FindLines.cpp File Reference

functions for finding lines More...

#include "vigra/edgedetection.hxx"
#include "FindLines.h"
#include "FindN8Lines.h"
#include <algorithms/nona/FitPanorama.h>
#include <algorithms/basic/CalculateOptimalROI.h>
#include <nona/RemappedPanoImage.h>
#include <algorithms/optimizer/PTOptimizer.h>
#include "algorithms/basic/CalculateCPStatistics.h"

Include dependency graph for FindLines.cpp:

Go to the source code of this file.

Namespaces
namespace	HuginLines
Classes
struct	HuginLines::VerticalLine
Defines
#define	MAX_RESIZE_DIM   1600
Typedefs
typedef std::vector< VerticalLine >	VerticalLineVector
Functions
template<class ImageType>
double	resize_image (ImageType &in, ImageType &out, int resize_dimension)
vigra::BImage *	detectEdges (UInt8RGBImage input, double scale, double threshold, unsigned int resize_dimension, double &size_factor)
	detect and mark edges in an edge image using Canny's algorithm
vigra::BImage *	detectEdges (BImage input, double scale, double threshold, unsigned int resize_dimension, double &size_factor)
double	calculate_focal_length_pixels (double focal_length, double cropFactor, double width, double height)
Lines	findLines (vigra::BImage &edge, double length_threshold, double focal_length, double crop_factor)
	find straightish non-crossing lines find straightish non-crossing lines in an edge map using 8-neighborhood operations. (Points on the edges of the image cannot be line points).
void	ScaleLines (Lines &lines, const double scale)
	scales the given lines with given factor use in conjugation with HuginLines::detectEdges to scale the lines to image space because edge image to scaled to smaller size for faster computation
HuginBase::CPVector	GetControlPoints (const SingleLine line, const unsigned int imgNr, const unsigned int lineNr, const unsigned int numberOfCtrlPoints)
	returns a HuginBase::CPVector with cps_per_lines
vigra::Point2D	GetFootpoint (vigra::Point2D p, vigra::Point2D p1, vigra::Point2D p2)
VerticalLine	FitLine (SingleLine line)
VerticalLineVector	FilterLines (Lines lines, double roll)
bool	SortByError (const HuginBase::ControlPoint &cp1, const HuginBase::ControlPoint &cp2)
template<class ImageType>
HuginBase::CPVector	_getVerticalLines (const HuginBase::Panorama &pano, const unsigned int imgNr, ImageType &image, const unsigned int nrLines)
HuginBase::CPVector	GetVerticalLines (const HuginBase::Panorama &pano, const unsigned int imgNr, vigra::UInt8RGBImage &image, const unsigned int nrLines)
	searches for vertical control points in given image
HuginBase::CPVector	GetVerticalLines (const HuginBase::Panorama &pano, const unsigned int imgNr, vigra::BImage &image, const unsigned int nrLines)

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Detailed Description

functions for finding lines

Definition in file FindLines.cpp.

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Define Documentation

#define MAX_RESIZE_DIM   1600

Definition at line 165 of file FindLines.cpp. Referenced by HuginLines::_getVerticalLines().

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Typedef Documentation

typedef std::vector<VerticalLine> HuginLines::VerticalLineVector

Definition at line 173 of file FindLines.cpp. Referenced by HuginLines::_getVerticalLines(), and HuginLines::FilterLines().

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Function Documentation

template<class ImageType> HuginBase::CPVector _getVerticalLines (  const HuginBase::Panorama &  pano, const unsigned int  imgNr, ImageType &  image, const unsigned int  nrLines )

Definition at line 256 of file FindLines.cpp. References HuginBase::Panorama::addCtrlPoint(), HuginBase::Panorama::addImage(), HuginBase::CalculateCPStatisticsError::calcCtrlPntsErrorStats(), HuginBase::SrcPanoImage::calcFocalLength(), HuginBase::PTools::Transform::createTransform(), DEG_TO_RAD, HuginBase::SrcPanoImage::deleteAllMasks(), HuginLines::detectEdges(), HuginBase::ControlPoint::error, HuginLines::FilterLines(), HuginLines::findLines(), HuginBase::Panorama::getCtrlPoints(), HuginBase::SrcPanoImage::getHeight(), HuginBase::Panorama::getImage(), HuginBase::CalculateFitPanorama::getResultHeight(), HuginBase::CalculateFitPanorama::getResultHorizontalFOV(), HuginBase::PanoramaOptions::getROI(), HuginBase::Panorama::getSrcImage(), HuginBase::SrcPanoImage::getWidth(), HuginBase::ControlPoint::image1Nr, HuginBase::ControlPoint::image2Nr, ImageType, HuginLines::Lines, vigra_ext::ROIImage< RemapImage, AlphaImage >::m_image, celeste::max(), MAX_RESIZE_DIM, celeste::min(), HuginBase::ControlPoint::mode, HuginBase::PTools::optimize(), HuginBase::PanoramaOptions::outputExposureValue, HuginBase::Nona::RemappedPanoImage< RemapImage, AlphaImage >::remapImage(), HuginBase::PanoramaAlgorithm::run(), HuginBase::BaseSrcPanoImage::setActive(), HuginBase::BaseSrcPanoImage::setEMoRParams(), HuginBase::BaseSrcPanoImage::setExposureValue(), HuginBase::PanoramaOptions::setHeight(), HuginBase::PanoramaOptions::setHFOV(), HuginBase::Panorama::setOptimizeVector(), HuginBase::Panorama::setOptions(), HuginBase::Nona::RemappedPanoImage< RemapImage, AlphaImage >::setPanoImage(), HuginBase::BaseSrcPanoImage::setPitch(), HuginBase::PanoramaOptions::setProjection(), HuginBase::BaseSrcPanoImage::setRoll(), HuginBase::PanoramaOptions::setWidth(), HuginBase::BaseSrcPanoImage::setX(), HuginBase::BaseSrcPanoImage::setY(), HuginBase::BaseSrcPanoImage::setYaw(), HuginBase::BaseSrcPanoImage::setZ(), HuginBase::PTools::Transform::transformImgCoord(), HuginLines::VerticalLineVector, HuginBase::ControlPoint::x1, HuginBase::ControlPoint::x2, HuginBase::ControlPoint::y1, and HuginBase::ControlPoint::y2. Referenced by HuginLines::GetVerticalLines().

double calculate_focal_length_pixels (  double  focal_length, double  cropFactor, double  width, double  height )

Definition at line 109 of file FindLines.cpp. Referenced by HuginLines::findLines().

vigra::BImage* detectEdges (  BImage  input, double  scale, double  threshold, unsigned int  resize_dimension, double &  size_factor )

Definition at line 96 of file FindLines.cpp. References vigra::cannyEdgeImage(), vigra_ext::destImage(), HuginLines::resize_image(), vigra_ext::srcImageRange(), and threshold(). Referenced by HuginLines::_getVerticalLines().

vigra::BImage* detectEdges (  vigra::UInt8RGBImage  input, double  scale, double  threshold, unsigned int  resize_dimension, double &  size_factor )

detect and mark edges in an edge image using Canny's algorithm Parameters: input  input image, on which the algorithm should run scale  scale factor in pixel (precondition: scale > 0) threshold  threshold for edge detection algorithm (precondition: threshold > 0) resize_dimension  maximum dimension on which the algorithm should work size_factor  contains the scale factor for transform from edge image to input image Returns: image with the marked edges Definition at line 79 of file FindLines.cpp. References vigra::cannyEdgeImage(), vigra_ext::destImage(), HuginLines::resize_image(), vigra_ext::srcImageRange(), and threshold().

VerticalLineVector FilterLines (  Lines  lines, double  roll )

Definition at line 225 of file FindLines.cpp. References DEG_TO_RAD, HuginLines::VerticalLine::end, HuginLines::FitLine(), HuginLines::VerticalLine::start, HuginLines::valid_line, and HuginLines::VerticalLineVector. Referenced by HuginLines::_getVerticalLines().

LINESIMPEX HuginLines::Lines HuginLines::findLines (  vigra::BImage &  edge, double  length_threshold, double  focal_length, double  crop_factor )

find straightish non-crossing lines find straightish non-crossing lines in an edge map using 8-neighborhood operations. (Points on the edges of the image cannot be line points). Parameters: edge  edge image (e.g. created with HuginLines::detectEdges length_threshold  minimum length of a line, given in ratio to longest images dimension (0<length_threshold<1) focal_length  focal length of the lens (used for estimate which curvature the lines can have) crop_factor  crop factor of the camera/lens Returns: the found lines as HuginLines::Lines, contains also the invalid lines (e.g. too short, too curved), use Lines[].status to get result Definition at line 124 of file FindLines.cpp. References HuginLines::calculate_focal_length_pixels(), HuginLines::edgeMap2linePts(), HuginLines::linePts2lineList(), and HuginLines::Lines. Referenced by HuginLines::_getVerticalLines().

VerticalLine FitLine (  SingleLine  line  )

Definition at line 185 of file FindLines.cpp. References HuginLines::VerticalLine::end, HuginLines::GetFootpoint(), HuginLines::SingleLine::line, and HuginLines::VerticalLine::start. Referenced by HuginLines::FilterLines().

LINESIMPEX HuginBase::CPVector HuginLines::GetControlPoints (  const SingleLine  line, const unsigned int  imgNr, const unsigned int  lineNr, const unsigned int  numberOfCtrlPoints )

returns a HuginBase::CPVector with cps_per_lines Parameters: line  line from which the control points should be created imgNr  number of the image in the HuginBase::Panorama class lineNr  number of the line to be created (must be >=3, line 1 and 2 are horizontal and vertical lines) numberOfCtrlPoints  number of control points to create Returns: HuginBase::CPVector with all control points Definition at line 150 of file FindLines.cpp. References HuginLines::SingleLine::line. Referenced by LensCalFrame::GetPanorama().

vigra::Point2D GetFootpoint (  vigra::Point2D  p, vigra::Point2D  p1, vigra::Point2D  p2 )

Definition at line 176 of file FindLines.cpp. References hugin_utils::FDiff2D, and hugin_utils::sqr(). Referenced by HuginLines::FitLine().

LINESIMPEX HuginBase::CPVector HuginLines::GetVerticalLines (  const HuginBase::Panorama &  pano, const unsigned int  imgNr, vigra::BImage &  image, const unsigned int  nrLines )

Definition at line 466 of file FindLines.cpp. References HuginLines::_getVerticalLines().

LINESIMPEX HuginBase::CPVector HuginLines::GetVerticalLines (  const HuginBase::Panorama &  pano, const unsigned int  imgNr, vigra::UInt8RGBImage &  image, const unsigned int  nrLines )

searches for vertical control points in given image Parameters: pano  panorama object in which is searched imgNr  number of image in which should be searched image  vigra image in which should be searched nrLine  maximal number of lines to return Returns: HuginBase::CPVector with all vertical control points Definition at line 461 of file FindLines.cpp. References HuginLines::_getVerticalLines(). Referenced by LoadGrayImageAndFindLines(), and LoadImageAndFindLines().

template<class ImageType> double resize_image (  ImageType &  in, ImageType &  out, int  resize_dimension )

Definition at line 43 of file FindLines.cpp. References vigra_ext::destImage(), vigra_ext::destImageRange(), out, and vigra_ext::srcImageRange(). Referenced by HuginLines::detectEdges().

LINESIMPEX void HuginLines::ScaleLines (  HuginLines::Lines &  lines, const double  scale )

scales the given lines with given factor use in conjugation with HuginLines::detectEdges to scale the lines to image space because edge image to scaled to smaller size for faster computation Definition at line 139 of file FindLines.cpp. Referenced by ImageLineList::ScaleLines().

bool SortByError (  const HuginBase::ControlPoint &  cp1, const HuginBase::ControlPoint &  cp2 )

Definition at line 250 of file FindLines.cpp. References HuginBase::ControlPoint::error.

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