Milena (Olena)
User documentation 2.0a Id
Main Page
Related Pages
Modules
Namespaces
Classes
All
Classes
Namespaces
Functions
Variables
Typedefs
Enumerator
Groups
Pages
flooding.cc
1
// Copyright (C) 2008, 2009, 2010 EPITA Research and Development
2
// Laboratory (LRDE)
3
//
4
// This file is part of Olena.
5
//
6
// Olena is free software: you can redistribute it and/or modify it under
7
// the terms of the GNU General Public License as published by the Free
8
// Software Foundation, version 2 of the License.
9
//
10
// Olena is distributed in the hope that it will be useful,
11
// but WITHOUT ANY WARRANTY; without even the implied warranty of
12
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13
// General Public License for more details.
14
//
15
// You should have received a copy of the GNU General Public License
16
// along with Olena. If not, see <http://www.gnu.org/licenses/>.
17
//
18
// As a special exception, you may use this file as part of a free
19
// software project without restriction. Specifically, if other files
20
// instantiate templates or use macros or inline functions from this
21
// file, or you compile this file and link it with other files to produce
22
// an executable, this file does not by itself cause the resulting
23
// executable to be covered by the GNU General Public License. This
24
// exception does not however invalidate any other reasons why the
25
// executable file might be covered by the GNU General Public License.
26
27
#include <iostream>
28
29
#include <mln/core/image/image2d.hh>
30
#include <mln/core/alias/window2d.hh>
31
#include <mln/core/alias/neighb2d.hh>
32
33
#include <mln/value/int_u8.hh>
34
#include <mln/value/int_u16.hh>
35
36
#include <mln/morpho/watershed/flooding.hh>
37
#include <mln/data/transform.hh>
38
39
#include <mln/io/pgm/load.hh>
40
#include <mln/io/pgm/save.hh>
41
42
#include <mln/util/timer.hh>
43
44
#include "tests/data.hh"
45
46
struct
f_16_to_8 :
mln::Function_v2v
< f_16_to_8 >
47
{
48
typedef
mln::value::int_u8
result;
49
result operator()(
const
mln::value::int_u16
& v)
const
50
{
51
if
(v == 0)
52
return
0;
53
return
1 + (v - 1) % 255;
54
}
55
};
56
57
58
int
main()
59
{
60
using namespace
mln;
61
using
value::int_u8
;
62
using
value::int_u16
;
63
64
image2d<int_u8>
input;
65
io::pgm::load
(input, MLN_IMG_DIR
"/squares.pgm"
);
66
67
typedef
int_u16
L;
68
L n_basins;
69
{
70
util::timer
t;
71
t.start();
72
image2d<L>
output =
73
morpho::watershed::impl::generic::flooding(input,
c4
(), n_basins);
74
std::cout <<
"gen: "
<< t << std::endl;
75
io::pgm::save
(
data::transform
(output, f_16_to_8()),
76
"flooding-tmp_ref.pgm"
);
77
}
78
{
79
util::timer
t;
80
t.start();
81
image2d<L>
output =
82
morpho::watershed::impl::flooding_fastest(input,
c4
(), n_basins);
83
std::cout <<
"fast: "
<< t << std::endl;
84
io::pgm::save
(
data::transform
(output, f_16_to_8()),
85
"flooding-tmp_out.pgm"
);
86
}
87
}
tests
morpho
watershed
flooding.cc
Generated on Thu Nov 8 2012 10:58:05 for Milena (Olena) by
1.8.2-20120930