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Olena
User documentation 2.1
An Image Processing Platform
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pbm_lines_recognition.cc
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// Copyright (C) 2010, 2013 EPITA Research and Development Laboratory (LRDE)
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//
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// This file is part of Olena.
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//
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// Olena is free software: you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation, version 2 of the License.
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//
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// Olena is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Olena. If not, see <http://www.gnu.org/licenses/>.
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//
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// As a special exception, you may use this file as part of a free
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// software project without restriction. Specifically, if other files
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// instantiate templates or use macros or inline functions from this
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// file, or you compile this file and link it with other files to produce
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// an executable, this file does not by itself cause the resulting
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// executable to be covered by the GNU General Public License. This
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// exception does not however invalidate any other reasons why the
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// executable file might be covered by the GNU General Public License.
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#include <iostream>
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#include <mln/core/image/image2d.hh>
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#include <mln/io/pbm/load.hh>
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#include <mln/value/int_u16.hh>
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#include <scribo/text/recognition.hh>
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#include <scribo/debug/usage.hh>
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#include <scribo/core/component_set.hh>
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#include <scribo/core/object_links.hh>
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#include <scribo/core/object_groups.hh>
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#include <scribo/text/merging.hh>
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#include <scribo/primitive/extract/components.hh>
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#include <scribo/primitive/link/with_single_left_link_dmax_ratio.hh>
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#include <scribo/primitive/group/from_single_link.hh>
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#include <scribo/io/text_boxes/save.hh>
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const
char
*args_desc[][2] =
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{
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{
"input.pbm"
,
"A binary image. 'True' for objects, 'False'\
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for the background."
},
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{
"lang"
,
"Must be set to \"eng\", \"fra\", \"deu\", \"spa\", \"ita\" (Default \"fra\")"
},
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{0, 0}
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};
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int
main(
int
argc,
char
* argv[])
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{
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using namespace
scribo;
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using namespace
mln;
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if
(argc != 2 && argc != 3 && argc != 4)
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return
scribo::debug::usage
(argv,
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"Text recognition"
,
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"input.pbm [lang] [file]"
,
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args_desc);
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mln_trace(
"main"
);
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image2d<bool>
input;
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mln::io::pbm::load
(input, argv[1]);
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typedef
image2d<value::int_u16>
L;
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value::int_u16 ncomps;
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component_set<L>
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comps =
scribo::primitive::extract::components
(input,
c8
(), ncomps);
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std::cout <<
"ncomps = "
<< ncomps << std::endl;
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object_links<L>
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links =
scribo::primitive::link::with_single_left_link_dmax_ratio
(comps, 2);
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object_groups<L>
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groups =
scribo::primitive::group::from_single_link
(links);
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line_set<L>
lines(groups);
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lines =
text::merging
(lines);
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std::string str = argv[2];
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const
char
*lang;
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if
(argc < 3 || (str !=
"eng"
&& str !=
"fra"
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&& str !=
"deu"
&& str !=
"spa"
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&& str !=
"ita"
))
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lang =
"fra"
;
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else
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lang = argv[2];
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char
*output = 0;
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if
(argc >= 4)
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output = argv[3];
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scribo::text::recognition
(lines, lang);
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scribo::io::text_boxes::save
(lines, output);
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}
scribo
src
text
pbm_lines_recognition.cc
Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE)