HuginLines Namespace Reference

Classes
struct	HuginLines::VerticalLine
struct	HuginLines::SingleLine
	a single line extracted from image More...
Typedefs
typedef std::vector< VerticalLine >	VerticalLineVector
typedef std::vector< SingleLine >	Lines
	vector of extracted lines from image
Enumerations
enum	LineStatus {   valid_line = 0, valid_line_disabled, bad_length, bad_orientation,   bad_curvature }
	enumeration for different line status More...
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)
BImage	edgeMap2linePts (BImage &input)
	marks line point
float	ccdist (int dx, int dy)
float	eudist (int dx, int dy)
double	CtoAcc (vector< Point2D > &pts, int start, int count, double &C, double &A)
double	CtoAeu (vector< Point2D > &pts, int start, int count, double &C, double &A)
float	scurv (Point2D &l, Point2D &m, Point2D &r)
void	vcurv (Point2D &l, Point2D &m, Point2D &r, float &vx, float &vy)
int	lineFilter (vector< Point2D > &pts, int lmin, double flpix, double xcen, double ycen)
int	linePts2lineList (BImage &img, int minsize, double flpix, Lines &lines)
	converts a linePts image to a list of lines

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Typedef Documentation

typedef std::vector<SingleLine> HuginLines::Lines

vector of extracted lines from image Definition at line 50 of file LinesTypes.h. Referenced by _getVerticalLines(), and findLines().

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

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

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Enumeration Type Documentation

enum LineStatus

enumeration for different line status Enumeration values: valid_line  valid_line_disabled  bad_length  bad_orientation  bad_curvature  Definition at line 33 of file LinesTypes.h.

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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(), detectEdges(), HuginBase::ControlPoint::error, FilterLines(), 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, 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(), VerticalLineVector, HuginBase::ControlPoint::x1, HuginBase::ControlPoint::x2, HuginBase::ControlPoint::y1, and HuginBase::ControlPoint::y2. Referenced by 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 findLines().

float ccdist (  int  dx, int  dy )  [inline]

Definition at line 276 of file FindN8Lines.cpp. References celeste::max(), and celeste::min(). Referenced by CtoAcc(), and linePts2lineList().

double CtoAcc (  vector< Point2D > &  pts, int  start, int  count, double &  C, double &  A )  [static]

Definition at line 290 of file FindN8Lines.cpp. References ccdist().

double CtoAeu (  vector< Point2D > &  pts, int  start, int  count, double &  C, double &  A )  [static]

Definition at line 312 of file FindN8Lines.cpp. References eudist().

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(), resize_image(), vigra_ext::srcImageRange(), and threshold(). Referenced by _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(), resize_image(), vigra_ext::srcImageRange(), and threshold().

BImage edgeMap2linePts (  vigra::BImage &  input  )

marks line point Parameters: input  input image (should be black edges on white background) Returns: image with marked lines (background = 0, end points = 1, interior points = 2) Definition at line 48 of file FindN8Lines.cpp. References N8_bg. Referenced by findLines().

float eudist (  int  dx, int  dy )  [inline]

Definition at line 283 of file FindN8Lines.cpp. Referenced by CtoAeu().

VerticalLineVector FilterLines (  Lines  lines, double  roll )

Definition at line 225 of file FindLines.cpp. References DEG_TO_RAD, HuginLines::VerticalLine::end, FitLine(), HuginLines::VerticalLine::start, valid_line, and VerticalLineVector. Referenced by _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 calculate_focal_length_pixels(), edgeMap2linePts(), linePts2lineList(), and Lines. Referenced by _getVerticalLines().

VerticalLine FitLine (  SingleLine  line  )

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

int lineFilter (  vector< Point2D > &  pts, int  lmin, double  flpix, double  xcen, double  ycen )  [static]

Definition at line 365 of file FindN8Lines.cpp. Referenced by linePts2lineList().

int linePts2lineList (  vigra::BImage &  img, int  minsize, double  flPix, Lines &  lines )

converts a linePts image to a list of lines Parameters: img  lineimage minsize  minimum length of line given in flPix  focal length in pixel (determines the maximal allowed curvature of the line) lines  detected lines Returns: number of detected lines Definition at line 445 of file FindN8Lines.cpp. References ccdist(), HuginLines::SingleLine::line, lineFilter(), and HuginLines::SingleLine::status. Referenced by findLines().

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 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().

float scurv (  Point2D &  l, Point2D &  m, Point2D &  r )  [inline]

Definition at line 336 of file FindN8Lines.cpp.

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

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

void vcurv (  Point2D &  l, Point2D &  m, Point2D &  r, float &  vx, float &  vy )  [inline]

Definition at line 345 of file FindN8Lines.cpp.

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