[a5a76e]: src / hugin1 / tests / old / imageproc.cpp Maximize Restore History

Download this file

imageproc.cpp    127 lines (108 with data), 4.2 kB

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
// -*- c-basic-offset: 4 -*-
/** @file imageproc.cpp
*
* @brief implementation of imageproc Class
*
* @author Pablo d'Angelo <pablo.dangelo@web.de>
*
* $Id: imageproc.cpp 1810 2006-12-30 22:22:09Z dangelo $
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <config.h>
#include <boost/test/unit_test.hpp>
#include <boost/test/floating_point_comparison.hpp>
#include "panoinc.h"
#include "hugin/ImageCache.h"
#include "hugin/ImageProcessing.h"
using namespace boost::unit_test_framework;
using namespace vigra;
void image_proc_test()
{
wxImage ws("subject.png");
BImage subject(ws.GetWidth(), ws.GetHeight());
vigra::copyImage(srcImageRange(wxVigraImage(ws),
RGBToGrayAccessor<RGBValue<unsigned char> >()),
destImage(subject));
BOOST_CHECK(subject.size() == Diff2D(236,177));
Diff2D point(91,46);
Diff2D templWidth(11,11);
Diff2D templSize(templWidth.x * 2 + 1, templWidth.y * 2 + 1);
BImage templ(templSize);
copyImage(subject.upperLeft() + point - templWidth,
subject.upperLeft() + point + templWidth + Diff2D(1,1),
subject.accessor(),
templ.upperLeft(),
templ.accessor());
FImage result(ws.GetWidth(), ws.GetHeight(), 1.0);
CorrelationResult res;
res = correlateImage(subject.upperLeft(),
subject.lowerRight(),
subject.accessor(),
result.upperLeft(),
result.accessor(),
templ.upperLeft() + templWidth,
templ.accessor(),
-templWidth,
templWidth);
BOOST_CHECK(res.pos == point);
BOOST_CHECK_CLOSE(res.maxi,1.0,1e-3);
saveScaledImage(result,"result_corr.png", -1, 1) ;
BOOST_CHECK_CLOSE(res.maxi, (double)result[point], 1e-6);
/*
// check subpixel correlation
spres = correlateSubPixImage(subjImg.upperLeft(),
subjImg.upperLeft() + searchLR,
subjImg.accessor(),
tmplImg.upperLeft() + res.pos,
tmplImg.accessor(),
tmplUL, tmplLR,
5);
*/
// save & load the template image..
saveImage(templ,"template.png");
wxImage tt("template.png");
BOOST_ASSERT(tt.GetWidth() == templSize.x);
BOOST_ASSERT(tt.GetHeight() == templSize.y);
vigra::copyImage(srcImageRange(wxVigraImage(tt),
RGBToGrayAccessor<RGBValue<unsigned char> >()),
destImage(templ));
result.init(1);
res.maxi = -1;
res = correlateImage(subject.upperLeft(),
subject.lowerRight(),
subject.accessor(),
result.upperLeft(),
result.accessor(),
templ.upperLeft(),
templ.accessor(),
vigra::Diff2D(0,0),
templ.size() - Diff2D(1,1)
);
BOOST_CHECK(res.pos == point);
BOOST_CHECK_CLOSE(res.maxi,1.0,1e-3);
std::cout << "result difference: " << 1.0 - res.maxi << std::endl;
saveScaledImage(result, "result_corr_2.png", -2, 1);
BOOST_CHECK_CLOSE(res.maxi, (double)result[point], 1e-6);
}
test_suite*
init_unit_test_suite( int, char** )
{
wxInitAllImageHandlers();
test_suite* test= BOOST_TEST_SUITE( "imageprocessing tests" );
test->add(BOOST_TEST_CASE(&image_proc_test));
return test;
}