86 lines
2.5 KiB
Text
86 lines
2.5 KiB
Text
|
// test routines - faster to compile
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include "pgm2asc.h"
|
||
|
|
#include "unicode.h"
|
||
|
|
#include "amiga.h"
|
||
|
|
#include "gocr.h"
|
||
|
|
|
||
|
|
// for learn_mode/analyze_mode high, with, yoffset, num of pattern_i,
|
||
|
|
// - holes (center,radius in relative coordinates) etc. => cluster analyze
|
||
|
|
// num_hole => min-volume, tolerance border
|
||
|
|
// pattern: @@ @. @@
|
||
|
|
// .@ @. ..
|
||
|
|
// regular filter for large resolutions to make edges more smooth (on boxes)
|
||
|
|
// extra-filter (only if not recognized?)
|
||
|
|
// map + same color to (#==change)
|
||
|
|
// - anti color
|
||
|
|
// . not used
|
||
|
|
// strongest neighbour pixels (3x3) => directions
|
||
|
|
// second/third run with more and more tolerance!?
|
||
|
|
|
||
|
|
/* FIXME jb: following is unused */
|
||
|
|
#if 0
|
||
|
|
struct lobj { // line-object (for fitting to near lines)
|
||
|
|
int x0,y0; // starting point (left up)
|
||
|
|
int x1,y1; // end point (right down)
|
||
|
|
int mt; // minimum thickness
|
||
|
|
int q; // quality, overlapp
|
||
|
|
};
|
||
|
|
|
||
|
|
/* FIXME jb global */
|
||
|
|
struct lobj obj1;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// that is the first draft of feature extraction
|
||
|
|
// detect main lines and bows
|
||
|
|
// seems bad implemented, looking for better algorithms (ToDo: use autotrace)
|
||
|
|
#define MAXL 10
|
||
|
|
void ocr2(pix *b,int cs){
|
||
|
|
int x1,y1,x2,y2,l,i,j,xa[MAXL],ya[MAXL],xb[MAXL],yb[MAXL],ll[MAXL];
|
||
|
|
for(i=0;i<MAXL;i++)xa[i]=ya[i]=xb[i]=yb[i]=ll[i]=0;
|
||
|
|
for(x1=0;x1<b->x;x1++) // very slowly, but simple to program
|
||
|
|
for(y1=0;y1<b->y;y1++) // brute force
|
||
|
|
for(x2=0;x2<b->x;x2++)
|
||
|
|
for(y2=y1+1;y2<b->y;y2++)
|
||
|
|
{
|
||
|
|
if( get_line2(x1,y1,x2,y2,b,cs,100)>99 )
|
||
|
|
{ // line ???
|
||
|
|
l=(x2-x1)*(x2-x1)+(y2-y1)*(y2-y1); // len
|
||
|
|
for(i=0;i<MAXL;i++)
|
||
|
|
{ // remove similar lines (same middle point) IMPROVE IT !!!!!! ???
|
||
|
|
if(
|
||
|
|
abs(x1+x2-xa[i]-xb[i])<1+b->x/2
|
||
|
|
&& abs(y1+y2-ya[i]-yb[i])<1+b->y/2
|
||
|
|
&& abs(y1-ya[i])<1+b->y/4
|
||
|
|
&& abs(x1-xa[i])<1+b->x/4
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if( l>ll[i] )
|
||
|
|
{
|
||
|
|
for(j=i;j<MAXL-1;j++)
|
||
|
|
{ // shift table
|
||
|
|
xa[j]=xa[j+1];ya[j]=ya[j+1];
|
||
|
|
xb[j]=xb[j+1];yb[j]=yb[j+1];ll[j]=ll[j+1];
|
||
|
|
}
|
||
|
|
ll[MAXL-1]=0;
|
||
|
|
}
|
||
|
|
else break; // forget it if shorter
|
||
|
|
}
|
||
|
|
if( l>ll[i] ){ // insert if larger
|
||
|
|
for(j=MAXL-1;j>i;j--){ // shift table
|
||
|
|
xa[j]=xa[j-1];ya[j]=ya[j-1];
|
||
|
|
xb[j]=xb[j-1];yb[j]=yb[j-1];ll[j]=ll[j-1];
|
||
|
|
}
|
||
|
|
xa[i]=x1;ya[i]=y1;xb[i]=x2;yb[i]=y2;ll[i]=l;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
for(i=0;i<MAXL;i++){
|
||
|
|
printf(" %2d %2d %2d %2d %3d\n",xa[i],ya[i],xb[i],yb[i],ll[i]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|