]>
iEval git - image-openalpr.git/blob - PlateResult.pm
6cf165100ce2cfa0f582f2c7471123ee65d501b1
1 package Image
:: OpenALPR
:: PlateResult
;
7 use parent qw
/Class::Accessor::Fast/ ;
9 our $VERSION = '0.001' ;
11 __PACKAGE__
-> mk_ro_accessors ( qw
/plate confidence matches_template/ );
14 my $coords = shift ->{ coordinates
};
15 return unless $coords ;
16 my @result = map { [ $_ ->{ x
}, $_ ->{ y
}] } @
$coords ;
17 wantarray ?
@result : \
@result
21 my $cands = shift ->{ candidates
};
23 my @result = map { __PACKAGE__
-> new ( $_ ) } @
$cands ;
24 wantarray ?
@result : \
@result
34 Image::OpenALPR::PlateResult - a license plate, as identified by OpenALPR
38 my $plate = $alpr->recognise('t/example.jpg');
39 say $plate->plate; # ZP36709
40 say $plate->confidence; # 92.373634
41 my @coords = $plate->coordinates; # [306, 351], [476, 351], [476, 384], [306, 384]
42 my @candidates = $plate->candidates;
43 say $candidates[1]->plate; # ZP367O9
44 say $candidates[1]->confidence; # 89.812302
48 Image::OpenALPR::PlateResult is a class representing a plate identified by OpenALPR. It offers the following methods:
54 The plate number that has the highest confidence value (likelihood of being correct).
58 The confidence value of the plate number returned by B<plate>.
60 =item B<matches_template>
62 True if the plate matches the plate pattern chosen via the B<set_default_region> in L<Image::OpenALPR>, false otherwise (or if no region was chosen).
65 In list context, returns a four element list representing the vertices of the license plate, numbered clock-wise from top-left. Each element is an arrayref with two elements: the X coordinate followed by the Y coordinate.
67 In scalar context, returns an arrayref to an array containing the list described above.
72 In list context, returns a list of candidate license numbers, in decreasing order of confidence. The first element coincides with the plate/confidence pair returned by the B<plate> and B<confidence> methods. Each element is a partial Image::OpenALPR::PlateResult object -- only the B<plate>, B<confidence> and B<matches_template> methods will return a meaningful value.
78 Marius Gavrilescu, E<lt>marius@ieval.roE<gt>
80 =head1 COPYRIGHT AND LICENSE
82 Copyright (C) 2016 by Marius Gavrilescu
84 This file is part of Image-OpenALPR.
86 Image-OpenALPR is free software: you can redistribute it and/or modify
87 it under the terms of the GNU Affero General Public License as published by
88 the Free Software Foundation, either version 3 of the License, or
89 (at your option) any later version.
91 Image-OpenALPR is distributed in the hope that it will be useful,
92 but WITHOUT ANY WARRANTY; without even the implied warranty of
93 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
94 GNU Affero General Public License for more details.
96 You should have received a copy of the GNU Affero General Public License
97 along with Image-OpenALPR. If not, see <http://www.gnu.org/licenses/>
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