Visual Servoing Platform
version 3.0.0
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#include <visp3/core/vpImage.h>
Public Member Functions | |
vpImage () | |
vpImage (const vpImage< Type > &) | |
vpImage (unsigned int height, unsigned int width) | |
vpImage (unsigned int height, unsigned int width, Type value) | |
vpImage (Type *const array, const unsigned int height, const unsigned int width, const bool copyData=false) | |
virtual | ~vpImage () |
void | init (unsigned int height, unsigned int width) |
void | init (unsigned int height, unsigned int width, Type value) |
void | init (Type *const array, const unsigned int height, const unsigned int width, const bool copyData=false) |
void | resize (const unsigned int h, const unsigned int w) |
void | resize (const unsigned int h, const unsigned int w, const Type val) |
void | destroy () |
unsigned int | getHeight () const |
unsigned int | getWidth () const |
unsigned int | getRows () const |
unsigned int | getCols () const |
unsigned int | getSize () const |
Type | getMaxValue () const |
Type | getMinValue () const |
void | getMinMaxValue (Type &min, Type &max) const |
Type | getValue (double i, double j) const |
Type | getValue (vpImagePoint &ip) const |
unsigned int | getNumberOfPixel () const |
Type * | operator[] (const unsigned int i) |
Type * | operator[] (const int i) |
const Type * | operator[] (unsigned int i) const |
const Type * | operator[] (int i) const |
Type | operator() (const unsigned int i, const unsigned int j) const |
void | operator() (const unsigned int i, const unsigned int j, const Type &v) |
Type | operator() (const vpImagePoint &ip) const |
void | operator() (const vpImagePoint &ip, const Type &v) |
vpImage< Type > | operator- (const vpImage< Type > &B) |
vpImage< Type > & | operator= (const vpImage< Type > &I) |
vpImage< Type > & | operator= (const Type &v) |
bool | operator== (const vpImage< Type > &I) |
bool | operator!= (const vpImage< Type > &I) |
void | insert (const vpImage< Type > &src, const vpImagePoint topLeft) |
void | halfSizeImage (vpImage< Type > &res) |
void | quarterSizeImage (vpImage< Type > &res) |
void | doubleSizeImage (vpImage< Type > &res) |
void | sub (const vpImage< Type > &B, vpImage< Type > &C) |
void | sub (const vpImage< Type > &A, const vpImage< Type > &B, vpImage< Type > &C) |
void | performLut (const Type(&lut)[256]) |
Public Attributes | |
Type * | bitmap |
vpDisplay * | display |
Friends | |
class | vpImageConvert |
Definition of the vpImage class member functions.
This is a template class, therefore the type of each element of the array is not a priori defined.
Each image is build using two structure (an array bitmap which size is [width*height]) and an array of pointer row (which size is [nrow]) the ith element in the row array row[i] is pointer toward the ith "line" of the image (ie, bitmap +i*width )
Such a structure allows a fast acces to each element of the image. if i is the ith rows and j the jth columns the value of this pixel is given by I[i][j] (that is equivalent to row[i][j]).
The following example available in tutorial-image-manipulation.cpp shows how to create gray level and color images and how to access to the pixels.
To provide high-performance access there is no verification to ensure that 0 i < height and 0 j < width. Since the memory allocated in the bitmap array is continuous, that means that if (i, j) is outside the image you will manipulate a pixel that is not as expected. To highlight this remark, we provide hereafter an example where the considered pixel is outside the image:
copy constructor
Copy constructor
Definition at line 714 of file vpImage.h.
References vpImage< Type >::bitmap, vpImage< Type >::getHeight(), vpImage< Type >::getWidth(), vpImage< Type >::resize(), and vpERROR_TRACE.
constructor set the size of the image
Constructor.
Allocate memory for an [h x w] image.
w | : Image width. |
h | : Image height. |
Element of the bitmap are set to zero.
If the image has been already initialized, memory allocation is done only if the new image size is different, else we re-use the same memory space.
vpException::memoryAllocationError |
Definition at line 506 of file vpImage.h.
References vpImage< Type >::init().
constructor set the size of the image and init all the pixel
Constructor.
Allocate memory for an [height x width] image.
w | : Image width. |
h | : Image height. |
value | : Set all the element of the bitmap to value. |
If the image has been already initialized, memory allocation is done only if the new image size is different, else we re-use the same memory space.
Definition at line 537 of file vpImage.h.
References vpImage< Type >::init(), and vpERROR_TRACE.
vpImage< Type >::vpImage | ( | Type *const | array, |
const unsigned int | h, | ||
const unsigned int | w, | ||
const bool | copyData = false |
||
) |
constructor from an image stored as a continuous array in memory
Constructor.
Construct a vpImage from a continuous array in memory.
array | : Image data stored as a continuous array in memory. |
h | : Image height. |
w | : Image width. |
copyData | : If false (by default) only the memory address is copied, otherwise the data are copied. |
Definition at line 566 of file vpImage.h.
References vpImage< Type >::init().
void vpImage< Type >::destroy | ( | ) |
destructor
Destructor : Memory de-allocation.
Definition at line 672 of file vpImage.h.
Referenced by vpImageFilter::filter(), vpImageFilter::gaussianBlur(), and vpTemplateTracker::initTracking().
Returns a new image that's double size of the current image. Used (eg. in case of keypoints extraction, we might double size of the image in order to have more keypoints). The double size image is computed by nearest-neighbour interpolation:
res | [out] : Image that is double size of the current image. |
The example below shows how to use this method:
See halfSizeImage(vpImage<Type> &) for an example of pyramid construction.
Definition at line 1097 of file vpImage.h.
References vpImage< Type >::resize().
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Get the number of columns in the image.
Definition at line 180 of file vpImage.h.
Referenced by vpImageConvert::convert(), vpMomentObject::fromImage(), and vpMbKltTracker::reinit().
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Get the image height.
Definition at line 152 of file vpImage.h.
Referenced by vpDiskGrabber::acquire(), vp1394CMUGrabber::acquire(), vpV4l2Grabber::acquire(), vp1394TwoGrabber::acquire(), vpImageTools::binarise(), vpPlanarObjectDetector::buildReference(), vpKeyPointSurf::buildReference(), vpFernClassifier::buildReference(), vpHistogram::calculate(), vpImageTools::changeLUT(), vpMbtDistanceLine::closeToImageBorder(), vpMeLine::computeRhoTheta(), vpImageConvert::convert(), vpMeSite::convolution(), vpKeyPoint::createImageMatching(), vpImageTools::createSubImage(), vp1394TwoGrabber::dequeue(), vpDetectorDataMatrixCode::detect(), vpDetectorQRCode::detect(), vpImageMorphology::dilatation(), vpMbtDistanceLine::display(), vpMeLine::display(), vpHistogram::display(), vpMbKltTracker::display(), vpWireFrameSimulator::display_scene(), vpDisplayX::displayImage(), vpDisplayOpenCV::displayImage(), vpDisplayOpenCV::displayImageROI(), vpFeatureDisplay::displayLine(), vpKeyPoint::displayMatching(), vpDisplay::displayROI(), vpImageMorphology::erosion(), vpTemplateTrackerZone::fillTriangle(), vpImageFilter::filter(), vpImageFilter::filterX(), vpImageFilter::filterY(), vpImageFilter::filterYBottomBorder(), vpImageTools::flip(), vpViper850::getCameraParameters(), vpViper650::getCameraParameters(), vpServolens::getCameraParameters(), vpAfma6::getCameraParameters(), vpSimulatorAfma6::getCameraParameters(), vpSimulatorViper850::getCameraParameters(), vpTemplateTrackerSSD::getCost(), vpTemplateTrackerZNCC::getCost(), vpTemplateTrackerMI::getCost(), vpKinect::getDepthMap(), vpRobotWireFrameSimulator::getExternalCameraParameters(), vpWireFrameSimulator::getExternalCameraParameters(), vpSimulatorAfma6::getExternalImage(), vpSimulatorViper850::getExternalImage(), vpWireFrameSimulator::getExternalImage(), vpImageFilter::getGaussPyramidal(), vpImageFilter::getGaussXPyramidal(), vpImageFilter::getGaussYPyramidal(), vpImageFilter::getGradX(), vpImageFilter::getGradY(), vpDisplayX::getImage(), vpImageSimulator::getImage(), vpWireFrameSimulator::getInternalCameraParameters(), vpWireFrameSimulator::getInternalImage(), vpRobotWireFrameSimulator::getInternalView(), vpTemplateTrackerMI::getMI(), vpTemplateTrackerMI::getMI256(), vpPolygon3D::getNbCornerInsideImage(), vpTemplateTrackerMI::getNormalizedCost(), vpAROgre::getRenderingOutput(), vpTemplateTrackerSSD::getSSD(), vpImageTools::imageDifference(), vpImageTools::imageDifferenceAbsolute(), vpDisplayWin32::init(), vpAROgre::init(), vpDisplayGTK::init(), vpDisplayX::init(), vpDisplayOpenCV::init(), vpMbKltTracker::init(), vpMbEdgeTracker::init(), vpTemplateTrackerZone::initFromPoints(), vpTemplateTrackerZNCCForwardAdditional::initHessienDesired(), vpTemplateTrackerMIForwardCompositional::initHessienDesired(), vpTemplateTrackerZNCCInverseCompositional::initHessienDesired(), vpTemplateTrackerMIESM::initHessienDesired(), vpTemplateTrackerMIForwardAdditional::initHessienDesired(), vpTemplateTrackerMIInverseCompositional::initHessienDesired(), vpMbtDistanceLine::initMovingEdge(), vpMbEdgeTracker::initPyramid(), vpTemplateTracker::initTracking(), vpImage< Type >::insert(), vpKeyPoint::insertImageMatching(), vpMbtPolygon::isVisible(), vpMeNurbs::localReSample(), vpPlanarObjectDetector::matchPoint(), vpKeyPointSurf::matchPoint(), vpFernClassifier::matchPoint(), vpImageConvert::merge(), vpWireFrameSimulator::navigation(), vpDiskGrabber::open(), vpVideoWriter::open(), vpVideoReader::open(), vpImage< Type >::operator!=(), vpImage< Type >::operator==(), vpImage< unsigned char >::performLut(), vpImage< vpRGBa >::performLut(), vpMbEdgeKltTracker::postTracking(), vpImageIo::readJPEG(), vpImageIo::readPFM(), vpImageIo::readPGM(), vpImageIo::readPNG(), vpImageIo::readPPM(), vpMbKltTracker::reinit(), vpPolygon3D::roiInsideImage(), vpMeLine::sample(), vpMeNurbs::sample(), vpDot2::searchDotsInArea(), vpMeNurbs::seekExtremities(), vpMeLine::seekExtremities(), vpMeNurbs::seekExtremitiesCanny(), vpAR::setImage(), vpFernClassifier::setImage(), vpMbEdgeKltTracker::setPose(), vpMbKltTracker::setPose(), vpImageConvert::split(), vpImage< Type >::sub(), vpMbEdgeTracker::track(), vpTemplateTrackerZNCCForwardAdditional::trackNoPyr(), vpTemplateTrackerSSDForwardCompositional::trackNoPyr(), vpTemplateTrackerMIForwardCompositional::trackNoPyr(), vpTemplateTrackerSSDESM::trackNoPyr(), vpTemplateTrackerZNCCInverseCompositional::trackNoPyr(), vpTemplateTrackerSSDInverseCompositional::trackNoPyr(), vpTemplateTrackerSSDForwardAdditional::trackNoPyr(), vpTemplateTrackerMIESM::trackNoPyr(), vpTemplateTrackerMIForwardAdditional::trackNoPyr(), vpTemplateTrackerMIInverseCompositional::trackNoPyr(), vpImageTools::undistort(), vpMbtDistanceLine::updateMovingEdge(), vpImage< Type >::vpImage(), vpKinect::warpRGBFrame(), vpImageIo::writeJPEG(), vpImageIo::writePFM(), vpImageIo::writePGM(), vpImageIo::writePNG(), and vpImageIo::writePPM().
Type vpImage< Type >::getMaxValue | ( | ) | const |
Return the maximum value within the bitmap.
void vpImage< Type >::getMinMaxValue | ( | Type & | min, |
Type & | max | ||
) | const |
Look for the minimum and the maximum value within the bitmap.
Definition at line 768 of file vpImage.h.
Referenced by vpImageConvert::convert().
Type vpImage< Type >::getMinValue | ( | ) | const |
Return the minimum value within the bitmap.
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Get the image number of pixels which corresponds to the image width multiplied by the image height.
Definition at line 214 of file vpImage.h.
Referenced by vpImageConvert::split().
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Get the number of rows in the image.
Definition at line 171 of file vpImage.h.
Referenced by vpImageConvert::convert(), vpMomentObject::fromImage(), and vpMbKltTracker::reinit().
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Get the image size.
Definition at line 189 of file vpImage.h.
Referenced by vp1394CMUGrabber::acquire().
Type vpImage< Type >::getValue | ( | double | i, |
double | j | ||
) | const |
Definition at line 1148 of file vpImage.h.
References vpTRACE.
Referenced by vpTemplateTrackerSSD::getCost(), vpTemplateTrackerZNCC::getCost(), vpTemplateTrackerMI::getCost(), vpTemplateTrackerMI::getMI(), vpTemplateTrackerMI::getMI256(), vpTemplateTrackerMI::getNormalizedCost(), vpTemplateTrackerSSD::getSSD(), vpTemplateTrackerZNCCForwardAdditional::initHessienDesired(), vpTemplateTrackerMIForwardCompositional::initHessienDesired(), vpTemplateTrackerZNCCInverseCompositional::initHessienDesired(), vpTemplateTrackerMIESM::initHessienDesired(), vpTemplateTrackerMIForwardAdditional::initHessienDesired(), vpTemplateTrackerMIInverseCompositional::initHessienDesired(), vpTemplateTrackerZNCCForwardAdditional::trackNoPyr(), vpTemplateTrackerSSDForwardCompositional::trackNoPyr(), vpTemplateTrackerMIForwardCompositional::trackNoPyr(), vpTemplateTrackerSSDESM::trackNoPyr(), vpTemplateTrackerZNCCInverseCompositional::trackNoPyr(), vpTemplateTrackerSSDInverseCompositional::trackNoPyr(), vpTemplateTrackerSSDForwardAdditional::trackNoPyr(), vpTemplateTrackerMIESM::trackNoPyr(), vpTemplateTrackerMIForwardAdditional::trackNoPyr(), and vpTemplateTrackerMIInverseCompositional::trackNoPyr().
Type vpImage< Type >::getValue | ( | vpImagePoint & | ip | ) | const |
Definition at line 1313 of file vpImage.h.
References vpTRACE.
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Get the image width.
Definition at line 161 of file vpImage.h.
Referenced by vpDiskGrabber::acquire(), vp1394CMUGrabber::acquire(), vpV4l2Grabber::acquire(), vp1394TwoGrabber::acquire(), vpImageTools::binarise(), vpPlanarObjectDetector::buildReference(), vpKeyPointSurf::buildReference(), vpFernClassifier::buildReference(), vpHistogram::calculate(), vpImageTools::changeLUT(), vpMbtDistanceLine::closeToImageBorder(), vpMeLine::computeRhoTheta(), vpImageConvert::convert(), vpMeSite::convolution(), vpKeyPoint::createImageMatching(), vpImageTools::createSubImage(), vp1394TwoGrabber::dequeue(), vpDetectorDataMatrixCode::detect(), vpDetectorQRCode::detect(), vpImageMorphology::dilatation(), vpMbtDistanceLine::display(), vpMeLine::display(), vpHistogram::display(), vpMbKltTracker::display(), vpWireFrameSimulator::display_scene(), vpDisplayX::displayImage(), vpDisplayOpenCV::displayImage(), vpDisplayX::displayImageROI(), vpDisplayOpenCV::displayImageROI(), vpFeatureDisplay::displayLine(), vpKeyPoint::displayMatching(), vpDisplay::displayROI(), vpImageMorphology::erosion(), vpTemplateTrackerZone::fillTriangle(), vpImageFilter::filter(), vpImageFilter::filterX(), vpImageFilter::filterXRightBorder(), vpImageFilter::filterY(), vpImageTools::flip(), vpViper850::getCameraParameters(), vpViper650::getCameraParameters(), vpServolens::getCameraParameters(), vpAfma6::getCameraParameters(), vpSimulatorAfma6::getCameraParameters(), vpSimulatorViper850::getCameraParameters(), vpTemplateTrackerSSD::getCost(), vpTemplateTrackerZNCC::getCost(), vpTemplateTrackerMI::getCost(), vpRobotWireFrameSimulator::getExternalCameraParameters(), vpWireFrameSimulator::getExternalCameraParameters(), vpSimulatorAfma6::getExternalImage(), vpSimulatorViper850::getExternalImage(), vpWireFrameSimulator::getExternalImage(), vpImageFilter::getGaussPyramidal(), vpImageFilter::getGaussXPyramidal(), vpImageFilter::getGaussYPyramidal(), vpImageFilter::getGradX(), vpImageFilter::getGradY(), vpDisplayX::getImage(), vpImageSimulator::getImage(), vpWireFrameSimulator::getInternalCameraParameters(), vpWireFrameSimulator::getInternalImage(), vpRobotWireFrameSimulator::getInternalView(), vpTemplateTrackerMI::getMI(), vpTemplateTrackerMI::getMI256(), vpPolygon3D::getNbCornerInsideImage(), vpTemplateTrackerMI::getNormalizedCost(), vpAROgre::getRenderingOutput(), vpTemplateTrackerSSD::getSSD(), vpImageTools::imageDifference(), vpImageTools::imageDifferenceAbsolute(), vpDisplayWin32::init(), vpAROgre::init(), vpDisplayGTK::init(), vpDisplayX::init(), vpDisplayOpenCV::init(), vpMbKltTracker::init(), vpMbEdgeTracker::init(), vpMbTracker::initClick(), vpTemplateTrackerZone::initFromPoints(), vpTemplateTrackerZNCCForwardAdditional::initHessienDesired(), vpTemplateTrackerMIForwardCompositional::initHessienDesired(), vpTemplateTrackerZNCCInverseCompositional::initHessienDesired(), vpTemplateTrackerMIESM::initHessienDesired(), vpTemplateTrackerMIForwardAdditional::initHessienDesired(), vpTemplateTrackerMIInverseCompositional::initHessienDesired(), vpMbtDistanceLine::initMovingEdge(), vpMbEdgeTracker::initPyramid(), vpTemplateTracker::initTracking(), vpImage< Type >::insert(), vpKeyPoint::insertImageMatching(), vpMbtPolygon::isVisible(), vpMeNurbs::localReSample(), vpPlanarObjectDetector::matchPoint(), vpKeyPointSurf::matchPoint(), vpFernClassifier::matchPoint(), vpImageConvert::merge(), vpWireFrameSimulator::navigation(), vpDiskGrabber::open(), vpVideoWriter::open(), vpVideoReader::open(), vpImage< Type >::operator!=(), vpImage< Type >::operator==(), vpImage< vpRGBa >::performLut(), vpImage< unsigned char >::performLut(), vpMbEdgeKltTracker::postTracking(), vpImageIo::readJPEG(), vpImageIo::readPFM(), vpImageIo::readPGM(), vpImageIo::readPNG(), vpImageIo::readPPM(), vpMbKltTracker::reinit(), vpPolygon3D::roiInsideImage(), vpMeLine::sample(), vpMeNurbs::sample(), vpDot2::searchDotsInArea(), vpMeNurbs::seekExtremities(), vpMeLine::seekExtremities(), vpMeNurbs::seekExtremitiesCanny(), vpAR::setImage(), vpFernClassifier::setImage(), vpMbEdgeKltTracker::setPose(), vpMbKltTracker::setPose(), vpImageConvert::split(), vpImage< Type >::sub(), vpMbEdgeTracker::track(), vpTemplateTrackerZNCCForwardAdditional::trackNoPyr(), vpTemplateTrackerSSDForwardCompositional::trackNoPyr(), vpTemplateTrackerMIForwardCompositional::trackNoPyr(), vpTemplateTrackerSSDESM::trackNoPyr(), vpTemplateTrackerSSDInverseCompositional::trackNoPyr(), vpTemplateTrackerZNCCInverseCompositional::trackNoPyr(), vpTemplateTrackerSSDForwardAdditional::trackNoPyr(), vpTemplateTrackerMIESM::trackNoPyr(), vpTemplateTrackerMIForwardAdditional::trackNoPyr(), vpTemplateTrackerMIInverseCompositional::trackNoPyr(), vpImageTools::undistort(), vpMbtDistanceLine::updateMovingEdge(), vpImage< Type >::vpImage(), vpKinect::warpRGBFrame(), vpImageIo::writeJPEG(), vpImageIo::writePFM(), vpImageIo::writePGM(), vpImageIo::writePNG(), and vpImageIo::writePPM().
Returns a new image that's half size of the current image. No filtering is used during the sub sampling.
Used for building pyramid of the image.
res | [out] : Subsampled image that is half size of the current image. |
The example below shows how to use this method:
This other example shows how to construct a pyramid of the image:
Definition at line 1018 of file vpImage.h.
References vpImage< Type >::resize().
void vpImage< Type >::init | ( | unsigned int | h, |
unsigned int | w | ||
) |
set the size of the image
Image initialization.
Allocate memory for an [h x w] image.
w | : Image width. |
h | : Image height. |
Element of the bitmap are not initialized
If the image has been already initialized, memory allocation is done only if the new image size is different, else we re-use the same memory space.
vpException::memoryAllocationError |
Definition at line 377 of file vpImage.h.
References vpException::memoryAllocationError, vpDEBUG_TRACE, and vpERROR_TRACE.
Referenced by vpPlot::init(), and vpImage< Type >::vpImage().
void vpImage< Type >::init | ( | unsigned int | h, |
unsigned int | w, | ||
Type | value | ||
) |
set the size of the image
Image initialisation.
Allocate memory for an [h x w] image.
w | : Image width. |
h | : Image height. |
value | : Set all the element of the bitmap to value. |
vpException::memoryAllocationError |
Definition at line 341 of file vpImage.h.
References vpERROR_TRACE.
void vpImage< Type >::init | ( | Type *const | array, |
const unsigned int | h, | ||
const unsigned int | w, | ||
const bool | copyData = false |
||
) |
init from an image stored as a continuous array in memory
Image initialization.
Init from image data stored as a continuous array in memory.
array | : Image data stored as a continuous array in memory |
h | : Image height. |
w | : Image width. |
copyData | : If false (by default) only the memory address is copied, otherwise the data are copied. |
vpException::memoryAllocationError |
Definition at line 439 of file vpImage.h.
References vpException::memoryAllocationError.
void vpImage< Type >::insert | ( | const vpImage< Type > & | src, |
const vpImagePoint | topLeft | ||
) |
Insert an image into another one.
It is possible to insert the image into the calling vpImage. You can set the point in the destination image where the top left corner of the image will belocated.
src | : Image to insert |
topLeft | : Coordinates of the image's top left corner in the destination image. |
Definition at line 935 of file vpImage.h.
References vpImage< Type >::bitmap, vpImagePoint::get_i(), vpImagePoint::get_j(), vpImage< Type >::getHeight(), and vpImage< Type >::getWidth().
Referenced by vpKeyPoint::insertImageMatching().
Compare two images.
Definition at line 877 of file vpImage.h.
References vpImage< Type >::bitmap, vpImage< Type >::getHeight(), and vpImage< Type >::getWidth().
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Operation A - B (A is unchanged).
Copy operator.
Definition at line 782 of file vpImage.h.
References vpImage< Type >::bitmap, vpException::memoryAllocationError, and vpERROR_TRACE.
Compare two images.
Definition at line 857 of file vpImage.h.
References vpImage< Type >::bitmap, vpImage< Type >::getHeight(), and vpImage< Type >::getWidth().
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void vpImage< Type >::performLut | ( | const Type(&) | lut[256] | ) |
Definition at line 1544 of file vpImage.h.
Referenced by vpImageTools::binarise().
Returns a new image that's a quarter size of the current image. No filtering is used during the sub sampling. Used for building a quarter of the image.
res | [out] : Subsampled image that is quarter size of the current image. |
The example below shows how to use this method:
See halfSizeImage(vpImage<Type> &) for an example of pyramid construction.
Definition at line 1052 of file vpImage.h.
References vpImage< Type >::resize().
void vpImage< Type >::resize | ( | const unsigned int | h, |
const unsigned int | w | ||
) |
set the size of the image without initializing it.
resize the image : Image initialization
Allocate memory for an [height x width] image.
w | : Image width. |
h | : Image height. |
Element of the bitmap are not initialized
If the image has been already initialized, memory allocation is done only if the new image size is different, else we re-use the same memory space.
vpException::memoryAllocationError |
Definition at line 616 of file vpImage.h.
References vpERROR_TRACE.
Referenced by vpV4l2Grabber::acquire(), vp1394TwoGrabber::acquire(), vpImageConvert::convert(), vpImageTools::createSubImage(), vp1394TwoGrabber::dequeue(), vpImage< Type >::doubleSizeImage(), vpImageFilter::filter(), vpImageFilter::filterX(), vpImageFilter::filterY(), vpImageTools::flip(), vpImageFilter::getGaussXPyramidal(), vpImageFilter::getGaussYPyramidal(), vpImageFilter::getGradX(), vpImageFilter::getGradY(), vpDisplayGTK::getImage(), vpDisplayX::getImage(), vpSimulator::getInternalImage(), vpAROgre::getRenderingOutput(), vpImage< Type >::halfSizeImage(), vpImageTools::imageDifference(), vpImageTools::imageDifferenceAbsolute(), vpProjectionDisplay::init(), vpImageConvert::merge(), vpV4l2Grabber::open(), vp1394CMUGrabber::open(), vpImage< Type >::quarterSizeImage(), vpImageIo::readJPEG(), vpImageIo::readPFM(), vpImageIo::readPGM(), vpImageIo::readPNG(), vpImageIo::readPPM(), vpImageConvert::split(), vpImage< Type >::sub(), vpImageTools::undistort(), vpImage< Type >::vpImage(), vpKinect::vpKinect(), vpRobotWireFrameSimulator::vpRobotWireFrameSimulator(), vpKinect::warpRGBFrame(), and vpImageIo::writePGM().
void vpImage< Type >::resize | ( | const unsigned int | h, |
const unsigned int | w, | ||
const Type | val | ||
) |
set the size of the image and initialize it.
resize the image : Image initialization
Allocate memory for an [height x width] image and initialize the image.
w | : Image width. |
h | : Image height. |
val | : Pixels value. |
Element of the bitmap are not initialized
If the image has been already initialized, memory allocation is done only if the new image size is different, else we re-use the same memory space.
vpException::memoryAllocationError |
Definition at line 650 of file vpImage.h.
References vpERROR_TRACE.
Operation C = *this - B.
The result is placed in the third parameter C and not returned. A new image won't be allocated for every use of the function (Speed gain if used many times with the same result matrix size).
vpException::memoryAllocationError | If the images size differ. |
Definition at line 1463 of file vpImage.h.
References vpImage< Type >::bitmap, vpImage< Type >::getHeight(), vpImage< Type >::getWidth(), vpException::memoryAllocationError, vpImage< Type >::resize(), and vpERROR_TRACE.
void vpImage< Type >::sub | ( | const vpImage< Type > & | A, |
const vpImage< Type > & | B, | ||
vpImage< Type > & | C | ||
) |
Operation C = A - B.
The result is placed in the third parameter C and not returned. A new image won't be allocated for every use of the function (Speed gain if used many times with the same result matrix size).
vpException::memoryAllocationError | If the images size differ. |
Definition at line 1504 of file vpImage.h.
References vpImage< Type >::bitmap, vpImage< Type >::getHeight(), vpImage< Type >::getWidth(), vpException::memoryAllocationError, vpImage< Type >::resize(), and vpERROR_TRACE.
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Type* vpImage< Type >::bitmap |
points toward the bitmap
Definition at line 116 of file vpImage.h.
Referenced by vp1394CMUGrabber::acquire(), vpV4l2Grabber::acquire(), vp1394TwoGrabber::acquire(), vpImageTools::binarise(), vpKeyPointSurf::buildReference(), vpHistogram::calculate(), vpImageConvert::convert(), vp1394TwoGrabber::dequeue(), vpDetectorDataMatrixCode::detect(), vpDetectorQRCode::detect(), vpDisplayGTK::displayImage(), vpDisplayX::displayImage(), vpDisplayGTK::displayImageROI(), vpDisplayX::displayImageROI(), vpImageTools::flip(), vpDisplayGTK::getImage(), vpDisplayX::getImage(), vpImageSimulator::getImage(), vpSimulator::getInternalImage(), vpAROgre::getRenderingOutput(), vpImageTools::imageDifference(), vpImageTools::imageDifferenceAbsolute(), vpMbEdgeTracker::initPyramid(), vpImage< Type >::insert(), vpKeyPointSurf::matchPoint(), vpImageConvert::merge(), vpImage< Type >::operator!=(), vpImage< Type >::operator=(), vpImage< Type >::operator==(), vpImageIo::readJPEG(), vpImageIo::readPFM(), vpImageIo::readPGM(), vpImageIo::readPNG(), vpFernClassifier::setImage(), vpImageConvert::split(), vpImage< Type >::sub(), vpImageTools::undistort(), vpAROgre::updateBackgroundTexture(), vpImage< Type >::vpImage(), vpImageIo::writeJPEG(), vpImageIo::writePFM(), vpImageIo::writePGM(), and vpImageIo::writePNG().
Definition at line 117 of file vpImage.h.
Referenced by vpDisplay::close(), vpTemplateTracker::display(), vpDisplay::display(), vpDisplay::displayArrow(), vpDisplay::displayCharString(), vpDisplay::displayCircle(), vpDisplay::displayCross(), vpDisplay::displayDotLine(), vpDisplay::displayEllipse(), vpDisplay::displayLine(), vpDisplay::displayPoint(), vpDisplay::displayPolygon(), vpDisplay::displayRectangle(), vpDisplay::displayROI(), vpDisplay::displayText(), vpDisplay::flush(), vpDisplay::flushROI(), vpDisplay::getClick(), vpDisplay::getClickUp(), vpWireFrameSimulator::getExternalImage(), vpDisplay::getImage(), vpWireFrameSimulator::getInternalImage(), vpDisplay::getKeyboardEvent(), vpDisplay::getPointerMotionEvent(), vpDisplay::getPointerPosition(), vpDisplayWin32::init(), vpDisplayGTK::init(), vpDisplayX::init(), vpDisplayOpenCV::init(), vpMbTracker::initClick(), vpDisplay::setBackground(), vpDisplay::setFont(), vpDisplay::setTitle(), and vpDisplay::setWindowPosition().