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ho_array.h
Langue: en
Version: 164569 (fedora - 05/07/09)
Section: 3 (Bibliothèques de fonctions)
Sommaire
- NAME
- SYNOPSIS
- Detailed Description
- Define Documentation
- Function Documentation
- ho_array* ho_array_new (const int width, const int height)
- ho_array* ho_array_clone (const ho_array * m)
- int ho_array_set_data (ho_array * pix, double data)
- int ho_array_set_at (ho_array * pix, int x, int y, double data)
- double ho_array_get_at (ho_array * pix, int x, int y)
- ho_array* ho_array_new_from_pixbuf (const ho_pixbuf * pix)
- ho_array* ho_array_new_from_bitmap (const ho_bitmap * pix)
- ho_pixbuf* ho_array_to_pixbuf (const ho_array * pix_in)
- ho_pixbuf* ho_array_to_rgb_pixbuf (const ho_array * pix_in)
- int ho_array_free (ho_array * pix)
- unsigned char ho_array_minmax (const ho_array * pix, double * min, double * max)
- double ho_array_get_mean (const ho_array * pix)
- double ho_array_get_min (const ho_array * pix)
- double ho_array_get_max (const ho_array * pix)
- unsigned char ho_array_add (ho_array * ar1, const ho_array * ar2)
- unsigned char ho_array_add_const (ho_array * ar, const double num)
- unsigned char ho_array_sub (ho_array * ar1, const ho_array * ar2)
- unsigned char ho_array_mul (ho_array * ar1, const ho_array * ar2)
- unsigned char ho_array_complex_mul (ho_array * ar1_r, ho_array * ar1_i, const ho_array * ar2_r, const ho_array * ar2_i)
- unsigned char ho_array_mul_const (ho_array * ar, const double num)
- unsigned char ho_array_div (ho_array * ar1, const ho_array * ar2)
- unsigned char ho_array_inv (ho_array * ar)
- unsigned char ho_array_polerize (ho_array * ar, const double treshold)
- unsigned char ho_array_log (ho_array * ar)
- unsigned char ho_array_streach (ho_array * ar)
- unsigned char ho_array_equl (ho_array * ar)
- ho_array* ho_array_convolution_filter (const ho_array * ar, const ho_array * kernel)
- ho_array* ho_array_median_filter (const ho_array * ar)
- ho_array* ho_array_max_filter (const ho_array * ar)
- ho_array* ho_array_min_filter (const ho_array * ar)
- ho_array* ho_array_complex_abs (const ho_array * ar_r, const ho_array * ar_i)
- ho_array* ho_array_complex_atan2 (const ho_array * ar_r, const ho_array * ar_i)
- unsigned char ho_array_gradient (const ho_array * ar, ho_array * ar_r, ho_array * ar_theta)
- ho_array* ho_array_hough_circles (const ho_array * ar, const int min_radius, const int max_radius, const unsigned char threshold)
- ho_array* ho_array_hough_lines (const ho_array * ar, const unsigned char threshold)
- ho_array* ho_array_hough_lines_backwords (const ho_array * ar, const int width, const int height, const unsigned char threshold)
- ho_array* ho_array_hough_lines_backwords_by_angle (const ho_array * ar, const int width, const int height, const int angle1, const int angle2)
- ho_array* ho_array_hough_lines_backwords_by_angle_v (const ho_array * ar, const int width, const int height, const int angle1, const int angle2)
- unsigned char ho_array_fft_forword (const ho_array * ar, ho_array * ar_r, ho_array * ar_im)
- unsigned char ho_array_fft_backword (const ho_array * ar_r, const ho_array * ar_im, ho_array * ar)
- unsigned char ho_array_fft_shift (const ho_array * ar_r, const ho_array * ar_im, ho_array * shift_ar_r, ho_array * shift_ar_im)
- unsigned char ho_array_fft_filter (ho_array * ar, const ho_array * ar_filter)
- unsigned char ho_array_fft_filter_box (ho_array * ar, const int box_width, const int box_height)
- unsigned char ho_array_fft_filter_circle (ho_array * ar, const int radius)
- unsigned char ho_array_fft_filter_gaussien (ho_array * ar, const double sigma)
- int ho_array_pnm_save (const ho_array * ar, const char * filename)
- const ho_array* ho_array_pnm_load (const char * filename)
- int ho_array_tiff_save (const ho_array * ar, const char * filename)
- const ho_array* ho_array_tiff_load (const char * filename)
- ho_array* ho_array_new_gaussien (const int width, const int height, const double sigma)
- ho_array* ho_array_new_box (const int width, const int height, const int box_width, const int box_height)
- ho_array* ho_array_new_circle (const int width, const int height, const int radius)
- Author
NAME
src/ho_array.h - libhocr C language header.SYNOPSIS
#include <ho_pixbuf.h>
#include <ho_bitmap.h>
Data Structures
struct ho_array
libhocr array struct
Defines
#define HO_ARRAY_H 1
#define ho_array_set(m, x, y, val) (((m)->data)[(x)+(y)*(m)->width]=(val))
#define ho_array_get(m, x, y) (((m)->data)[(x)+(y)*(m)->width])
#define ho_array_get_width(m) ((m)->width)
#define ho_array_get_height(m) ((m)->height)
#define ho_array_get_data(m) ((m)->data)
Functions
ho_array * ho_array_new (const int width, const int height)
ho_array * ho_array_clone (const ho_array *m)
int ho_array_set_data (ho_array *pix, double data)
int ho_array_set_at (ho_array *pix, int x, int y, double data)
double ho_array_get_at (ho_array *pix, int x, int y)
ho_array * ho_array_new_from_pixbuf (const ho_pixbuf *pix)
ho_array * ho_array_new_from_bitmap (const ho_bitmap *pix)
ho_pixbuf * ho_array_to_pixbuf (const ho_array *pix_in)
ho_pixbuf * ho_array_to_rgb_pixbuf (const ho_array *pix_in)
int ho_array_free (ho_array *pix)
unsigned char ho_array_minmax (const ho_array *pix, double *min, double *max)
double ho_array_get_mean (const ho_array *pix)
double ho_array_get_min (const ho_array *pix)
double ho_array_get_max (const ho_array *pix)
unsigned char ho_array_add (ho_array *ar1, const ho_array *ar2)
unsigned char ho_array_add_const (ho_array *ar, const double num)
unsigned char ho_array_sub (ho_array *ar1, const ho_array *ar2)
unsigned char ho_array_mul (ho_array *ar1, const ho_array *ar2)
unsigned char ho_array_complex_mul (ho_array *ar1_r, ho_array *ar1_i, const ho_array *ar2_r, const ho_array *ar2_i)
unsigned char ho_array_mul_const (ho_array *ar, const double num)
unsigned char ho_array_div (ho_array *ar1, const ho_array *ar2)
unsigned char ho_array_inv (ho_array *ar)
unsigned char ho_array_polerize (ho_array *ar, const double treshold)
unsigned char ho_array_log (ho_array *ar)
unsigned char ho_array_streach (ho_array *ar)
unsigned char ho_array_equl (ho_array *ar)
ho_array * ho_array_convolution_filter (const ho_array *ar, const ho_array *kernel)
ho_array * ho_array_median_filter (const ho_array *ar)
ho_array * ho_array_max_filter (const ho_array *ar)
ho_array * ho_array_min_filter (const ho_array *ar)
ho_array * ho_array_complex_abs (const ho_array *ar_r, const ho_array *ar_i)
ho_array * ho_array_complex_atan2 (const ho_array *ar_r, const ho_array *ar_i)
unsigned char ho_array_gradient (const ho_array *ar, ho_array *ar_r, ho_array *ar_theta)
ho_array * ho_array_hough_circles (const ho_array *ar, const int min_radius, const int max_radius, const unsigned char threshold)
ho_array * ho_array_hough_lines (const ho_array *ar, const unsigned char threshold)
ho_array * ho_array_hough_lines_backwords (const ho_array *ar, const int width, const int height, const unsigned char threshold)
ho_array * ho_array_hough_lines_backwords_by_angle (const ho_array *ar, const int width, const int height, const int angle1, const int angle2)
ho_array * ho_array_hough_lines_backwords_by_angle_v (const ho_array *ar, const int width, const int height, const int angle1, const int angle2)
unsigned char ho_array_fft_forword (const ho_array *ar, ho_array *ar_r, ho_array *ar_im)
unsigned char ho_array_fft_backword (const ho_array *ar_r, const ho_array *ar_im, ho_array *ar)
unsigned char ho_array_fft_shift (const ho_array *ar_r, const ho_array *ar_im, ho_array *shift_ar_r, ho_array *shift_ar_im)
unsigned char ho_array_fft_filter (ho_array *ar, const ho_array *ar_filter)
unsigned char ho_array_fft_filter_box (ho_array *ar, const int box_width, const int box_height)
unsigned char ho_array_fft_filter_circle (ho_array *ar, const int radius)
unsigned char ho_array_fft_filter_gaussien (ho_array *ar, const double sigma)
int ho_array_pnm_save (const ho_array *ar, const char *filename)
const ho_array * ho_array_pnm_load (const char *filename)
int ho_array_tiff_save (const ho_array *ar, const char *filename)
const ho_array * ho_array_tiff_load (const char *filename)
ho_array * ho_array_new_gaussien (const int width, const int height, const double sigma)
ho_array * ho_array_new_box (const int width, const int height, const int box_width, const int box_height)
ho_array * ho_array_new_circle (const int width, const int height, const int radius)
Detailed Description
libhocr C language header.
libhocr - LIBrary for Hebrew Optical Character Recognition
Define Documentation
#define HO_ARRAY_H 1
#define ho_array_set(m, x, y, val) (((m)->data)[(x)+(y)*(m)->width]=(val))
#define ho_array_get(m, x, y) (((m)->data)[(x)+(y)*(m)->width])
#define ho_array_get_width(m) ((m)->width)
#define ho_array_get_height(m) ((m)->height)
#define ho_array_get_data(m) ((m)->data)
Function Documentation
ho_array* ho_array_new (const int width, const int height)
new ho_array
Parameters:
- height hight of pixbuf in pixels
width width of pixbuf in pixels
Returns:
- newly allocated ho_array
ho_array* ho_array_clone (const ho_array * m)
clone ho_array
Parameters:
- m pointer to a ho_array image
Returns:
- newly allocated gray ho_array
int ho_array_set_data (ho_array * pix, double data)
copy pixel data to a ho_array
Parameters:
- pix pointer to a ho_array image
data the pixel data to copy
Returns:
- false
int ho_array_set_at (ho_array * pix, int x, int y, double data)
copy pixel data to a ho_array
Parameters:
- pix pointer to a ho_array image
data the pixel data to copy
x the pixel x
y the pixel y
Returns:
- false
double ho_array_get_at (ho_array * pix, int x, int y)
get pixel data from a ho_array
Parameters:
- pix pointer to a ho_array image
x the pixel x
y the pixel y
Returns:
- false
ho_array* ho_array_new_from_pixbuf (const ho_pixbuf * pix)
new ho_array from ho_pixbuf
Parameters:
- pix pointer to an ho_pixbuf image
Returns:
- newly allocated ho_array
ho_array* ho_array_new_from_bitmap (const ho_bitmap * pix)
new ho_array from ho_bitmap
Parameters:
- pix pointer to an ho_bitmap image
Returns:
- newly allocated ho_array
ho_pixbuf* ho_array_to_pixbuf (const ho_array * pix_in)
new gray ho_pixbuf from ho_array
Parameters:
- pix_in pointer the original array
Returns:
- newly allocated gray ho_pixbuf
ho_pixbuf* ho_array_to_rgb_pixbuf (const ho_array * pix_in)
new rgb ho_pixbuf from ho_array
Parameters:
- pix_in pointer the original array
Returns:
- newly allocated gray ho_pixbuf
int ho_array_free (ho_array * pix)
free an ho_array
Parameters:
- pix pointer to an ho_array
Returns:
- FALSE
unsigned char ho_array_minmax (const ho_array * pix, double * min, double * max)
get the min and max values in a array
Parameters:
- pix ho_array
min a pointer to return the min
max a pointer to return the max
Returns:
- FALSE
double ho_array_get_mean (const ho_array * pix)
get the mean value in a array
Parameters:
- pix ho_array
Returns:
- min value
double ho_array_get_min (const ho_array * pix)
get the min value in a array
Parameters:
- pix ho_array
Returns:
- min value
double ho_array_get_max (const ho_array * pix)
get the max value in a array
Parameters:
- pix ho_array
Returns:
- max value
unsigned char ho_array_add (ho_array * ar1, const ho_array * ar2)
add two ho arrays
Parameters:
- ar1 left side ho_array
ar2 right side ho_array
Returns:
- FALSE
unsigned char ho_array_add_const (ho_array * ar, const double num)
add const to ho arrays
Parameters:
- ar left side ho_array
num a number to add to array
Returns:
- FALSE
unsigned char ho_array_sub (ho_array * ar1, const ho_array * ar2)
subtruct two ho arrays
Parameters:
- ar1 left side ho_array
ar2 right side ho_array
Returns:
- FALSE
unsigned char ho_array_mul (ho_array * ar1, const ho_array * ar2)
multiply two ho arrays
Parameters:
- ar1 left side ho_array
ar2 right side ho_array
Returns:
- FALSE
unsigned char ho_array_complex_mul (ho_array * ar1_r, ho_array * ar1_i, const ho_array * ar2_r, const ho_array * ar2_i)
multiply two ho real and imagenary ho_arrays pairs
Parameters:
- ar1_r left side ho_array real part
ar1_i left side ho_array imagenaryl part
ar2_r right side ho_array real part
ar2_i right side ho_array imagenary part
Returns:
- FALSE
unsigned char ho_array_mul_const (ho_array * ar, const double num)
multiply const to ho arrays
Parameters:
- ar left side ho_array
num a number to multiply to array
Returns:
- FALSE
unsigned char ho_array_div (ho_array * ar1, const ho_array * ar2)
divide two ho arrays
Parameters:
- ar1 left side ho_array
ar2 right side ho_array
Returns:
- FALSE
unsigned char ho_array_inv (ho_array * ar)
inverse ho array
Parameters:
- ar ho_array
Returns:
- FALSE
unsigned char ho_array_polerize (ho_array * ar, const double treshold)
polerize ho array
Parameters:
- ar ho_array
Returns:
- FALSE
unsigned char ho_array_log (ho_array * ar)
do log (ho array + 1)
Parameters:
- ar ho_array
Returns:
- FALSE
unsigned char ho_array_streach (ho_array * ar)
streach 0..1
Parameters:
- ar ho_array
Returns:
- FALSE
unsigned char ho_array_equl (ho_array * ar)
histogram equalization 0..1
Parameters:
- ar ho_array
Returns:
- FALSE
ho_array* ho_array_convolution_filter (const ho_array * ar, const ho_array * kernel)
convolution
Parameters:
- ar the ho_array to us for the convolution
kernel a 3x3 kernel ho_array
Returns:
- newly allocated ho array
ho_array* ho_array_median_filter (const ho_array * ar)
median
Parameters:
- ar the ho_array to us for median filter
Returns:
- newly allocated ho array
ho_array* ho_array_max_filter (const ho_array * ar)
max filter
Parameters:
- ar the ho_array to us for max filter
Returns:
- newly allocated ho array
ho_array* ho_array_min_filter (const ho_array * ar)
min filter
Parameters:
- ar the ho_array to us for max filter
Returns:
- newly allocated ho array
ho_array* ho_array_complex_abs (const ho_array * ar_r, const ho_array * ar_i)
absulute value
Parameters:
- ar_r real part ho_array
ar_i imagenary part ho_array
Returns:
- newly allocated ho array
ho_array* ho_array_complex_atan2 (const ho_array * ar_r, const ho_array * ar_i)
atan2
Parameters:
- ar_r real part ho_array
ar_i imagenary part ho_array
Returns:
- newly allocated ho array
unsigned char ho_array_gradient (const ho_array * ar, ho_array * ar_r, ho_array * ar_theta)
gradient
Parameters:
- ar the ho_array to us for gradient detection
ar_r return the r value of the gradient
ar_theta return the theta value of the gradient
Returns:
- FALSE
ho_array* ho_array_hough_circles (const ho_array * ar, const int min_radius, const int max_radius, const unsigned char threshold)
hough trasform for circles
Parameters:
- ar the ho_array to us for gradient detection
min_radius the circles min radius
max_radius the circles max radius
threshold the min value to use in the gradient matrix percent
Returns:
- the transformed matrix
ho_array* ho_array_hough_lines (const ho_array * ar, const unsigned char threshold)
hough trasform for lines
Parameters:
- ar the ho_array to use for gradient detection
threshold the min value to use in the gradient matrix percent
Returns:
- the transformed matrix
ho_array* ho_array_hough_lines_backwords (const ho_array * ar, const int width, const int height, const unsigned char threshold)
backwords hough trasform for lines
Parameters:
- ar the ho_array to use for backword hough
width the array height
height the array height
Returns:
- the backword transformed matrix
ho_array* ho_array_hough_lines_backwords_by_angle (const ho_array * ar, const int width, const int height, const int angle1, const int angle2)
backwords hough trasform for lines by angle
Parameters:
- ar the ho_array to use for backword hough
width the array height
height the array height
angle1 start line angle
angle2 end line angle
Returns:
- FALSE
ho_array* ho_array_hough_lines_backwords_by_angle_v (const ho_array * ar, const int width, const int height, const int angle1, const int angle2)
backwords hough trasform for lines by vertical angle
Parameters:
- ar the ho_array to use for backword hough
width the array height
height the array height
angle1 start line angle
angle2 end line angle
Returns:
- FALSE
unsigned char ho_array_fft_forword (const ho_array * ar, ho_array * ar_r, ho_array * ar_im)
fft_forword
Parameters:
- ar the ho_array to us for fft
ar_re the output real values
ar_im the output imaginary values
Returns:
- FALSE
unsigned char ho_array_fft_backword (const ho_array * ar_r, const ho_array * ar_im, ho_array * ar)
fft_backword
Parameters:
- ar_re input array of the real values
ar_im input array of the imaginary values
ar the output ho_array
Returns:
- FALSE
unsigned char ho_array_fft_shift (const ho_array * ar_r, const ho_array * ar_im, ho_array * shift_ar_r, ho_array * shift_ar_im)
fft_shift
Parameters:
- ar_re input array of the real values
ar_im input array of the imaginary values
shift_ar_re output array of the real values
shift_ar_im output array of the imaginary values
Returns:
- FALSE
unsigned char ho_array_fft_filter (ho_array * ar, const ho_array * ar_filter)
fft_filter - applay a filter in w space
Parameters:
- ar input array
ar_filter input array of the filter
Returns:
- FALSE
unsigned char ho_array_fft_filter_box (ho_array * ar, const int box_width, const int box_height)
fft_filter - applay a box filter in w space
Parameters:
- ar input array
box_height height of box
box_width width of box
Returns:
- FALSE
unsigned char ho_array_fft_filter_circle (ho_array * ar, const int radius)
fft_filter - applay a circle filter in w space
Parameters:
- ar input array
radius radius of circle
Returns:
- FALSE
unsigned char ho_array_fft_filter_gaussien (ho_array * ar, const double sigma)
fft_filter - applay a gaussien filter in w space
Parameters:
- ar input array
sigma of gaussien
Returns:
- FALSE
int ho_array_pnm_save (const ho_array * ar, const char * filename)
writes ho_array to pnm file
Parameters:
- ar ho_array to save as gray image
filename save as file name
Returns:
- FALSE
const ho_array* ho_array_pnm_load (const char * filename)
load ho_array from pnm file
Parameters:
- filename save as file name
Returns:
- new ho_array
int ho_array_tiff_save (const ho_array * ar, const char * filename)
writes ho_array to tiff file
Parameters:
- ar ho_array to save as gray image
filename save as file name
Returns:
- FALSE
const ho_array* ho_array_tiff_load (const char * filename)
load ho_array from tiff file
Parameters:
- filename save as file name
Returns:
- new ho_array
ho_array* ho_array_new_gaussien (const int width, const int height, const double sigma)
new ho_array init to gaussian
Parameters:
- height hight of pixbuf in pixels
width width of pixbuf in pixels
sigma the sigma to use in the gaussien
Returns:
- newly allocated ho_array
ho_array* ho_array_new_box (const int width, const int height, const int box_width, const int box_height)
new ho_array init to box
Parameters:
- height hight of pixbuf in pixels
width width of pixbuf in pixels
box_height height of box
box_width width of box
Returns:
- newly allocated ho_array
ho_array* ho_array_new_circle (const int width, const int height, const int radius)
new ho_array init to circle
Parameters:
- height hight of pixbuf in pixels
width width of pixbuf in pixels
radius radius of circle
Returns:
- newly allocated ho_array
Author
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Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre