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authorThomas Deutschmann <whissi@gentoo.org>2021-03-30 10:59:39 +0200
committerThomas Deutschmann <whissi@gentoo.org>2021-04-01 00:04:14 +0200
commit5ff1d6955496b3cf9a35042c9ac35db43bc336b1 (patch)
tree6d470f7eb448f59f53e8df1010aec9dad8ce1f72 /leptonica/prog/fmorphauto_reg.c
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Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>
Diffstat (limited to 'leptonica/prog/fmorphauto_reg.c')
-rw-r--r--leptonica/prog/fmorphauto_reg.c163
1 files changed, 163 insertions, 0 deletions
diff --git a/leptonica/prog/fmorphauto_reg.c b/leptonica/prog/fmorphauto_reg.c
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+++ b/leptonica/prog/fmorphauto_reg.c
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+/*====================================================================*
+ - Copyright (C) 2001 Leptonica. All rights reserved.
+ -
+ - Redistribution and use in source and binary forms, with or without
+ - modification, are permitted provided that the following conditions
+ - are met:
+ - 1. Redistributions of source code must retain the above copyright
+ - notice, this list of conditions and the following disclaimer.
+ - 2. Redistributions in binary form must reproduce the above
+ - copyright notice, this list of conditions and the following
+ - disclaimer in the documentation and/or other materials
+ - provided with the distribution.
+ -
+ - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY
+ - CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ - OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *====================================================================*/
+
+/*
+ * fmorphauto_reg.c
+ *
+ * Basic regression test for erosion & dilation: rasterops & dwa.
+ *
+ * Tests erosion and dilation from 58 structuring elements
+ * by comparing the full image rasterop results with the
+ * automatically generated dwa results.
+ *
+ * Results must be identical for all operations.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config_auto.h>
+#endif /* HAVE_CONFIG_H */
+
+#include "allheaders.h"
+
+ /* defined in morph.c */
+LEPT_DLL extern l_int32 MORPH_BC;
+
+
+int main(int argc,
+ char **argv)
+{
+l_int32 i, nsels, same, xorcount;
+char *filein, *selname;
+PIX *pixs, *pixs1, *pixt1, *pixt2, *pixt3, *pixt4;
+SEL *sel;
+SELA *sela;
+static char mainName[] = "fmorphauto_reg";
+
+ if (argc != 2)
+ return ERROR_INT(" Syntax: fmorphauto_reg filein", mainName, 1);
+ filein = argv[1];
+ setLeptDebugOK(1);
+
+ if ((pixs = pixRead(filein)) == NULL)
+ return ERROR_INT("pix not made", mainName, 1);
+
+ sela = selaAddBasic(NULL);
+ nsels = selaGetCount(sela);
+ for (i = 0; i < nsels; i++)
+ {
+ sel = selaGetSel(sela, i);
+ selname = selGetName(sel);
+
+ /* --------- dilation ----------*/
+
+ pixt1 = pixDilate(NULL, pixs, sel);
+
+ pixs1 = pixAddBorder(pixs, 32, 0);
+ pixt2 = pixFMorphopGen_1(NULL, pixs1, L_MORPH_DILATE, selname);
+ pixt3 = pixRemoveBorder(pixt2, 32);
+
+ pixt4 = pixXor(NULL, pixt1, pixt3);
+ pixZero(pixt4, &same);
+
+ if (same == 1) {
+ lept_stderr("dilations are identical for sel %d (%s)\n",
+ i, selname);
+ } else {
+ lept_stderr("dilations differ for sel %d (%s)\n", i, selname);
+ pixCountPixels(pixt4, &xorcount, NULL);
+ lept_stderr("Number of pixels in XOR: %d\n", xorcount);
+ }
+
+ pixDestroy(&pixt1);
+ pixDestroy(&pixt2);
+ pixDestroy(&pixt3);
+ pixDestroy(&pixt4);
+ pixDestroy(&pixs1);
+
+ /* --------- erosion with asymmetric b.c ----------*/
+
+ resetMorphBoundaryCondition(ASYMMETRIC_MORPH_BC);
+ lept_stderr("MORPH_BC = %d ... ", MORPH_BC);
+ pixt1 = pixErode(NULL, pixs, sel);
+
+ if (MORPH_BC == ASYMMETRIC_MORPH_BC)
+ pixs1 = pixAddBorder(pixs, 32, 0); /* OFF border pixels */
+ else
+ pixs1 = pixAddBorder(pixs, 32, 1); /* ON border pixels */
+ pixt2 = pixFMorphopGen_1(NULL, pixs1, L_MORPH_ERODE, selname);
+ pixt3 = pixRemoveBorder(pixt2, 32);
+
+ pixt4 = pixXor(NULL, pixt1, pixt3);
+ pixZero(pixt4, &same);
+
+ if (same == 1) {
+ lept_stderr("erosions are identical for sel %d (%s)\n", i, selname);
+ } else {
+ lept_stderr("erosions differ for sel %d (%s)\n", i, selname);
+ pixCountPixels(pixt4, &xorcount, NULL);
+ lept_stderr("Number of pixels in XOR: %d\n", xorcount);
+ }
+
+ pixDestroy(&pixt1);
+ pixDestroy(&pixt2);
+ pixDestroy(&pixt3);
+ pixDestroy(&pixt4);
+ pixDestroy(&pixs1);
+
+ /* --------- erosion with symmetric b.c ----------*/
+
+ resetMorphBoundaryCondition(SYMMETRIC_MORPH_BC);
+ lept_stderr("MORPH_BC = %d ... ", MORPH_BC);
+ pixt1 = pixErode(NULL, pixs, sel);
+
+ if (MORPH_BC == ASYMMETRIC_MORPH_BC)
+ pixs1 = pixAddBorder(pixs, 32, 0); /* OFF border pixels */
+ else
+ pixs1 = pixAddBorder(pixs, 32, 1); /* ON border pixels */
+ pixt2 = pixFMorphopGen_1(NULL, pixs1, L_MORPH_ERODE, selname);
+ pixt3 = pixRemoveBorder(pixt2, 32);
+
+ pixt4 = pixXor(NULL, pixt1, pixt3);
+ pixZero(pixt4, &same);
+
+ if (same == 1) {
+ lept_stderr("erosions are identical for sel %d (%s)\n", i, selname);
+ } else {
+ lept_stderr("erosions differ for sel %d (%s)\n", i, selname);
+ pixCountPixels(pixt4, &xorcount, NULL);
+ lept_stderr("Number of pixels in XOR: %d\n", xorcount);
+ }
+
+ pixDestroy(&pixt1);
+ pixDestroy(&pixt2);
+ pixDestroy(&pixt3);
+ pixDestroy(&pixt4);
+ pixDestroy(&pixs1);
+ }
+
+ return 0;
+}
+