mr_lag.h File Reference

#include <mr_vector.h>
#include <mr_image.h>
#include <mr_lag_segment.h>
#include <mr_lag_section.h>
#include <mr_lag_junction.h>
#include <mr_lag_component.h>
#include <mr_line.h>

Go to the source code of this file.

Data Structures
struct	MrLag
	the LAG More...
Processing on the lag
short int	mr_lag_extract_segments (MrLag *, MrImage *)
void	mr_lag_build_lag (MrLag *lag)
void	mr_lag_filament_detection (MrLag *lag)
void	mr_lag_build_chain (MrLag *lag)
void	mr_lag_build_staff_line (MrLag *lag, MrVector *lines)
void	mr_lag_remove_filaments_in_staff_line (MrLag *lag, unsigned int y)
void	mr_lag_remove_filaments_in_staff_lines (MrLag *lag, MrVector *lines)
void	mr_lag_bar_detection (MrImage *image, MrLine *bb)
void	mr_lag_extract_component (MrLag *lag, MrVector *components)
Auxiliary methods
void	mr_lag_add_segment (MrLag *lag, MrLagSegment *segment, unsigned int j)
MrLagSection *	mr_lag_add_section (MrLag *lag, MrLagSegment *segment)
MrLagJunction *	mr_lag_create_junction (MrLag *lag, MrLagSection *left_section, MrLagSection *right_section)
unsigned int	length_chain (MrVector *chain)
unsigned int	mr_lag_chain_horizontal_line (MrVector *chain)
void	mr_lag_remove_sections_on_image (MrLag *lag, MrImage *img)
void	mr_lag_remove_section_on_image (MrLag *lag, MrLagSection *section, MrImage *img)
void	mr_lag_remove_segment_on_image (MrLag *lag, MrLagSegment *segment, MrImage *img)
Typedefs
typedef MrLag	MrLag
Functions
MrLag *	mr_lag_new (unsigned int w, unsigned int h)
void	mr_lag_free (void *p)

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Typedef Documentation

typedef struct MrLag MrLag

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Function Documentation

unsigned int length_chain (  MrVector *  chain  )

length of a chain chain : vector of section

MrLagSection* mr_lag_add_section (  MrLag *  lag, MrLagSegment *  segment )

Add a new section to the LAG : section with for first segment 'segment'

void mr_lag_add_segment (  MrLag *  lag, MrLagSegment *  segment, unsigned int  j )

Add a segment to the LAG : segment extract from the column j

void mr_lag_bar_detection (  MrImage *  image, MrLine *  bb )

void mr_lag_build_chain (  MrLag *  lag  )

Link filaments to create chain

void mr_lag_build_lag (  MrLag *  lag  )

Build sections and jonctions

void mr_lag_build_staff_line (  MrLag *  lag, MrVector *  lines )

Build lines from chain and group them to form score lines : vector of vector of lines

unsigned int mr_lag_chain_horizontal_line (  MrVector *  chain  )

return the y coordinate of the horizontal line associate to a chain. Compute by using the mean of each component of the chain

MrLagJunction* mr_lag_create_junction (  MrLag *  lag, MrLagSection *  left_section, MrLagSection *  right_section )

Add a junction between two section

void mr_lag_extract_component (  MrLag *  lag, MrVector *  components )

Group section by connected component

short int mr_lag_extract_segments (  MrLag *  , MrImage *  )

Extract the segments from an image

void mr_lag_filament_detection (  MrLag *  lag  )

Mark section as filament according to their height and length

void mr_lag_free (  void *  p  )

Destroy the lag structure : Destroys the segment, section, junction, ...

MrLag* mr_lag_new (  unsigned int  w, unsigned int  h )

Init the structure for the lag for an image of size (w, h)

void mr_lag_remove_filaments_in_staff_line (  MrLag *  lag, unsigned int  y )

remove filament around line at position y

void mr_lag_remove_filaments_in_staff_lines (  MrLag *  lag, MrVector *  lines )

remove filaments around a set of group of horizontal lines lines : a vector of vector of lines

void mr_lag_remove_section_on_image (  MrLag *  lag, MrLagSection *  section, MrImage *  img )

set the pixels of the section to 255

void mr_lag_remove_sections_on_image (  MrLag *  lag, MrImage *  img )

set the pixels of the sections with removed = 2 to 255

void mr_lag_remove_segment_on_image (  MrLag *  lag, MrLagSegment *  segment, MrImage *  img )

set on the image the pixel of the segment to 255

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