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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.
*====================================================================*/
/*
* binmorph1_reg.c
*
* This is a thorough regression test of different methods for
* doing binary morphology. It should always be run if changes
* are made to the low-level morphology code.
*
* Some things to note:
*
* (1) We add a white border to guarantee safe closing; i.e., that
* closing is extensive for ASYMMETRIC_MORPH_BC. The separable
* sequence for closing is not safe, so if we didn't add the border
* ab initio, we would get different results for the atomic sequence
* closing (which is safe) and the separable one.
*
* (2) There are no differences in any of the operations:
* rasterop general
* rasterop brick
* morph sequence rasterop brick
* dwa brick
* morph sequence dwa brick
* morph sequence dwa composite brick
* when using ASYMMETRIC_MORPH_BC.
* However, when using SYMMETRIC_MORPH_BC, there are differences
* in two of the safe closing operations. These differences
* are in pix numbers 4 and 5. These differences are
* all due to the fact that for SYMMETRIC_MORPH_BC, we don't need
* to add any borders to get the correct answer. When we do
* add a border of 0 pixels, we naturally get a different result.
*
* (3) The 2-way Sel decomposition functions, implemented with the
* separable brick interface, are tested separately against
* the rasterop brick. See binmorph2_reg.c.
*/
#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"
/* set these ad lib. */
#define WIDTH 21 /* brick sel width */
#define HEIGHT 15 /* brick sel height */
#define TEST_SYMMETRIC 0 /* set to 1 to set symmetric b.c.;
otherwise, it tests asymmetric b.c. */
main(int argc,
char **argv)
{
l_int32 i, ok, same;
char sequence[512];
PIX *pixs, *pixref;
PIX *pixt1, *pixt2, *pixt3, *pixt4, *pixt5, *pixt6;
PIX *pixt7, *pixt8, *pixt9, *pixt10, *pixt11;
PIX *pixt12, *pixt13, *pixt14;
SEL *sel;
static char mainName[] = "binmorph1_reg";
if (argc != 1)
exit(ERROR_INT(" Syntax: binmorph1_reg", mainName, 1));
if ((pixs = pixRead("feyn.tif")) == NULL)
exit(ERROR_INT("pix not made", mainName, 1));
#if TEST_SYMMETRIC
resetMorphBoundaryCondition(SYMMETRIC_MORPH_BC);
#endif /* TEST_SYMMETRIC */
/* This is our test sel */
sel = selCreateBrick(HEIGHT, WIDTH, HEIGHT / 2, WIDTH / 2, SEL_HIT);
/* Dilation */
fprintf(stderr, "Testing dilation\n");
ok = TRUE;
pixref = pixDilate(NULL, pixs, sel); /* new one */
pixt1 = pixCreateTemplate(pixs);
pixDilate(pixt1, pixs, sel); /* existing one */
pixEqual(pixref, pixt1, &same);
if (!same) {
fprintf(stderr, "pixref != pixt1 !\n"); ok = FALSE;
}
pixt2 = pixCopy(NULL, pixs);
pixDilate(pixt2, pixt2, sel); /* in-place */
pixEqual(pixref, pixt2, &same);
if (!same) {
fprintf(stderr, "pixref != pixt2 !\n"); ok = FALSE;
}
sprintf(sequence, "d%d.%d", WIDTH, HEIGHT);
pixt3 = pixMorphSequence(pixs, sequence, 0); /* sequence, atomic */
pixEqual(pixref, pixt3, &same);
if (!same) {
fprintf(stderr, "pixref != pixt3 !\n"); ok = FALSE;
}
sprintf(sequence, "d%d.1 + d1.%d", WIDTH, HEIGHT);
pixt4 = pixMorphSequence(pixs, sequence, 0); /* sequence, separable */
pixEqual(pixref, pixt4, &same);
if (!same) {
fprintf(stderr, "pixref != pixt4 !\n"); ok = FALSE;
}
pixt5 = pixDilateBrick(NULL, pixs, WIDTH, HEIGHT); /* new one */
pixEqual(pixref, pixt5, &same);
if (!same) {
fprintf(stderr, "pixref != pixt5 !\n"); ok = FALSE;
}
pixt6 = pixCreateTemplate(pixs);
pixDilateBrick(pixt6, pixs, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt6, &same);
if (!same) {
fprintf(stderr, "pixref != pixt6 !\n"); ok = FALSE;
}
pixt7 = pixCopy(NULL, pixs);
pixDilateBrick(pixt7, pixt7, WIDTH, HEIGHT); /* in-place */
pixEqual(pixref, pixt7, &same);
if (!same) {
fprintf(stderr, "pixref != pixt7 !\n"); ok = FALSE;
}
pixt8 = pixDilateBrickDwa(NULL, pixs, WIDTH, HEIGHT); /* new one */
pixEqual(pixref, pixt8, &same);
if (!same) {
fprintf(stderr, "pixref != pixt8 !\n"); ok = FALSE;
}
pixt9 = pixCreateTemplate(pixs);
pixDilateBrickDwa(pixt9, pixs, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt9, &same);
if (!same) {
fprintf(stderr, "pixref != pixt9 !\n"); ok = FALSE;
}
pixt10 = pixCopy(NULL, pixs);
pixDilateBrickDwa(pixt10, pixt10, WIDTH, HEIGHT); /* in-place */
pixEqual(pixref, pixt10, &same);
if (!same) {
fprintf(stderr, "pixref != pixt10 !\n"); ok = FALSE;
}
pixt11 = pixCreateTemplate(pixs);
pixDilateCompBrickDwa(pixt11, pixs, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt11, &same);
if (!same) {
fprintf(stderr, "pixref != pixt11 !\n"); ok = FALSE;
}
sprintf(sequence, "d%d.%d", WIDTH, HEIGHT);
pixt12 = pixMorphCompSequence(pixs, sequence, 0); /* comp sequence */
pixEqual(pixref, pixt12, &same);
if (!same) {
fprintf(stderr, "pixref != pixt12!\n"); ok = FALSE;
}
pixt13 = pixMorphSequenceDwa(pixs, sequence, 0); /* dwa sequence */
pixEqual(pixref, pixt13, &same);
if (!same) {
fprintf(stderr, "pixref != pixt13!\n"); ok = FALSE;
}
pixDestroy(&pixref);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixDestroy(&pixt4);
pixDestroy(&pixt5);
pixDestroy(&pixt6);
pixDestroy(&pixt7);
pixDestroy(&pixt8);
pixDestroy(&pixt9);
pixDestroy(&pixt10);
pixDestroy(&pixt11);
pixDestroy(&pixt12);
pixDestroy(&pixt13);
/* Erosion */
fprintf(stderr, "Testing erosion\n");
pixref = pixErode(NULL, pixs, sel); /* new one */
pixt1 = pixCreateTemplate(pixs);
pixErode(pixt1, pixs, sel); /* existing one */
pixEqual(pixref, pixt1, &same);
if (!same) {
fprintf(stderr, "pixref != pixt1 !\n"); ok = FALSE;
}
pixt2 = pixCopy(NULL, pixs);
pixErode(pixt2, pixt2, sel); /* in-place */
pixEqual(pixref, pixt2, &same);
if (!same) {
fprintf(stderr, "pixref != pixt2 !\n"); ok = FALSE;
}
sprintf(sequence, "e%d.%d", WIDTH, HEIGHT);
pixt3 = pixMorphSequence(pixs, sequence, 0); /* sequence, atomic */
pixEqual(pixref, pixt3, &same);
if (!same) {
fprintf(stderr, "pixref != pixt3 !\n"); ok = FALSE;
}
sprintf(sequence, "e%d.1 + e1.%d", WIDTH, HEIGHT);
pixt4 = pixMorphSequence(pixs, sequence, 0); /* sequence, separable */
pixEqual(pixref, pixt4, &same);
if (!same) {
fprintf(stderr, "pixref != pixt4 !\n"); ok = FALSE;
}
pixt5 = pixErodeBrick(NULL, pixs, WIDTH, HEIGHT); /* new one */
pixEqual(pixref, pixt5, &same);
if (!same) {
fprintf(stderr, "pixref != pixt5 !\n"); ok = FALSE;
}
pixt6 = pixCreateTemplate(pixs);
pixErodeBrick(pixt6, pixs, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt6, &same);
if (!same) {
fprintf(stderr, "pixref != pixt6 !\n"); ok = FALSE;
}
pixt7 = pixCopy(NULL, pixs);
pixErodeBrick(pixt7, pixt7, WIDTH, HEIGHT); /* in-place */
pixEqual(pixref, pixt7, &same);
if (!same) {
fprintf(stderr, "pixref != pixt7 !\n"); ok = FALSE;
}
pixt8 = pixErodeBrickDwa(NULL, pixs, WIDTH, HEIGHT); /* new one */
pixEqual(pixref, pixt8, &same);
if (!same) {
fprintf(stderr, "pixref != pixt8 !\n"); ok = FALSE;
}
pixt9 = pixCreateTemplate(pixs);
pixErodeBrickDwa(pixt9, pixs, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt9, &same);
if (!same) {
fprintf(stderr, "pixref != pixt9 !\n"); ok = FALSE;
}
pixt10 = pixCopy(NULL, pixs);
pixErodeBrickDwa(pixt10, pixt10, WIDTH, HEIGHT); /* in-place */
pixEqual(pixref, pixt10, &same);
if (!same) {
fprintf(stderr, "pixref != pixt10 !\n"); ok = FALSE;
}
pixt11 = pixCreateTemplate(pixs);
pixErodeCompBrickDwa(pixt11, pixs, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt11, &same);
if (!same) {
fprintf(stderr, "pixref != pixt11 !\n"); ok = FALSE;
}
#if 0
pixWrite("junkref", pixref, IFF_PNG);
pixWrite("junk11", pixt11, IFF_PNG);
pixt12 = pixXor(NULL, pixref, pixt11);
pixWrite("junk12", pixt12, IFF_PNG);
pixDestroy(&pixt12);
#endif
sprintf(sequence, "e%d.%d", WIDTH, HEIGHT);
pixt12 = pixMorphCompSequence(pixs, sequence, 0); /* comp sequence */
pixEqual(pixref, pixt12, &same);
if (!same) {
fprintf(stderr, "pixref != pixt12!\n"); ok = FALSE;
}
pixt13 = pixMorphSequenceDwa(pixs, sequence, 0); /* dwa sequence */
pixEqual(pixref, pixt13, &same);
if (!same) {
fprintf(stderr, "pixref != pixt13!\n"); ok = FALSE;
}
pixDestroy(&pixref);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixDestroy(&pixt4);
pixDestroy(&pixt5);
pixDestroy(&pixt6);
pixDestroy(&pixt7);
pixDestroy(&pixt8);
pixDestroy(&pixt9);
pixDestroy(&pixt10);
pixDestroy(&pixt11);
pixDestroy(&pixt12);
pixDestroy(&pixt13);
/* Opening */
fprintf(stderr, "Testing opening\n");
pixref = pixOpen(NULL, pixs, sel); /* new one */
pixt1 = pixCreateTemplate(pixs);
pixOpen(pixt1, pixs, sel); /* existing one */
pixEqual(pixref, pixt1, &same);
if (!same) {
fprintf(stderr, "pixref != pixt1 !\n"); ok = FALSE;
}
pixt2 = pixCopy(NULL, pixs);
pixOpen(pixt2, pixt2, sel); /* in-place */
pixEqual(pixref, pixt2, &same);
if (!same) {
fprintf(stderr, "pixref != pixt2 !\n"); ok = FALSE;
}
sprintf(sequence, "o%d.%d", WIDTH, HEIGHT);
pixt3 = pixMorphSequence(pixs, sequence, 0); /* sequence, atomic */
pixEqual(pixref, pixt3, &same);
if (!same) {
fprintf(stderr, "pixref != pixt3 !\n"); ok = FALSE;
}
sprintf(sequence, "e%d.%d + d%d.%d", WIDTH, HEIGHT, WIDTH, HEIGHT);
pixt4 = pixMorphSequence(pixs, sequence, 0); /* sequence, separable */
pixEqual(pixref, pixt4, &same);
if (!same) {
fprintf(stderr, "pixref != pixt4 !\n"); ok = FALSE;
}
sprintf(sequence, "e%d.1 + e1.%d + d%d.1 + d1.%d", WIDTH, HEIGHT,
WIDTH, HEIGHT);
pixt5 = pixMorphSequence(pixs, sequence, 0); /* sequence, separable^2 */
pixEqual(pixref, pixt5, &same);
if (!same) {
fprintf(stderr, "pixref != pixt5 !\n"); ok = FALSE;
}
pixt6 = pixOpenBrick(NULL, pixs, WIDTH, HEIGHT); /* new one */
pixEqual(pixref, pixt6, &same);
if (!same) {
fprintf(stderr, "pixref != pixt6 !\n"); ok = FALSE;
}
pixt7 = pixCreateTemplate(pixs);
pixOpenBrick(pixt7, pixs, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt7, &same);
if (!same) {
fprintf(stderr, "pixref != pixt7 !\n"); ok = FALSE;
}
pixt8 = pixCopy(NULL, pixs); /* in-place */
pixOpenBrick(pixt8, pixt8, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt8, &same);
if (!same) {
fprintf(stderr, "pixref != pixt8 !\n"); ok = FALSE;
}
pixt9 = pixOpenBrickDwa(NULL, pixs, WIDTH, HEIGHT); /* new one */
pixEqual(pixref, pixt9, &same);
if (!same) {
fprintf(stderr, "pixref != pixt9 !\n"); ok = FALSE;
}
pixt10 = pixCreateTemplate(pixs);
pixOpenBrickDwa(pixt10, pixs, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt10, &same);
if (!same) {
fprintf(stderr, "pixref != pixt10 !\n"); ok = FALSE;
}
pixt11 = pixCopy(NULL, pixs);
pixOpenBrickDwa(pixt11, pixt11, WIDTH, HEIGHT); /* in-place */
pixEqual(pixref, pixt11, &same);
if (!same) {
fprintf(stderr, "pixref != pixt11 !\n"); ok = FALSE;
}
sprintf(sequence, "o%d.%d", WIDTH, HEIGHT);
pixt12 = pixMorphCompSequence(pixs, sequence, 0); /* comp sequence */
pixEqual(pixref, pixt12, &same);
if (!same) {
fprintf(stderr, "pixref != pixt12!\n"); ok = FALSE;
}
pixt13 = pixMorphSequenceDwa(pixs, sequence, 0); /* dwa sequence */
pixEqual(pixref, pixt13, &same);
if (!same) {
fprintf(stderr, "pixref != pixt13!\n"); ok = FALSE;
}
pixt14 = pixCreateTemplate(pixs);
pixOpenCompBrickDwa(pixt14, pixs, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt14, &same);
if (!same) {
fprintf(stderr, "pixref != pixt14 !\n"); ok = FALSE;
}
pixDestroy(&pixref);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixDestroy(&pixt4);
pixDestroy(&pixt5);
pixDestroy(&pixt6);
pixDestroy(&pixt7);
pixDestroy(&pixt8);
pixDestroy(&pixt9);
pixDestroy(&pixt10);
pixDestroy(&pixt11);
pixDestroy(&pixt12);
pixDestroy(&pixt13);
pixDestroy(&pixt14);
/* Closing */
fprintf(stderr, "Testing closing\n");
pixref = pixClose(NULL, pixs, sel); /* new one */
pixt1 = pixCreateTemplate(pixs);
pixClose(pixt1, pixs, sel); /* existing one */
pixEqual(pixref, pixt1, &same);
if (!same) {
fprintf(stderr, "pixref != pixt1 !\n"); ok = FALSE;
}
pixt2 = pixCopy(NULL, pixs);
pixClose(pixt2, pixt2, sel); /* in-place */
pixEqual(pixref, pixt2, &same);
if (!same) {
fprintf(stderr, "pixref != pixt2 !\n"); ok = FALSE;
}
sprintf(sequence, "d%d.%d + e%d.%d", WIDTH, HEIGHT, WIDTH, HEIGHT);
pixt3 = pixMorphSequence(pixs, sequence, 0); /* sequence, separable */
pixEqual(pixref, pixt3, &same);
if (!same) {
fprintf(stderr, "pixref != pixt3 !\n"); ok = FALSE;
}
sprintf(sequence, "d%d.1 + d1.%d + e%d.1 + e1.%d", WIDTH, HEIGHT,
WIDTH, HEIGHT);
pixt4 = pixMorphSequence(pixs, sequence, 0); /* sequence, separable^2 */
pixEqual(pixref, pixt4, &same);
if (!same) {
fprintf(stderr, "pixref != pixt4 !\n"); ok = FALSE;
}
pixt5 = pixCloseBrick(NULL, pixs, WIDTH, HEIGHT); /* new one */
pixEqual(pixref, pixt5, &same);
if (!same) {
fprintf(stderr, "pixref != pixt5 !\n"); ok = FALSE;
}
pixt6 = pixCreateTemplate(pixs);
pixCloseBrick(pixt6, pixs, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt6, &same);
if (!same) {
fprintf(stderr, "pixref != pixt6 !\n"); ok = FALSE;
}
pixt7 = pixCopy(NULL, pixs); /* in-place */
pixCloseBrick(pixt7, pixt7, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt7, &same);
if (!same) {
fprintf(stderr, "pixref != pixt7 !\n"); ok = FALSE;
}
pixDestroy(&pixref);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixDestroy(&pixt4);
pixDestroy(&pixt5);
pixDestroy(&pixt6);
pixDestroy(&pixt7);
/* Safe closing (using pix, not pixs) */
fprintf(stderr, "Testing safe closing\n");
pixref = pixCloseSafe(NULL, pixs, sel); /* new one */
pixt1 = pixCreateTemplate(pixs);
pixCloseSafe(pixt1, pixs, sel); /* existing one */
pixEqual(pixref, pixt1, &same);
if (!same) {
fprintf(stderr, "pixref != pixt1 !\n"); ok = FALSE;
}
pixt2 = pixCopy(NULL, pixs);
pixCloseSafe(pixt2, pixt2, sel); /* in-place */
pixEqual(pixref, pixt2, &same);
if (!same) {
fprintf(stderr, "pixref != pixt2 !\n"); ok = FALSE;
}
sprintf(sequence, "c%d.%d", WIDTH, HEIGHT);
pixt3 = pixMorphSequence(pixs, sequence, 0); /* sequence, atomic */
pixEqual(pixref, pixt3, &same);
if (!same) {
fprintf(stderr, "pixref != pixt3 !\n"); ok = FALSE;
}
sprintf(sequence, "b32 + d%d.%d + e%d.%d", WIDTH, HEIGHT, WIDTH, HEIGHT);
pixt4 = pixMorphSequence(pixs, sequence, 0); /* sequence, separable */
pixEqual(pixref, pixt4, &same);
if (!same) {
fprintf(stderr, "pixref != pixt4 !\n"); ok = FALSE;
}
sprintf(sequence, "b32 + d%d.1 + d1.%d + e%d.1 + e1.%d", WIDTH, HEIGHT,
WIDTH, HEIGHT);
pixt5 = pixMorphSequence(pixs, sequence, 0); /* sequence, separable^2 */
pixEqual(pixref, pixt5, &same);
if (!same) {
fprintf(stderr, "pixref != pixt5 !\n"); ok = FALSE;
}
pixt6 = pixCloseSafeBrick(NULL, pixs, WIDTH, HEIGHT); /* new one */
pixEqual(pixref, pixt6, &same);
if (!same) {
fprintf(stderr, "pixref != pixt6 !\n"); ok = FALSE;
}
pixt7 = pixCreateTemplate(pixs);
pixCloseSafeBrick(pixt7, pixs, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt7, &same);
if (!same) {
fprintf(stderr, "pixref != pixt7 !\n"); ok = FALSE;
}
pixt8 = pixCopy(NULL, pixs); /* in-place */
pixCloseSafeBrick(pixt8, pixt8, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt8, &same);
if (!same) {
fprintf(stderr, "pixref != pixt8 !\n"); ok = FALSE;
}
pixt9 = pixCloseBrickDwa(NULL, pixs, WIDTH, HEIGHT); /* new one */
pixEqual(pixref, pixt9, &same);
if (!same) {
fprintf(stderr, "pixref != pixt9 !\n"); ok = FALSE;
}
pixt10 = pixCreateTemplate(pixs);
pixCloseBrickDwa(pixt10, pixs, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt10, &same);
if (!same) {
fprintf(stderr, "pixref != pixt10 !\n"); ok = FALSE;
}
pixt11 = pixCopy(NULL, pixs);
pixCloseBrickDwa(pixt11, pixt11, WIDTH, HEIGHT); /* in-place */
pixEqual(pixref, pixt11, &same);
if (!same) {
fprintf(stderr, "pixref != pixt11 !\n"); ok = FALSE;
}
sprintf(sequence, "c%d.%d", WIDTH, HEIGHT);
pixt12 = pixMorphCompSequence(pixs, sequence, 0); /* comp sequence */
pixEqual(pixref, pixt12, &same);
if (!same) {
fprintf(stderr, "pixref != pixt12!\n"); ok = FALSE;
}
pixt13 = pixMorphSequenceDwa(pixs, sequence, 0); /* dwa sequence */
pixEqual(pixref, pixt13, &same);
if (!same) {
fprintf(stderr, "pixref != pixt13!\n"); ok = FALSE;
}
pixt14 = pixCreateTemplate(pixs);
pixCloseCompBrickDwa(pixt14, pixs, WIDTH, HEIGHT); /* existing one */
pixEqual(pixref, pixt14, &same);
if (!same) {
fprintf(stderr, "pixref != pixt14 !\n"); ok = FALSE;
}
pixDestroy(&pixref);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixDestroy(&pixt4);
pixDestroy(&pixt5);
pixDestroy(&pixt6);
pixDestroy(&pixt7);
pixDestroy(&pixt8);
pixDestroy(&pixt9);
pixDestroy(&pixt10);
pixDestroy(&pixt11);
pixDestroy(&pixt12);
pixDestroy(&pixt13);
pixDestroy(&pixt14);
if (ok)
fprintf(stderr, "All morph tests OK!\n");
pixDestroy(&pixs);
selDestroy(&sel);
exit(0);
}
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