vpVirtualGrabber Class Reference

Public Member Functions
	vpVirtualGrabber (const std::string &filename, const vpCameraParameters &cam)
void	acquire (vpImage< unsigned char > &I, const vpHomogeneousMatrix &cMo)

Detailed Description

Given an image of a target, this class provided virtual framegrabbing capabilities in order to retrieve an image of a virtual camera depending on its 3D position.

Examples:

tutorial-ibvs-4pts-image-tracking.cpp.

Definition at line 19 of file tutorial-ibvs-4pts-image-tracking.cpp.

Constructor & Destructor Documentation

vpVirtualGrabber::vpVirtualGrabber ( const std::string &  filename, const vpCameraParameters &  cam  )

inline

Initialize the grabber with a target.

Parameters

filename	: File name corresponding to an image of a target.
cam	: Intrinsic camera parameters.

Examples:

tutorial-ibvs-4pts-image-tracking.cpp.

Definition at line 27 of file tutorial-ibvs-4pts-image-tracking.cpp.

References vpImageSimulator::BILINEAR_INTERPOLATION, vpImageSimulator::init(), vpImageIo::read(), and vpImageSimulator::setInterpolationType().

Member Function Documentation

void vpVirtualGrabber::acquire ( vpImage< unsigned char > &  I, const vpHomogeneousMatrix &  cMo  )

inline

Compute the image of the virtual camera from its position with respect to the object.

Parameters

I	: Image provided by the virtual camera.
cMo	: Pose of the camera with respect to the object frame.

Examples:

tutorial-ibvs-4pts-image-tracking.cpp.

Definition at line 54 of file tutorial-ibvs-4pts-image-tracking.cpp.

References vpImageSimulator::getImage(), vpImageSimulator::setCameraPosition(), and vpImageSimulator::setCleanPreviousImage().