cv::gpu::ORB_GPU Class Reference

#include <gpu.hpp>

Public Types
enum	{   X_ROW = 0, Y_ROW, RESPONSE_ROW, ANGLE_ROW,   OCTAVE_ROW, SIZE_ROW, ROWS_COUNT }
enum	{ DEFAULT_FAST_THRESHOLD = 20 }

Public Member Functions
	ORB_GPU (int nFeatures=500, float scaleFactor=1.2f, int nLevels=8, int edgeThreshold=31, int firstLevel=0, int WTA_K=2, int scoreType=0, int patchSize=31)
	Constructor. More...
void	operator() (const GpuMat &image, const GpuMat &mask, std::vector< KeyPoint > &keypoints)
void	operator() (const GpuMat &image, const GpuMat &mask, GpuMat &keypoints)
void	operator() (const GpuMat &image, const GpuMat &mask, std::vector< KeyPoint > &keypoints, GpuMat &descriptors)
void	operator() (const GpuMat &image, const GpuMat &mask, GpuMat &keypoints, GpuMat &descriptors)
void	downloadKeyPoints (GpuMat &d_keypoints, std::vector< KeyPoint > &keypoints)
	download keypoints from device to host memory More...
void	convertKeyPoints (Mat &d_keypoints, std::vector< KeyPoint > &keypoints)
	convert keypoints to KeyPoint vector More...
int	descriptorSize () const
	returns the descriptor size in bytes More...
void	setFastParams (int threshold, bool nonmaxSuppression=true)
void	release ()
	release temporary buffer's memory More...

Public Attributes
bool	blurForDescriptor
	if true, image will be blurred before descriptors calculation More...

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
X_ROW
Y_ROW
RESPONSE_ROW
ANGLE_ROW
OCTAVE_ROW
SIZE_ROW
ROWS_COUNT

anonymous enum

anonymous enum

Enumerator
DEFAULT_FAST_THRESHOLD

Constructor & Destructor Documentation

ORB_GPU()

cv::gpu::ORB_GPU::ORB_GPU ( int  nFeatures = 500, float  scaleFactor = 1.2f, int  nLevels = 8, int  edgeThreshold = 31, int  firstLevel = 0, int  WTA_K = 2, int  scoreType = 0, int  patchSize = 31  )

explicit

Constructor.

Member Function Documentation

convertKeyPoints()

void cv::gpu::ORB_GPU::convertKeyPoints	(	Mat &	d_keypoints,
		std::vector< KeyPoint > &	keypoints
	)

convert keypoints to KeyPoint vector

descriptorSize()

int cv::gpu::ORB_GPU::descriptorSize ( ) const

inline

returns the descriptor size in bytes

downloadKeyPoints()

void cv::gpu::ORB_GPU::downloadKeyPoints	(	GpuMat &	d_keypoints,
		std::vector< KeyPoint > &	keypoints
	)

download keypoints from device to host memory

operator()() [1/4]

void cv::gpu::ORB_GPU::operator()	(	const GpuMat &	image,
		const GpuMat &	mask,
		std::vector< KeyPoint > &	keypoints
	)

Compute the ORB features on an image image - the image to compute the features (supports only CV_8UC1 images) mask - the mask to apply keypoints - the resulting keypoints

operator()() [2/4]

void cv::gpu::ORB_GPU::operator()	(	const GpuMat &	image,
		const GpuMat &	mask,
		GpuMat &	keypoints
	)

operator()() [3/4]

void cv::gpu::ORB_GPU::operator()	(	const GpuMat &	image,
		const GpuMat &	mask,
		std::vector< KeyPoint > &	keypoints,
		GpuMat &	descriptors
	)

Compute the ORB features and descriptors on an image image - the image to compute the features (supports only CV_8UC1 images) mask - the mask to apply keypoints - the resulting keypoints descriptors - descriptors array

operator()() [4/4]

void cv::gpu::ORB_GPU::operator()	(	const GpuMat &	image,
		const GpuMat &	mask,
		GpuMat &	keypoints,
		GpuMat &	descriptors
	)

release()

void cv::gpu::ORB_GPU::release

(

)

release temporary buffer's memory

setFastParams()

void cv::gpu::ORB_GPU::setFastParams ( int  threshold, bool  nonmaxSuppression = true  )

inline

Member Data Documentation

blurForDescriptor

bool cv::gpu::ORB_GPU::blurForDescriptor

if true, image will be blurred before descriptors calculation

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The documentation for this class was generated from the following file:

• gpu/include/opencv2/gpu/gpu.hpp