third-party/leptonica/prog/bilateral2_reg.c
/*====================================================================*
- Copyright (C) 2001 Leptonica. All rights reserved.
-
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- 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
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*====================================================================*/
/*
* bilateral2_reg.c
*
* Regression test for bilateral (nonlinear) filtering.
*
* Separable operation with intermediate images at 4x reduction.
* This speeds the filtering up by about 30x compared to
* separable operation with full resolution intermediate images.
* Using 4x reduction on intermediates, this runs at about
* 3 MPix/sec, with very good quality.
*/
#include "allheaders.h"
static void DoTestsOnImage(PIX *pixs, L_REGPARAMS *rp);
static const l_int32 ncomps = 10;
int main(int argc,
char **argv)
{
PIX *pixs;
L_REGPARAMS *rp;
if (regTestSetup(argc, argv, &rp))
return 1;
pixs = pixRead("test24.jpg");
DoTestsOnImage(pixs, rp); /* 0 - 7 */
pixDestroy(&pixs);
return regTestCleanup(rp);
}
static void
DoTestsOnImage(PIX *pixs,
L_REGPARAMS *rp)
{
PIX *pix, *pixd;
PIXA *pixa;
pixa = pixaCreate(0);
pix = pixBilateral(pixs, 5.0, 10.0, ncomps, 4); /* 0 */
regTestWritePixAndCheck(rp, pix, IFF_JFIF_JPEG);
pixaAddPix(pixa, pix, L_INSERT);
pix = pixBilateral(pixs, 5.0, 20.0, ncomps, 4); /* 1 */
regTestWritePixAndCheck(rp, pix, IFF_JFIF_JPEG);
pixaAddPix(pixa, pix, L_INSERT);
pix = pixBilateral(pixs, 5.0, 40.0, ncomps, 4); /* 2 */
regTestWritePixAndCheck(rp, pix, IFF_JFIF_JPEG);
pixaAddPix(pixa, pix, L_INSERT);
pix = pixBilateral(pixs, 5.0, 60.0, ncomps, 4); /* 3 */
regTestWritePixAndCheck(rp, pix, IFF_JFIF_JPEG);
pixaAddPix(pixa, pix, L_INSERT);
pix = pixBilateral(pixs, 10.0, 10.0, ncomps, 4); /* 4 */
regTestWritePixAndCheck(rp, pix, IFF_JFIF_JPEG);
pixaAddPix(pixa, pix, L_INSERT);
pix = pixBilateral(pixs, 10.0, 20.0, ncomps, 4); /* 5 */
regTestWritePixAndCheck(rp, pix, IFF_JFIF_JPEG);
pixaAddPix(pixa, pix, L_INSERT);
pix = pixBilateral(pixs, 10.0, 40.0, ncomps, 4); /* 6 */
regTestWritePixAndCheck(rp, pix, IFF_JFIF_JPEG);
pixaAddPix(pixa, pix, L_INSERT);
pix = pixBilateral(pixs, 10.0, 60.0, ncomps, 4); /* 7 */
regTestWritePixAndCheck(rp, pix, IFF_JFIF_JPEG);
pixaAddPix(pixa, pix, L_INSERT);
pixd = pixaDisplayTiledInRows(pixa, 32, 2500, 1.0, 0, 30, 2);
pixDisplayWithTitle(pixd, 100, 100, NULL, rp->display);
pixDestroy(&pixd);
pixaDestroy(&pixa);
return;
}