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/*====================================================================*
- Copyright (C) 2001 Leptonica. All rights reserved.
- This software is distributed in the hope that it will be
- useful, but with NO WARRANTY OF ANY KIND.
- No author or distributor accepts responsibility to anyone for the
- consequences of using this software, or for whether it serves any
- particular purpose or works at all, unless he or she says so in
- writing. Everyone is granted permission to copy, modify and
- redistribute this source code, for commercial or non-commercial
- purposes, with the following restrictions: (1) the origin of this
- source code must not be misrepresented; (2) modified versions must
- be plainly marked as such; and (3) this notice may not be removed
- or altered from any source or modified source distribution.
*====================================================================*/
/*
* flipdetect_reg.c
*
* Tests 90 degree orientation of text and whether the text is
* mirror reversed. Compares the rasterop with dwa implementations
* for speed. Shows the typical 'confidence' outputs from the
* functions in flipdetect.c.
*/
#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"
static void printStarredMessage(const char *msg);
main(int argc,
char **argv)
{
char *filein;
l_int32 i, orient;
l_float32 upconf1, upconf2, leftconf1, leftconf2, conf1, conf2;
PIX *pixs, *pixt1, *pixt2;
static char mainName[] = "flipdetect_reg";
if (argc != 2)
exit(ERROR_INT(" Syntax: flipdetect_reg filein", mainName, 1));
filein = argv[1];
if ((pixt1 = pixRead(filein)) == NULL)
exit(ERROR_INT("pixt1 not made", mainName, 1));
pixs = pixConvertTo1(pixt1, 130);
pixDestroy(&pixt1);
fprintf(stderr, "\nTest orientation detection\n");
startTimer();
pixOrientDetect(pixs, &upconf1, &leftconf1, 0, 0);
fprintf(stderr, "Time for rop orient test: %7.3f sec\n", stopTimer());
makeOrientDecision(upconf1, leftconf1, 0, 0, &orient, 1);
startTimer();
pixOrientDetectDwa(pixs, &upconf2, &leftconf2, 0, 0);
fprintf(stderr, "Time for dwa orient test: %7.3f sec\n", stopTimer());
if (upconf1 == upconf2 && leftconf1 == leftconf2) {
printStarredMessage("Orient results identical");
fprintf(stderr, "upconf = %7.3f, leftconf = %7.3f\n",
upconf1, leftconf1);
}
else {
printStarredMessage("Orient results differ");
fprintf(stderr, "upconf1 = %7.3f, upconf2 = %7.3f\n", upconf1, upconf2);
fprintf(stderr, "leftconf1 = %7.3f, leftconf2 = %7.3f\n",
leftconf1, leftconf2);
}
pixt1 = pixCopy(NULL, pixs);
fprintf(stderr, "\nTest orient detection for 4 orientations\n");
for (i = 0; i < 4; i++) {
pixOrientDetectDwa(pixt1, &upconf2, &leftconf2, 0, 0);
makeOrientDecision(upconf2, leftconf2, 0, 0, &orient, 1);
if (i == 3) break;
pixt2 = pixRotate90(pixt1, 1);
pixDestroy(&pixt1);
pixt1 = pixt2;
}
pixDestroy(&pixt1);
fprintf(stderr, "\nTest mirror reverse detection\n");
startTimer();
pixMirrorDetect(pixs, &conf1, 0, 1);
fprintf(stderr, "Time for rop mirror flip test: %7.3f sec\n", stopTimer());
startTimer();
pixMirrorDetectDwa(pixs, &conf2, 0, 0);
fprintf(stderr, "Time for dwa mirror flip test: %7.3f sec\n", stopTimer());
if (conf1 == conf2) {
printStarredMessage("Mirror results identical");
fprintf(stderr, "conf = %7.3f\n", conf1);
}
else {
printStarredMessage("Mirror results differ");
fprintf(stderr, "conf1 = %7.3f, conf2 = %7.3f\n", conf1, conf2);
}
fprintf(stderr, "\nOnce more for up-down test\n");
pixUpDownDetect(pixs, &conf1, 0, 1);
pixDestroy(&pixs);
exit(0);
}
void
printStarredMessage(const char *msg)
{
fprintf(stderr, "****************************************************\n");
fprintf(stderr, "*********** %s ***********\n", msg);
fprintf(stderr, "****************************************************\n");
return;
}
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