors ) : void
CvSIFTDetectorDetectKeyPoints ( IntPtr detector, IntPtr image, IntPtr mask, IntPtr keypoints ) : void
CvSIFTDetectorGetDescriptorSize ( IntPtr detector ) : int
CvSIFTDetectorRelease ( IntPtr &detector ) : void

Compute the descriptor given the image and the point location

public ComputeDescriptors ( Byte>.Image image, byte>.Image mask, MKeyPoint keyPoints ) : Emgu.CV.Features2D.ImageFeature[]
image	Byte>.Image	The image where the descriptor will be computed from
mask	byte>.Image	The optional mask, can be null if not needed
keyPoints	Emgu.CV.Structure.MKeyPoint	The keypoint where the descriptor will be computed from
Результат	Emgu.CV.Features2D.ImageFeature[]

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

public ComputeDescriptors ( byte>.Image image, MKeyPoint keyPoints ) : Emgu.CV.Features2D.ImageFeature[]
image	byte>.Image	The image to compute descriptors from
keyPoints	Emgu.CV.Structure.MKeyPoint	The keypoints where the descriptor computation is perfromed
Результат	Emgu.CV.Features2D.ImageFeature[]

Detect image features from the given image

public DetectFeatures ( Byte>.Image image, byte>.Image mask ) : Emgu.CV.Features2D.ImageFeature[]
image	Byte>.Image	The image to detect features from
mask	byte>.Image	The optional mask, can be null if not needed
Результат	Emgu.CV.Features2D.ImageFeature[]

Detect the SURF keypoints from the image

public DetectKeyPoints ( Byte>.Image image, byte>.Image mask ) : Emgu.CV.Structure.MKeyPoint[]
image	Byte>.Image	The image to extract SURF features from
mask	byte>.Image	The optional mask, can be null if not needed
Результат	Emgu.CV.Structure.MKeyPoint[]

Detect the keypoints in the image

public DetectKeyPoints ( byte>.Image image ) : Emgu.CV.Structure.MKeyPoint[]
image	byte>.Image	The image from which the key point will be detected from
Результат	Emgu.CV.Structure.MKeyPoint[]

Release the unmanaged resources associated with this object

protected DisposeObject ( ) : void
Результат	void

Create a SIFT detector with the default parameters

public SIFTDetector ( ) : System
Результат	System

Create a SIFTDetector using the specific values

public SIFTDetector ( int nOctaves, int nOctaveLayers, int firstOctave, AngleMode angleMode, double threshold, double edgeThreshold, double magnification, bool isNormalize, bool recalculateAngles ) : System
nOctaves	int	The number of octaves. Use 4 for default
nOctaveLayers	int	The number of octaves layers. Use 3 for default
firstOctave	int	Use -1 for default
angleMode	AngleMode	Angle mode
threshold	double	Detector parameter. Use 0.04 / nOctavesLayers / 2.0 as default
edgeThreshold	double	Detector parameter. Use 10.0 as default
magnification	double	Descriptor parameter. Use 3.0 as default
isNormalize	bool	Descriptor parameter. Use true as default
recalculateAngles	bool	Descriptor parameter. Use true as default
Результат	System